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Delta 7920-10

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AKA: Delta 7920-X. Status: Active. First Launch: 1995-11-04. Last Launch: 2001-12-07. Number: 6 . Thrust: 4,000.00 kN (899,200 lbf). Gross mass: 220,000 kg (480,000 lb). Height: 39.00 m (127.00 ft). Diameter: 2.44 m (8.00 ft). Apogee: 1,000 km (600 mi).

• Radarsat - . Mass: 2,713 kg (5,981 lb). Nation: Canada. Agency: CSA. Class: Earth. Type: Civilian Radarsat. Spacecraft Bus: BCP-4000. Spacecraft: Radarsat. USAF Sat Cat: 23710 . COSPAR: 1995-059A. Apogee: 793 km (492 mi). Perigee: 791 km (491 mi). Inclination: 98.60 deg. Period: 100.70 min. Earth imaging with synthetic aperture radar..

• SURFSAT - . Payload: SURFSAT/Delta 229. Mass: 55 kg (121 lb). Nation: USA. Agency: MDAC. Class: Technology. Type: Navigation technology satellite. Spacecraft: SURFSAT-1. USAF Sat Cat: 23711 . COSPAR: 1995-059B. Apogee: 1,494 km (928 mi). Perigee: 934 km (580 mi). Inclination: 100.60 deg. Period: 109.70 min. Test satellite for NASA's Deep Space Network..

• XTE - . Payload: Rossi X-ray Timing Explorer. Mass: 3,000 kg (6,600 lb). Nation: USA. Agency: NASA Greenbelt. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: XTE. Decay Date: 2018-04-30 . USAF Sat Cat: 23757 . COSPAR: 1995-074A. Apogee: 583 km (362 mi). Perigee: 565 km (351 mi). Inclination: 23.00 deg. Period: 96.10 min. X-ray Timing Explorer; X-ray astronomy..

• MSX - . Mass: 2,700 kg (5,900 lb). Nation: USA. Agency: BMDO. Class: Military. Type: Strategic defense satellite. Spacecraft: MSX. USAF Sat Cat: 23851 . COSPAR: 1996-024A. Apogee: 907 km (563 mi). Perigee: 897 km (557 mi). Inclination: 99.40 deg. Period: 103.10 min. LEO. Midcourse Space eXperiment; missile detection technology tests; also used for auroral and atmospheric studies .

• ARGOS - . Payload: P91-1. Nation: USA. Agency: USAF SM. Manufacturer: Seal Beach. Class: Technology. Type: Ion engine technology satellite. Spacecraft: ARGOS. USAF Sat Cat: 25634 . COSPAR: 1999-008A. Apogee: 836 km (519 mi). Perigee: 821 km (510 mi). Inclination: 98.90 deg. Period: 101.50 min. ARGOS was a USAF Space Test Program P91-1 technology satellite, equipped with an ion engine, ionosphere, x-ray, and dust detectors. Much delayed, it finally was placed into orbit on the eleventh (!) launch attempt..

• Sunsat - . Nation: South Africa. Agency: Boeing. Manufacturer: Stellenbosch. Class: Technology. Type: Navigation technology satellite. Spacecraft: Sunsat. USAF Sat Cat: 25636 . COSPAR: 1999-008C. Apogee: 852 km (529 mi). Perigee: 641 km (398 mi). Inclination: 96.50 deg. Period: 99.80 min. Sunsat was built by students at Stellenbosch University, South Africa and carried a small imager and a message relay payload..

• Orsted - . Mass: 62 kg (136 lb). Nation: Denmark. Agency: DMI. Manufacturer: CRI. Class: Earth. Type: Magnetosphere satellite. Spacecraft: Orsted. USAF Sat Cat: 25635 . COSPAR: 1999-008B. Apogee: 839 km (521 mi). Perigee: 638 km (396 mi). Inclination: 96.50 deg. Period: 99.60 min. Denmark's Orsted gravity gradient stabilised satellite was to map the Earth's magnetic field. It was managed and operated by the Danish Meteorological Institute in Copenhagen. The satellite's prime contractor was CRI , Copenhagen..

• Landsat 7 - . Mass: 1,969 kg (4,340 lb). Nation: USA. Agency: NASA Greenbelt. Manufacturer: Valley Forge. Program: Landsat. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: TIROS N. Spacecraft: Landsat 7. USAF Sat Cat: 25682 . COSPAR: 1999-020A. Apogee: 703 km (436 mi). Perigee: 702 km (436 mi). Inclination: 98.20 deg. Period: 98.80 min.

  The vehicle entered a 175 km x 706 km x 98.2 deg initial orbit. 57 minutes after launch the Delta stage burned again to circularize the orbit at 668 km x 698 km and Landsat 7 separated from the stage. The Delta stage then burned to depletion of its propellant, into a 184 km x 710 km x 107.5 deg orbit that would decay quickly. The Landsat 7 remote sensing satellite was to be operated by NASA/Goddard until October 2000, when operations would be transferred to the US Geological Survey.

• Jason 1 - . Payload: TPFO. Mass: 485 kg (1,069 lb). Nation: France. Agency: CNES, NASA. Manufacturer: Cannes. Class: Earth. Type: Ionosphere satellite. Spacecraft Bus: Proteus. Spacecraft: Jason. USAF Sat Cat: 26997 . COSPAR: 2001-055A. Apogee: 1,344 km (835 mi). Perigee: 1,332 km (827 mi). Inclination: 66.10 deg. Period: 112.40 min.

  Oceanography satellite, launch delayed from August 10 and September 15. Jason 1 was a joint mission between CNES (the French space agency) and NASA/JPL, following on the Topex satellite which carried the Poseidon sea surface altimeter. Jason carried Poseidon 2, as well as orbital tracking experiments and a microwave radiometer which measured the amount of water vapor, allowing path delay errors to be calibrated. The satellite used the Alcatel Proteus bus and had a dry mass of 472 kg plus 28 kg of hydrazine propellant. The JASON/TIMED mission's Boeing Delta 7920-10C second stage reached an initial orbit of 215 x 1343 km x 66.2 deg at 1517 GMT. A second burn at 1559 GMT circularized at apogee to 1320 x 1330 km x 66.0 deg, and the Jason 1 satellite was ejected at 1602 GMT.

• TIMED - . Mass: 485 kg (1,069 lb). Nation: USA. Agency: CNES, NASA. Manufacturer: Cannes. Class: Astronomy. Type: Solar satellite. Spacecraft: TIMED. USAF Sat Cat: 26998 . COSPAR: 2001-055B. Apogee: 624 km (387 mi). Perigee: 623 km (387 mi). Inclination: 74.10 deg. Period: 97.20 min.

  TIMED was the first NASA Solar Terrestrial Probe, operated by Johns Hopkins Applied Physics Lab to study the thermosphere, mesosphere and lower ionosphere. TIMED was built in-house at APL and had a mass of 587 kg; the project was managed at NASA-Goddard. It measured solar and auroral energy input, atmospheric cooling rates, and atmospheric composition, temperature and wind profiles.

  Five minutes after deploying the JASON satellite, the DPAF adapter atop the Delta upper stage separated to reveal the TIMED satellite inside it. Burn 3 at 1614 GMT put Delta/TIMED in a descending 636 x 1330 km x 71.3 deg orbit; at perigee at 1706 GMT a fourth burn circularized the orbit at 627 x 640 km x 74.1 deg and TIMED was ejected six minutes later. A final depletion burn left the Delta stage in a low perigee orbit.