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Pegasus XL

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Pegasus XL

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Status: Active. First Launch: 1994-06-27. Last Launch: 2016-12-15. Number: 27 . Payload: 443 kg (976 lb). Thrust: 486.64 kN (109,401 lbf). Gross mass: 24,000 kg (52,000 lb). Height: 17.60 m (57.70 ft). Diameter: 1.27 m (4.16 ft). Apogee: 185 km (114 mi).

LEO Payload: 443 kg (976 lb) to a 185 km orbit at 28.50 degrees. Payload: 190 kg (410 lb) to a 800 km SSO. Launch Price $: 12.000 million in 1994 dollars.

Stage Data - Pegasus XL

• Stage 0. 1 x L-1011. Gross Mass: 156,000 kg (343,000 lb). Empty Mass: 109,629 kg (241,690 lb). Thrust (vac): 561.900 kN (126,320 lbf). Isp: 9,900 sec. Burn time: 4,590 sec. Isp(sl): 9,000 sec. Diameter: 16.86 m (55.31 ft). Span: 47.00 m (154.00 ft). Length: 54.00 m (177.00 ft). Propellants: Air/Kerosene. No Engines: 3. Engine: RB-211-22B. Status: In Production. Comments: Lockheed airliner swept wing. Release conditions: Belly-mounted, 36,800 kg, 17.1 m length x 7.9 m span at 925 kph at 11,890 m altitude.

• Stage 1. 1 x Pegasus XL-1. Gross Mass: 17,934 kg (39,537 lb). Empty Mass: 2,886 kg (6,362 lb). Thrust (vac): 589.007 kN (132,414 lbf). Isp: 293 sec. Burn time: 73 sec. Isp(sl): 180 sec. Diameter: 1.27 m (4.16 ft). Span: 6.71 m (22.01 ft). Length: 8.88 m (29.13 ft). Propellants: Solid. No Engines: 1. Engine: Pegasus XL-1. Status: In Production.

• Stage 2. 1 x Pegasus XL-2. Gross Mass: 4,331 kg (9,548 lb). Empty Mass: 416 kg (917 lb). Thrust (vac): 153.503 kN (34,509 lbf). Isp: 290 sec. Burn time: 73 sec. Isp(sl): 240 sec. Diameter: 1.27 m (4.16 ft). Span: 1.27 m (4.16 ft). Length: 3.58 m (11.74 ft). Propellants: Solid. No Engines: 1. Engine: Pegasus XL-2. Status: In Production.

• Stage 3. 1 x Pegasus-3. Gross Mass: 985 kg (2,171 lb). Empty Mass: 203 kg (447 lb). Thrust (vac): 34.568 kN (7,771 lbf). Isp: 293 sec. Burn time: 65 sec. Isp(sl): 240 sec. Diameter: 0.97 m (3.18 ft). Span: 0.97 m (3.18 ft). Length: 2.08 m (6.82 ft). Propellants: Solid. No Engines: 1. Engine: Pegasus-3. Status: In Production.

• STEP 1 - . Payload: STEP M1 / P90-1. Mass: 180 kg (390 lb). Nation: USA. Agency: OSC. Program: STEP. Class: Military. Type: Strategic defense satellite. Spacecraft: Eagle. Apogee: 38 km (23 mi). Destroyed on launch Air dropped in Point Arguello WADZ..

• STEP 3 - . Payload: STEP M3. Mass: 267 kg (588 lb). Nation: USA. Agency: USAF. Program: STEP. Class: Technology. Type: Navigation technology satellite. Spacecraft: STEP. Decay Date: 1995-06-22 . Apogee: 144 km (89 mi). Space Test Experiment Platform. Air dropped in Point Arguello WADZ..

• REX-II - . Mass: 85 kg (187 lb). Nation: USA. Agency: USAF STP. Class: Earth. Type: Ionosphere satellite. Spacecraft Bus: GemStar. Spacecraft: REX. USAF Sat Cat: 23814 . COSPAR: 1996-014A. Apogee: 835 km (518 mi). Perigee: 799 km (496 mi). Inclination: 90.00 deg. Period: 101.20 min. LEO Air dropped in Point Arguello WADZ..

• TOMS-EP - . Mass: 248 kg (546 lb). Nation: USA. Agency: NASA Greenbelt. Class: Earth. Type: Atmosphere satellite. Spacecraft Bus: T100. Spacecraft: TOMS-EP. USAF Sat Cat: 23940 . COSPAR: 1996-037A. Apogee: 746 km (463 mi). Perigee: 705 km (438 mi). Inclination: 98.30 deg. Period: 99.30 min. LEO. Total Ozone Mapping Spectrometer-Earth Probe; atmospheric ozone mapping. Air dropped in Point Arguello WADZ..

• FAST - . Nation: USA. Agency: NASA Greenbelt. Program: Small Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: FAST. USAF Sat Cat: 24285 . COSPAR: 1996-049A. Apogee: 4,163 km (2,586 mi). Perigee: 353 km (219 mi). Inclination: 83.00 deg. Period: 132.70 min. Second Small Explorer mission. Air dropped in Point Arguello WADZ..

• HETE - . Mass: 124 kg (273 lb). Nation: USA. Agency: NASA Greenbelt. Program: STEDI. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: HETE. Decay Date: 2002-04-07 . USAF Sat Cat: 24645 . COSPAR: 1996-061A. Apogee: 555 km (344 mi). Perigee: 487 km (302 mi). Inclination: 38.00 deg. Period: 95.00 min.

  The High Energy Transient Experiment (HETE) was an international mission led by The Massachusetts Institute of Technology (MIT). Its prime objective was to carry out the first multiwavelength study of gamma ray bursts (GRBs) with UV, X-ray, and gamma ray instruments. A unique feature of the mission was its capability to localise bursts with several arcsecond accuracy, in near real-time aboard the spacecraft. These positions were to be transmitted to the ground, and picked up by a global network of primary and secondary ground stations (SGS), enabling sensitive follow-up studies. However the satellite was never released from its payload fitting. Although signals were received, the solar panels could not deploy, and it went silent after a few days when its batteries ran down. Air dropped in Wallops Island DZ.

• SAC-B - . Nation: Argentina. Agency: CONAE. Program: SAC. Class: Technology. Type: Navigation technology satellite. Spacecraft: SAC-B. Decay Date: 2002-04-07 . USAF Sat Cat: 24645 . COSPAR: 1996-061A. Apogee: 555 km (344 mi). Perigee: 487 km (302 mi). Inclination: 38.00 deg. Period: 95.00 min. Air dropped in Wallops Island DZ..

• Minisat-01 - . Mass: 209 kg (460 lb). Nation: USA. Agency: INTA. Manufacturer: CASA. Class: Technology. Type: Navigation technology satellite. Spacecraft: Minisat. Decay Date: 2002-02-26 . USAF Sat Cat: 24779 . COSPAR: 1997-018A. Apogee: 580 km (360 mi). Perigee: 561 km (348 mi). Inclination: 151.00 deg. Period: 96.00 min. Minisat-01 carried the EURD extreme ultraviolet spectrograph to study interstellar gas, the LEGRI gamma ray burst detector, and the CPLM microacceleration in liquids experiment. Air dropped in Gran Canaria DZ..

• Celestis - . Payload: CPAC. Nation: USA. Agency: OSC. Manufacturer: Germantown. Program: Celestis. Class: Burial . Type: Burial satellite. Spacecraft: CPAC. Decay Date: 2002-05-21 . USAF Sat Cat: 24780 . COSPAR: 1997-018B. Apogee: 581 km (361 mi). Perigee: 553 km (343 mi). Inclination: 151.00 deg. Period: 96.00 min. Air dropped in Gran Canaria DZ..

• Orbview-2 - . Payload: Seastar. Nation: USA. Agency: Orbimage. Manufacturer: Germantown. Program: Orbview. Class: Surveillance. Type: Civilian surveillance satellite. Spacecraft Bus: PegaStar. Spacecraft: Orbview-2. USAF Sat Cat: 24883 . COSPAR: 1997-037A. Apogee: 708 km (439 mi). Perigee: 707 km (439 mi). Inclination: 98.20 deg. Period: 98.90 min. Air dropped in Point Arguello WADZ..

• FORTE - . Nation: USA. Agency: USAF STP. Manufacturer: Los Alamos. Class: Technology. Type: Navigation technology satellite. Spacecraft: FORTE. USAF Sat Cat: 24920 . COSPAR: 1997-047A. Apogee: 833 km (517 mi). Perigee: 799 km (496 mi). Inclination: 70.00 deg. Period: 101.20 min.

  FORTE - 'Fast On-orbit Recording of Transient Events' - was a US Los Alamos National Laboratory satellite designed to study natural and artificial radio emissions from the ionosphere. This data was needed to develop technology for monitoring nuclear test ban treaties. Air dropped in Point Arguello WADZ.

• STEP-4 - . Payload: STEP M4. Mass: 180 kg (390 lb). Nation: USA. Agency: USAF STP. Program: STEP. Class: Military. Type: Strategic defense satellite. Spacecraft: Eagle. Decay Date: 2001-03-31 . USAF Sat Cat: 25013 . COSPAR: 1997-063A. Apogee: 500 km (310 mi). Perigee: 432 km (268 mi). Inclination: 45.00 deg. Period: 93.80 min. Air dropped in Wallops Island DZ..

• SNOE - . Nation: USA. Agency: NASA Greenbelt. Manufacturer: Colorado. Program: STEDI. Class: Earth. Type: Seismology satellite. Spacecraft: SNOE. Decay Date: 2003-12-13 . USAF Sat Cat: 25233 . COSPAR: 1998-012A. Apogee: 581 km (361 mi). Perigee: 529 km (328 mi). Inclination: 97.70 deg. Period: 95.80 min.

  SNOE, the Student Nitric Oxide Explorer. Small satellite built by the University of Colorado to measure the Nitric Oxide density as a function of altitude. First satellite in the STEDI (Student Explorer Demonstration Initiative) program. Air dropped in Point Arguello WADZ.

• Teledesic 1 - . Payload: BATSAT. Nation: USA. Agency: Teledesic. Manufacturer: Germantown. Class: Communications. Type: Civilian communications satellite. Spacecraft: Teledesic. Decay Date: 2000-10-09 . USAF Sat Cat: 25234 . COSPAR: 1998-012B. Apogee: 577 km (358 mi). Perigee: 532 km (330 mi). Inclination: 97.70 deg. Period: 95.70 min. Communications Technology Demonstrator. Air dropped in Point Arguello WADZ..

• TRACE - . Nation: USA. Agency: NASA Greenbelt. Program: Small Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: TRACE. USAF Sat Cat: 25280 . COSPAR: 1998-020A. Apogee: 652 km (405 mi). Perigee: 602 km (374 mi). Inclination: 97.80 deg. Period: 97.10 min.

  NASA's third Small Explorer, the Transition Region and Coronal Explorer (TRACE), was successfully launched by an Orbital Pegasus XL. The L-1011 carrier aircraft took off from Vandenberg and dropped the Pegasus over the Pacific Ocean. TRACE, a project led by Lockheed's solar physics group, carried a 30-cm extreme ultraviolet imaging telescope which will study the Sun. The telescope mirrors were made by the Smithsonian Astrophysical Observatory. TRACE had an 8.5 arcmin field of view and 1 arcsecond resolution. Air dropped in Point Arguello WADZ.

• SWAS - . Nation: USA. Agency: NASA Greenbelt. Program: Small Explorer. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: SWAS. USAF Sat Cat: 25560 . COSPAR: 1998-071A. Apogee: 611 km (379 mi). Perigee: 599 km (372 mi). Inclination: 69.90 deg. Period: 96.80 min.

  On December 3 the Orbital Sciences L-1011 Stargazer took off from Vandenberg AFB Runway 30/12 carrying a Pegasus XL launch vehicle with the SWAS satellite aboard. It reached the drop box at 36.0N 123.0W over the Pacific, but due to a software-related problem the range ordered the launch scrubbed and the L-1011 returned to base. After a further delay due to weather, the L-1011 took off at 23:58 GMT on December 5 and SWAS reached orbit and separated from the third stage at 01:09 GMT. SWAS, the Sub-millimetre Wave Astronomy Satellite, had a 0.6m telescope with a 490 to 550 GHz sub-millimetre receiver and an acousto-optical spectrometer. SWAS was used to study the cooling of molecular cloud cores, the sites of star formation in our galaxy, by measuring lines from molecular oxygen and water. Air dropped in Point Arguello WADZ.

• WIRE - . Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: WIRE. Decay Date: 2011-05-10 . USAF Sat Cat: 25646 . COSPAR: 1999-011A. Apogee: 582 km (361 mi). Perigee: 537 km (333 mi). Inclination: 97.50 deg.

  NASA's long-delayed WIRE (Wide Field Infrared Explorer) astronomy satellite was the fifth Small Explorer (SMEX) mission managed by NASA-Goddard. The L-1011 Stargazer launch aircraft took off from Vandenberg's runway 30/12 at 01:55 GMT on March 2 for the first launch attempt. The planned 02:56 GMT launch was cancelled at T-46 seconds due to a problem with the tail fin release mechanism of the Pegasus XL launch vehicle. The second attempt was successful, with the Pegaus XL being dropped at 36 degrees N x 123 degrees W over the Pacific Ocean at 02:56 GMT. However the WIRE ran into serious trouble shortly after orbit injection. The cover of the solid hydrogen telescope ejected prematurely, and the cryogenic coolant evaporated and vented, spinning the satellite out of control. WIRE was going to make an infrared photometry survey, generating a large catalog of galaxies and quasars. Air dropped in Point Arguello WADZ.

• TSX 5 - . Payload: P95-2. Mass: 247 kg (544 lb). Nation: USA. Agency: USAF STP. Manufacturer: McLean. Class: Surveillance. Type: Military surveillance satellite. Spacecraft: STEP. USAF Sat Cat: 26374 . COSPAR: 2000-030A. Apogee: 1,695 km (1,053 mi). Perigee: 412 km (256 mi). Inclination: 68.94 deg. Period: 106.19 min.

  Military Technology satellite. Launch delayed from May 20 and June 6. Fifth STEP (Space Test Experiments Program) satellite. The satellite's main section was the STRV-2 experiment module, sponsored by the Ballistic Missile Defense Organization and the UK Ministry of Defense. This was to take infrared images of UK military aircraft at perigee, and then downlink data via laser. STRV-2 also carried vibration isolation and debris impact sensors. A secondary payload was the S97-1 CEASE (Compact Environmental Anomaly Sensor). This was an AFRL prototype sensor package to provide warning of spacecraft charging and radiation events. Air dropped in Point Arguello WADZ.

• HESSI - . Payload: SA-200S. Mass: 449 kg (989 lb). Nation: USA. Agency: NASA. Manufacturer: Gilbert. Class: Astronomy. Type: Solar satellite. Spacecraft Bus: SA-200. Spacecraft: HESSI. USAF Sat Cat: 27370 . COSPAR: 2002-004A. Apogee: 599 km (372 mi). Perigee: 574 km (356 mi). Inclination: 38.00 deg. Period: 96.40 min.

  HESSI, the sixth Small Explorer, carried a rotating modulation collimator transform telescope, imaging solar flares in the hard X-ray spectrum. The launch marked the return to flight of Pegasus after the Hyper-X failure. The launch was originally to have occurred on 28 March 2001. The L-1011 launch aircraft took off at 19:29 GMT from the Cape Canaveral Skid Strip RW30/12, and headed out to the drop area at 28.0 N 78.5 W over the Atlantic. Drop of the Pegasus in the Atlantic Drop Zone at 28.0 N 78.5 W was at 20:58 GMT, with ignition 5 seconds later. The Pegasus reached orbit at 21:07 GMT. On the first pass it was confirmed that the solar panels had opened.

  The satellite rotated at 15 rpm, imaging by reconstructing the Fourier components from the time modulation of the solar x-ray flux through a set of 9 grids each 9 cm in diameter. It was expected to make images with a resolution of 2 arcseconds at 40 keV energies and 36 arcseconds at 1 MeV energies. The launch delays meant that HESSI missed some of the best flares at solar max. Air dropped in Mayport DZ.

• SORCE - . Payload: Solstice/SAVE. Mass: 268 kg (590 lb). Nation: USA. Agency: NASA. Manufacturer: OSC. Class: Astronomy. Type: Solar satellite. Spacecraft Bus: LEOStar-2. Spacecraft: SORCE. USAF Sat Cat: 27651 . COSPAR: 2003-004A. Apogee: 657 km (408 mi). Perigee: 617 km (384 mi). Inclination: 39.99 deg. Period: 97.31 min. Solar irradiance monitoring, climatology mission. Launch delayed from December 1 and 13, 2002. Air dropped in Mayport DZ..

• Galex - . Mass: 280 kg (610 lb). Nation: USA. Agency: NASA. Manufacturer: OSC. Class: Astronomy. Type: Ultraviolet astronomy satellite. Spacecraft Bus: LEOStar-2. Spacecraft: Galex. Duration: 3,710.00 days. USAF Sat Cat: 27783 . COSPAR: 2003-017A. Apogee: 699 km (434 mi). Perigee: 694 km (431 mi). Inclination: 29.00 deg. Period: 98.70 min.

  Ultraviolet space telescope. Much delayed launch (from January 19, May 19, July 16, 21 and 30, August 14 and October 17, 2002; January 27, March 25 and 30, April 15 and 26 2003). It was finally switched off on 28 June 2013, following an extra tenth year of observing funded by Caltech. Air dropped in Mayport DZ.

• Orbview 3 - . Mass: 304 kg (670 lb). Nation: USA. Agency: McLean. Program: Orbview. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: LEOStar. Spacecraft: Orbview. Decay Date: 2011-03-13 . USAF Sat Cat: 27838 . COSPAR: 2003-030A. Apogee: 455 km (282 mi). Perigee: 452 km (280 mi). Inclination: 97.30 deg. Period: 93.70 min.

  One-meter-resolution commercial imaging satellite. Orbview-3 used an Orbital Leostar bus and had a launch mass of 304 kg (including ca. 50 kg of hydrazine for orbit raising and the 66 kg science instrument). Launch had been delayed from September 2002, April 30, May 9 and 23 Air dropped in Point Arguello WADZ.

• Scisat 1 - . Mass: 260 kg (570 lb). Nation: Canada. Agency: CSA. Class: Earth. Type: Ionosphere satellite. Spacecraft: SCISAT. USAF Sat Cat: 27858 . COSPAR: 2003-036A. Apogee: 654 km (406 mi). Perigee: 642 km (398 mi). Inclination: 73.90 deg. Period: 97.70 min.

  Canadian Space Agency spacecraft which carried the ACE-FTS spectrometer to study the chemistry of the upper troposphere and stratosphere and the MAESTRO instrument to study ozone and aerosol levels in the atmosphere. Originally to have launched June 25, 2002. Delayed five more times. Air dropped in Point Arguello WADZ.

• ST5-A - . Mass: 22 kg (48 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Navigation technology satellite. Spacecraft: ST5. USAF Sat Cat: 28980 . COSPAR: 2006-008A. Apogee: 4,539 km (2,820 mi). Perigee: 302 km (187 mi). Inclination: 105.60 deg. Period: 136.90 min.

  Space Technology 5 was one of NASA's New Millenium Program projects. It consisted of three small spacecraft, each a half meter in each dimension, with a small extensible magnetometer boom. Study of the magnetosphere was however secondary to the Nanosat Constellation Trailblazer technology mission. This was to demonstrate fully functional nanosatellites, which included a cold gas microthruster and miniaturized telemetry/command and power systems. The Pegasus rocket was dropped from the L-1011 carrier aircraft over the Pacific at 123 deg W x 36 deg N. Air dropped in Point Arguello WADZ.

• ST5-B - . Mass: 22 kg (48 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Navigation technology satellite. Spacecraft: ST5. USAF Sat Cat: 28981 . COSPAR: 2006-008B. Apogee: 4,540 km (2,820 mi). Perigee: 301 km (187 mi). Inclination: 105.60 deg. Period: 136.90 min. Air dropped in Point Arguello WADZ..

• ST5-C - . Mass: 22 kg (48 lb). Nation: USA. Agency: NASA Greenbelt. Class: Technology. Type: Navigation technology satellite. Spacecraft: ST5. USAF Sat Cat: 28982 . COSPAR: 2006-008C. Apogee: 4,539 km (2,820 mi). Perigee: 303 km (188 mi). Inclination: 105.60 deg. Period: 136.90 min. Air dropped in Point Arguello WADZ..

• AIM - . Mass: 150 kg (330 lb). Nation: USA. Agency: Hampton, NASA. Manufacturer: Ball, OSC. Spacecraft: RS-300. USAF Sat Cat: 31304 . COSPAR: 2007-015A. Apogee: 602 km (374 mi). Perigee: 584 km (362 mi). Inclination: 97.80 deg. Period: 96.50 min.

  NASA Small Explorer mission, for Aeronomy of Ice in the Mesosphere. AIM carried three scientific instruments to study polar mesospheric clouds: a solar occultation camera, an ultraviolet imager, and a cosmic dust experiment. Air dropped in Point Arguello WADZ.

• C/NOFS - . Mass: 395 kg (870 lb). Nation: USA. Agency: McLean. Class: Earth. Type: Seismology satellite. Spacecraft: C/NOFS. Decay Date: 2015-11-28 . USAF Sat Cat: 32765 . COSPAR: 2008-017A. Apogee: 852 km (529 mi). Perigee: 405 km (251 mi). Inclination: 13.00 deg. Period: 97.30 min.

  The C/NOFS (Communication/Navigation Outage Forecasting System) satellite flew the US Defence Department's Space Test Program P00-3 space weather forecasting mission. The L-1011 launch aircraft staged from Kwajalein atoll to a release point for the Pegasus booster somewhere over the Pacific at 10.5229 N 167.7562 E. The research satellite carring ionospheric instruments, including Aerospace Corporation's CORISS receiver which used GPS signals to determine electron densities in the ionosphere, and the Naval Research Laboratory's CERTO ionospheric radio beacon. The spacecraft was built by General Dynamics C4 Systems (former Spectrum Astro) and was managed by DoD-STP and the Air Force Research Lab. The objective was to provide data that would allow better forecasts of ionospheric scintillation which causes problems with communications and GPS signals. The satellite deployed six 10-meter booms after release from the final booster stage. Air dropped in Kwajalein Drop Zone.

• IBEX - . Mass: 107 kg (235 lb). Nation: USA. Agency: NASA. Manufacturer: OSC. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: Microstar. USAF Sat Cat: 33401 . COSPAR: 2008-051A. Apogee: 281,252 km (174,761 mi). Perigee: 69,563 km (43,224 mi). Inclination: 19.23 deg. Period: 12,855.81 min. Interstellar Boundary Explorer. Mission was to map, from its high earth orbit, the boundary of the heliosphere, the point at the limits of the solar system where the solar wind is overcome by the interstellar medium. Air dropped in Kwajalein DZ..

• Nustar - . Payload: Leostar. Mass: 360 kg (790 lb). Nation: USA. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: SA-200. USAF Sat Cat: 38358 . COSPAR: 2012-031A. Apogee: 632 km (392 mi). Perigee: 614 km (381 mi). Inclination: 6.00 deg. Period: 97.20 min. Hard X-ray observatory with ten-meter mast. Air dropped in Kwajalein Drop Zone..

• IRIS - . Mass: 200 kg (440 lb). Nation: USA. Class: Astronomy. Type: Solar satellite. Spacecraft: IRIS Interface Region Imaging Spectrograph. USAF Sat Cat: 39197 . COSPAR: 2013-033A. Apogee: 663 km (411 mi). Perigee: 622 km (386 mi). Inclination: 97.90 deg. Period: 97.56 min.

  NASA Small Explorer program; the IRIS Interface Region Imaging Spectrograph was designed to obtain high resolution (0.3 arcseconds) high cadence (1 second intervals) imaging and spectra of the sun with its 20-cm telescope, in two far-UV bands (1332-1358A, 1380-1406A) and one near-UV band (2785-2835A). Air dropped in Point Mugu Drop Zone.

• CYGNSS A - . Payload: CYGFM01. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41887 . COSPAR: 2016-078D. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg. Cyclone Global Navigation Satellite System for NASA's Earth Science Division. The constellation of small satellites will investigate air-sea interactions that take place in the core of the storms..

• CYGNSS B - . Payload: CYGFM02. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41886 . COSPAR: 2016-078C. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS C - . Payload: CYGFM03. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41891 . COSPAR: 2016-078H. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS D - . Payload: CYGFM04. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41885 . COSPAR: 2016-078B. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS E - . Payload: CYGFM05. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41884 . COSPAR: 2016-078A. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS F - . Payload: CYGFM06. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41889 . COSPAR: 2016-078F. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS G - . Payload: CYGFM07. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41890 . COSPAR: 2016-078G. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.

• CYGNSS H - . Payload: CYGFM08. Mass: 18 kg (39 lb). Nation: USA. Class: Earth. Type: Weather satellite. Spacecraft: CYGNSS. USAF Sat Cat: 41888 . COSPAR: 2016-078E. Apogee: 537 km (333 mi). Perigee: 515 km (320 mi). Inclination: 35.00 deg.