Encyclopedia Astronautica
MicroSat-70



micrsstl.jpg
SSTL Microsatellite
Credit: NASA
British technology satellite. 14 launches, 1981.10.06 (Oscar 9) to 2002.11.28 (Picosat). Basic Surrey Microsat bus.

SSTL used the MicroSat-70 platform for missions ranging from 50 to 70 kg total mass. It employed an adaptable, modular design capable of supporting a wide range of missions, with payloads of up to 25 kg.

Mechanically, the MicroSat-70 consisted of a stack of modular trays, containing all avionics and some of the payload electronics. These trays formed the mechanical structure of the spacecraft, providing a very efficient use of the internal volume. Above the main module stack was a payload bay dedicated to the mission payloads.

The MicroSat-70 was compatible with an extremely wide range of launch vehicles, and was successfully launched on Ariane-4, Zenit, Kosmos, Tsyklon, Athena and Dnepr.

Within its efficient, proven mechanical structure, the MicroSat-70 carried a customized complement of avionics selected from SSTL's extensive range of flight-proven systems. Typical avionics configurations featured dual redundancy of all key systems, with options for data storage, data processing and downlinking on various frequencies to meet mission requirements.

The platform could be configured for nadir pointing or inertial pointing missions, using momentum bias, zero bias, or gravity-gradient actuators.

The MicroSat-70 supported earth observation, communications and technology demonstration missions for civil and military use. It was available through the NASA Rapid Spacecraft Development Office catalogue for extremely rapid procurement by U.S. government agencies.

AKA: SSTL-70.
Gross mass: 70 kg (154 lb).
Payload: 25 kg (55 lb).
First Launch: 1990.01.22.
Last Launch: 2001.09.30.
Number: 14 .

More... - Chronology...


Associated Countries
See also
  • Ariane First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...
  • Athena Privately funded family of solid propellant satellite launch vehicles. Originally known as LMLV (Lockheed-Martin Launch Vehicle); LLV (Lockheed Launch Vehicle). Sales did not develop as hoped by the company after the MEO-satellite bubble burst in the 1990's. More...
  • Kosmos 3 In 1961 Isayev and Reshetnev developed the Voskhod space launch system on the basis of the R-14 IRBM. The initial version of the two stage rocket was designated Kosmos-1. The first 'Voskhod' launch complex was at Baikonur, a modification of one of the pads at the R-16 ICBM launch complex 41. More...
  • R-36M The super-heavy Ukrainian R-36M ICBM replaced the R-36 in 288 existing silos and was additionally installed in 20 new super-hardened silos. The fall of the Soviet Union ended production and the need for replacement. Nevertheless they remained in Russian service into the 21st Century, some being modified for use as space launchers. More...
  • Tsiklon The R-36 ICBM was the largest ever built and the bogeyman of the Pentagon throughout the Cold War. Dubbed the 'city buster', the 308 silos built were constantly held up by the US Air Force as an awesome threat that justified a new round of American missile or anti-missile systems. On the other hand, the Americans were never motivated to build and deploy corresponding numbers of their equivalent, the liquid propellant Titan 2. Derivatives of the R-36 included the R-36-O orbital bombing system, the Tsiklon-2 and -3 medium orbital launch vehicles, and the replacement R-36M missiles. With the collapse of the Soviet Union, the design and manufacturing facility ended up in independent Ukraine. Accordingly the missile was finally retired in the 1990's, conveniently in accordance with arms reduction agreements with the Americans. More...
  • Zenit Zenit was to be a modular new generation medium Soviet launch vehicle, replacing the various ICBM-derived launch vehicles in use since the 1960's (Tsiklon and Soyuz). A version of the first stage was used as strap-ons for the cancelled Energia heavy booster. But it was built by Yuzhnoye in the Ukraine; when the Soviet Union broke up planned large-scale production for the Soviet military was abandoned (Angara development was begun as an indigenous alternative). Launch pads were completed only at Baikonur; those at Plesetsk were never finished and are planned to be completed as Angara pads. However the vehicle found new life as a commercial launch vehicle, launched from a sea platform by an American/Ukrainian consortium. More...

Associated Launch Vehicles
  • Kosmos 3 Russian orbital launch vehicle. In 1961 Isayev and Reshetnev developed the Voskhod space launch system on the basis of the R-14 IRBM. The initial version of the two stage rocket was designated Kosmos-1. The first 'Voskhod' launch complex was at Baikonur, a modification of one of the pads at the R-16 ICBM launch complex 41. More...
  • Tsiklon Ukrainian intercontinental ballistic missile. The R-36 ICBM was the largest ever built and the bogeyman of the Pentagon throughout the Cold War. Dubbed the 'city buster', the 308 silos built were constantly held up by the US Air Force as an awesome threat that justified a new round of American missile or anti-missile systems. On the other hand, the Americans were never motivated to build and deploy corresponding numbers of their equivalent, the liquid propellant Titan 2. Derivatives of the R-36 included the R-36-O orbital bombing system, the Tsiklon-2 and -3 medium orbital launch vehicles, and the replacement R-36M missiles. With the collapse of the Soviet Union, the design and manufacturing facility ended up in independent Ukraine. Accordingly the missile was finally retired in the 1990's, conveniently in accordance with arms reduction agreements with the Americans. More...
  • Kosmos 11K65M Russian orbital launch vehicle. Definitive and prolific production version of satellite launcher based on Yangel R-14 IRBM. After further development at NPO Polyot (Omsk, Chief Designer A S Klinishkov), the modified Kosmos-3M added a restartable second stage with an orientation system. This booster was launched form two 'Cusovaya' launch complexes from 1967. The second stage used low thrust rockets using gas generator output to adjust the final velocity of the stage More...
  • R-36M Ukrainian intercontinental ballistic missile. The R-36M replaced the R-36 in 288 existing silos and was additionally installed in 20 new super-hardened silos. More...
  • Tsiklon-3 Ukrainian orbital launch vehicle. The Tsyklon 3 was developed in 1970-1977 as a part of a program to reduce the number of Soviet booster types. The first two stages were derived from the 8K68 version of the R-36 ICBM, while the restartable third stage was derived from that of the R-36-O. Compared to the Tsyklon 2, the launch vehicle increased payload to 4 metric tons, provided for completely automated launch operations, and had increased orbital injection accuracy. More...
  • Ariane French orbital launch vehicle. First successful European commercial launch vehicle, developed from L3S Europa launch vehicle replacement design. Development of the Ariane 1 was authorised in July 1973, took eight years, and cost 2 billion 1986 Euros. More...
  • Zenit Zenit was to be a modular new generation medium Soviet launch vehicle, replacing the various ICBM-derived launch vehicles in use since the 1960's (Tsiklon and Soyuz). A version of the first stage was used as strap-ons for the cancelled Energia heavy booster. But it was built by Yuzhnoye in the Ukraine; when the Soviet Union broke up planned large-scale production for the Soviet military was abandoned (Angara development was begun as an indigenous alternative). Launch pads were completed only at Baikonur; those at Plesetsk were never finished and are planned to be completed as Angara pads. However the vehicle found new life as a commercial launch vehicle, launched from a sea platform by an American/Ukrainian consortium. More...
  • Zenit-2 Ukrainian orbital launch vehicle. Two-stage version that continued to be used for launch of Russian military satellites tailored to it after the fall of the Soviet Union. More...
  • Ariane 40 French orbital launch vehicle. 3 stage core vehicle with original Ariane H10 upper stage. A fully fueled Ariane core cannot lift off the ground without strap-on liquid or solid motors. When Ariane 4 is launched in this configuration, the propellant tanks of the first and second stages are not completely filled. More...
  • Ariane 42P French orbital launch vehicle. Ariane 4 with 2 solid rocket strap-ons. More...
  • Athena-1 American all-solid orbital launch vehicle. Basic version of the Athena with a Castor 120 first stage, Orbus second stage, and OAM Orbital Adjustment Module. More...
  • Athena American orbital launch vehicle. Privately funded family of solid propellant satellite launch vehicles. Originally known as LMLV (Lockheed-Martin Launch Vehicle); LLV (Lockheed Launch Vehicle). Sales did not develop as hoped by the company after the MEO-satellite bubble burst in the 1990's. More...
  • Dnepr Ukrainian orbital launch vehicle based on decommissioned R-36M2 intercontinental ballistic missiles. More...

Associated Manufacturers and Agencies
  • Surrey British manufacturer of spacecraft. Surrey Satellite Technologies Ltd. , Guildford, UK More...

Associated Programs
  • Fasat Test satellite built by Surrey Satellite for the Chilean Air Force. More...
  • Oscar Amateur radio satellite network. For over a third of a century a series of OSCAR satellites have been launched in a variety of configurations and by many nations. More...
  • TMSAT Uosat Microbus-class payload built by Surrey Satellite for the Thai Microsatellite Company of Bangkok. Conducted a dual Earth observation and data communications mission. More...

Bibliography
  • McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: here.
  • JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Web Address when accessed: here.
  • McDowell, Jonathan, Launch Log, October 1998. Web Address when accessed: here.
  • National Space Science Center Planetary Page, As of 19 February 1999.. Web Address when accessed: here.
  • NASA/GSFC Orbital Information Group Website, Web Address when accessed: here.
  • Space-Launcher.com, Orbital Report News Agency. Web Address when accessed: here.

Associated Launch Sites
  • Baikonur Russia's largest cosmodrome, the only one used for manned launches and with facilities for the larger Proton, N1, and Energia launch vehicles. The spaceport ended up on foreign soil after the break-up of Soviet Union. The official designations NIIP-5 and GIK-5 are used in official Soviet histories. It was also universally referred to as Tyuratam by both Soviet military staff and engineers, and the US intelligence agencies. Since the dissolution of the Soviet Union the Russian Federation has insisted on continued use of the old Soviet 'public' name of Baikonur. In its Kazakh (Kazak) version this is rendered Baykonur. More...
  • Plesetsk Plesetsk was the Soviet Union's northern cosmodrome, used for polar orbit launches of mainly military satellites, and was at one time the busiest launch centre in the world. The collapse of the Soviet Union put the main launch site of Baikonur in Kazakh territory. It now seems that once the Proton rocket is retired, Baikonur will be abandoned and Plesetsk will be Russia's primary launch centre. Upgrades to existing launch facilities will allow advanced versions of the Soyuz rocket and the new Angara launch vehicle to be launched from Plesetsk. Plesetsk's major drawback was the lower net payload in geosynchronous orbit from a northern latitude launch site. However Russia is planning to remove the disadvantage by looping geosynchronous satellites around the moon, using lunar gravity to make the necessary orbital plane change. More...
  • Kourou After the agreement with newly independent Algeria for France to evacuate their launch sites in that country, a location near Biscarosse was selected for French missile testing. However since only launches westwards across the Bay of Biscay could be made from this site, it was unsuitable for France's Diamant orbital launch vehicle. After reviewing 14 potential sites, a location in the South American French colony of Guiana was selected. This would allow over-water launches to a tremendous range of possible orbital inclinations -- from -100.5 deg to 1.5 deg. Being near the equator, it would provide the maximum assist from the earth's rotation for launches into equatorial orbits. The decision was formalized in April 1964 and in July 1966 ELDO chose the site for future launches of the Europa II launch vehicle. More...
  • Kodiak In January 1998, the Alaska Aerospace Development Corporation began building a commercial spaceport at Narrow Cape on Kodiak Island, about 400 km south of Anchorage and 40 km southwest of the City of Kodiak. Kodiak Island was advertised as one of the best locations in the world for polar launch operations, providing a wide launch azimuth and unobstructed downrange flight path. More...

MicroSat-70 Chronology


1990 January 22 - . 01:35 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 40. LV Configuration: Ariane 40 V35.
  • Oscar 15 - . Payload: UoSAT 4. Mass: 48 kg (105 lb). Nation: UK. Agency: Surrey. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 20438 . COSPAR: 1990-005C. Apogee: 798 km (495 mi). Perigee: 784 km (487 mi). Inclination: 98.6000 deg. Period: 100.70 min. Technology demonstration mission carrying transponder, solar cell, CCD camera technology experiments. Customer: University of Surrey/European Space Agency. Launched alongside UoSAT-3, the microsatellite operated perfectly for 2 days before a failure occured in the downlink. Owner/operator University of Surrey, Dept of Electronic and Electrical Engineering, Guildford, Surrey GU2 5XH. Box shaped 350 x 350 x 650 mm. Four solar panels and 6 m gravity gradient boom.

1991 July 17 - . 01:46 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 40. LV Configuration: Ariane 40 V44.
  • Oscar 22 - . Payload: UoSAT 5. Mass: 50 kg (110 lb). Nation: UK. Agency: TUB. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 21575 . COSPAR: 1991-050B. Apogee: 772 km (479 mi). Perigee: 759 km (471 mi). Inclination: 98.5000 deg. Period: 100.20 min. Summary: Customer: SateLife. Carried store and forward communications and Earth observation payloads, replacing those lost on UoSAT-4. Still operational in 2000..

1992 August 10 - . 23:08 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 42P. LV Configuration: Ariane 42P V52.
  • Oscar 23 - . Payload: Kitsat-A. Mass: 50 kg (110 lb). Nation: Korea South. Agency: KAIST. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 22077 . COSPAR: 1992-052B. Apogee: 1,322 km (821 mi). Perigee: 1,310 km (810 mi). Inclination: 66.1000 deg. Period: 111.90 min. Summary: Korean's first satellite achieved via a technology transfer programme with Surrey Satellite Technology Ltd. Carried store and forward communications, DSP and Earth observation payloads. Still operational in 2000..
  • S80/T - . Mass: 50 kg (110 lb). Nation: France. Agency: CNES. Manufacturer: Surrey. Class: Communications. Type: Civilian communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 22078 . COSPAR: 1992-052C. Apogee: 1,322 km (821 mi). Perigee: 1,308 km (812 mi). Inclination: 66.1000 deg. Period: 111.90 min. An industrial research microsatellite built by Surrey Satellite Technology Ltd (SSTL) for Matra and CNES to carry out 'Little LEO' communications service experiments. Still operational in 2000. S80/T was designed to investigate the technical feasibility of using a constellation of small satellites placed in near-Earth orbit to provide global communications and position location using only hand-held terminals. S80/T was the first fully commercial application of the SSTL multi-mission, modular microsatellite platform developed at the University of Surrey. The same basic platform was also used for the Korean KITSAT-A microsatellite, which accompanied S80/T into orbit on the same launch. The S80/T mission was completed, from concept to launch, within one year and SSTL delivered the platform, associated groundstation equipment and would be providing operations support during the mission within a contract of less than 1M.

1993 September 26 - . 01:45 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 40. LV Configuration: Ariane 40 V59.
  • Healthsat 2 - . Mass: 48 kg (105 lb). Nation: USA. Agency: Satelife. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 22827 . COSPAR: 1993-061E. Apogee: 803 km (498 mi). Perigee: 789 km (490 mi). Inclination: 98.7000 deg. Period: 100.80 min. Customer: SateLife. Store and forward communications satellite operating in the SatelLife 'HealthNet' LEO satellite communications network for remote regions. Still operational as of 2000.

    Healthsat - II joined UoSAT-3/HealthSat-I as the second microsatellite in the HealthNet global communications system of SatelLife, a U.S. not-for-profit organisation. HealthNet, which was licensed in eighteen countries in Africa and Latin America, was providing desperately needed low cost 'last mile' communication links between medical institutions and health programmes in the developing world.

    The HealthSat-II mission was completed, from concept to launch, within one year. SSTL were responsible for all the programmatic aspects of the mission including procuring the launch slot on the Ariane ASAP and arranging suitable insurance for the launch and early commissioning phase - all within a total contract price of 1M. Additional Details: here....

  • Posat 1 - . Payload: Oscar 28. Mass: 50 kg (110 lb). Nation: Portugal. Agency: INETI. Manufacturer: Surrey. Program: Oscar. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 22826 . COSPAR: 1993-061D. Apogee: 801 km (497 mi). Perigee: 789 km (490 mi). Inclination: 98.3000 deg. Period: 100.80 min. Summary: Portugal's first satellite achieved through a technology transfer programme with Surrey Satellite Technology Ltd. Carried store and forward, DSP communications, GPS and Earth observation payloads. Still operational in 2000.. Additional Details: here....

1995 July 7 - . 16:23 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 40. LV Configuration: Ariane 40 V75.
  • CERISE - . Mass: 50 kg (110 lb). Nation: France. Agency: CNES; DGA. Manufacturer: Surrey. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 23606 . COSPAR: 1995-033B. Apogee: 675 km (419 mi). Perigee: 666 km (413 mi). Inclination: 98.1000 deg. Period: 98.10 min. Caracterisation de l'Environnement Radioelectrique par un Instrument Spatiale Embarque; examined Earth RF environment. Customer: Alcatel Espace/DME. French government research payload incorporated into an advance microsatellite platform. Still operational as of 2000.

1995 August 31 - . 06:49 GMT - . Launch Site: Plesetsk. LV Family: Tsiklon. Launch Vehicle: Tsiklon-3. LV Configuration: Tsiklon-3 801.
  • Fasat-Alfa - . Mass: 50 kg (110 lb). Nation: Chile. Agency: VKS. Manufacturer: Surrey. Program: Fasat. Spacecraft: MicroSat-70. USAF Sat Cat: 23657 . COSPAR: 1995-046xx. Apogee: 639 km (397 mi). Perigee: 605 km (375 mi). Inclination: 82.5000 deg. Period: 97.20 min. Summary: Chile's first satellite built through a technology transfer programme with Surrey Satellite Technology Ltd. Carried store and forward and Earth observation payloads. Decommissioned as of 2000..

1998 July 10 - . 06:30 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC45/1. LV Family: Zenit. Launch Vehicle: Zenit-2.
  • Fasat-Bravo - . Mass: 50 kg (110 lb). Nation: Chile. Agency: FACh. Manufacturer: Surrey. Program: Fasat. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 25395 . COSPAR: 1998-043B. Apogee: 820 km (500 mi). Perigee: 815 km (506 mi). Inclination: 98.8000 deg. Period: 101.30 min. Summary: Customer: Chilean Air Force (FACH). Chile's second satellite carrying store and forward and Earth observation payloads, replacing those lost on FASat-Alpha. Still operational as of 2000.. Additional Details: here....
  • TMSAT - . Payload: Thai-Paht. Mass: 50 kg (110 lb). Nation: Thailand. Agency: FACh. Manufacturer: Surrey. Program: TMSAT. Class: Communications. Type: Amateur radio communications satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 25396 . COSPAR: 1998-043C. Apogee: 819 km (508 mi). Perigee: 816 km (507 mi). Inclination: 98.8000 deg. Period: 101.20 min. Customer: Thailand (Thai Microsatellite Company and MUT). Thailand's first microsatellite built through a technology transfer programme with Surrey Satellite Technology Ltd. Carried store and forward and Earth observation payloads. Still operational as of 2000. Additional Details: here....

1999 December 3 - . 16:22 GMT - . Launch Site: Kourou. Launch Complex: Kourou ELA2. LV Family: Ariane. Launch Vehicle: Ariane 40. LV Configuration: Ariane 40 V124.
  • Clementine - . Mass: 50 kg (110 lb). Nation: France. Agency: CNES; DGA. Manufacturer: Surrey. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 25978 . COSPAR: 1999-064B. Apogee: 616 km (382 mi). Perigee: 602 km (374 mi). Inclination: 98.1000 deg. Period: 96.90 min. Summary: Customer: Alcatel Espace(France). French government military electronic intelligence research payload incorporated into an advance microsatellite platform. Based on CERISE with enhanced EMC subsystem. Still operational as of 2000..

2000 June 28 - . 10:37 GMT - . Launch Site: Plesetsk. Launch Complex: Plesetsk LC132/1. LV Family: Kosmos 3. Launch Vehicle: Kosmos 11K65M.
  • Tsinghua - . Mass: 50 kg (110 lb). Nation: China. Agency: Tsinghua. Manufacturer: Surrey. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 26385 . COSPAR: 2000-033B. Apogee: 713 km (443 mi). Perigee: 687 km (427 mi). Inclination: 98.1397 deg. Period: 98.68 min. Tsinghua University of Beijing satellite equipped with an imager, communications payload, and momentum wheels for 3-axis stabilisation. The 50 kg, 0.69 x 0.36 x 0.36m box-shaped satellite used a standard Surrey SSTL microsat bus.Tsinghua-1 was the first demonstrator for the planned Disaster Monitoring Constellation and carried a multi-spectral Earth imaging camera providing 39-metre nadir ground resolution in 3 spectral bands. The satellite also carried out research in low Earth orbit using digital store-and-forward communications, a digital signal processing (DSP) experiment, a Surrey-built GPS space receiver and a new 3-axis microsat attitude control experiment. Tsinghua-1 used the SGR-10, with 12 channels and equipped with two receive antennas, to investigate the use of GPS signals in microsat on-board attitude and orbit determination. In October 2000 Surrey Satellite Technology Ltd (SSTL) released a picture of Tsinghua-1 taken in orbit by the SNAP-1 6.5 kg nanosatellite.

2000 September 26 - . 10:05 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC109. Launch Pad: LC109/95. LV Family: R-36M. Launch Vehicle: Dnepr.
  • Tiungsat-1 - . Payload: MY-Sat 1. Mass: 50 kg (110 lb). Nation: Malaysia. Agency: BKSA. Manufacturer: Surrey. Class: Earth. Type: Earth resources satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 26545 . COSPAR: 2000-057A. Apogee: 658 km (409 mi). Perigee: 644 km (400 mi). Inclination: 64.5585 deg. Period: 97.67 min. Launch delayed from August 25/26. Customer: Astonautic Technology (M) SDN. BHD. Malaysia's first microsatellite built through a technology transfer programme with Surrey Satellite Technology Ltd Carried multi-spectral Earth imaging CCD cameras, meteorological Earth imaging CCD camera, digital store and forward communications, cosmic-ray energy deposition experiment (CEDEX)

2001 September 30 - . 02:40 GMT - . Launch Site: Kodiak. LV Family: Athena. Launch Vehicle: Athena-1. LV Configuration: Athena-1 LM-001.
  • Picosat - . Mass: 67 kg (147 lb). Nation: USA. Agency: USAF. Manufacturer: Surrey. Class: Technology. Type: Navigation technology satellite. Spacecraft: MicroSat-70. USAF Sat Cat: 26930 . COSPAR: 2001-043B. Apogee: 795 km (493 mi). Perigee: 788 km (489 mi). Inclination: 67.0000 deg. Period: 100.70 min. STP P97-1 Picosat was built by Surrey Satellite for the USAF using a Uosat-type bus. The 68 kg satellite was to test electronic components/systems in space conditions. It carried four test payloads: Polymer Battery Experiment (PBEX), Ionospheric Occultation Experiment (IOX), Coherent Electromagnetic Radio Tomagraphy (CERTO) and an ultra-quiet platform (OPPEX). Called Picosat 9 by some Agencies although not related to other satellites in that series.

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