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TRW
American manufacturer of rockets, spacecraft, and rocket engines. TRW Corporation, Redondo Beach, CA, USA.

AKA: Northrop Grumman Space Technology;TRW Inc.;TRW Space & Electronics. Location: Redondo Beach, California.



People: Goldin. Country: USA. Engines: SEPST, SEPS, Dual Mode-Liquid Apogee Engine, MRE-15/OMV, MRE-5/Compton Observatory, OMV Variable Thrust Engine, Press Fed, Press Fed 1000k, Press Fed 200k, Press Fed 25k, Press Fed 5748k, TR-106, TR-107, TR-201. Spacecraft: Pioneer 0-1-2, Pioneer 5, Apollo ULS, ERS, Vela, TRW Mars, Pioneer 6-7-8-9-E, Janus, Advanced Vela, OV5, Intelsat 3, DSP, DSCS II, Pioneer 10-11, FLTSATCOM, Space Station Designs - 1982, TDRS, OMV, Robotic Satellite Servicer, GRO, Milstar, TAOS, TOMS-EP, Lewis satellite, Odyssey, ROCSAT, Chandra, KOMPSAT, GeoLITE, Aqua, Aura. Launch Vehicles: LCLV.

1997 February 23 - . 20:20 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC40. LV Family: Titan. Launch Vehicle: Titan 402B/IUS.
  • USA 130 - . Payload: DSP-1 Block 18 F18. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: USAF. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 24737 . COSPAR: 1997-008A. Apogee: 35,790 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.0000 deg. DSP-1 Block 14 ballistic missile launch detection satellite. Positioned in geosynchronous orbit at 70 deg E in 1999. Still in service as of March 2007..

1997 August 23 - . 06:51 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC6. LV Family: Athena. Launch Vehicle: Athena-1.
  • Lewis - . Payload: SSTI/Lewis. Nation: USA. Agency: NASA, TRW. Manufacturer: Chantilly. Class: Earth. Type: Earth resources satellite. Spacecraft Bus: T200. Spacecraft: Lewis satellite. Decay Date: 1997-09-28 . USAF Sat Cat: 24909 . COSPAR: 1997-044A. Apogee: 134 km (83 mi). Perigee: 124 km (77 mi). Inclination: 97.5000 deg. Period: 87.10 min. Reentered Sep 28.

1998 August 12 - . 11:30 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 401A/Centaur. FAILURE: Due to guidance system loss of heading after power interrupt, booster pitched over 40 seconds after launch, and was destroyed by range safety.. Failed Stage: G.
  • Mercury ELINT - . Payload: Mercury ELINT 3. Nation: USA. Agency: NRO, NSA. Manufacturer: TRW. Class: Surveillance. Type: ELINT. Spacecraft: Mercury ELINT. Third launch of Mercury ELINT satellite..

1999 January 27 - . 00:34 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC46. Launch Pad: SLC46. LV Family: Athena. Launch Vehicle: Athena-1.
  • ROCSAT-1 - . Mass: 400 kg (880 lb). Nation: Taiwan. Agency: NSPO. Manufacturer: TRW. Class: Earth. Type: Seismology satellite. Spacecraft Bus: T200. Spacecraft: ROCSAT. USAF Sat Cat: 25616 . COSPAR: 1999-002A. Apogee: 523 km (324 mi). Perigee: 479 km (297 mi). Inclination: 34.9600 deg. Period: 94.63 min.

    Taiwan's first satellite, with experimental communications, ocean imagery, and ionospheric studies instruments. The Primex OAM placed itself and the payload into an elliptical transfer orbit. A second OAM burn circularized the orbit, and ROCSAT separated into a 588 x 601 km x 35.0 deg orbit.


1999 April 9 - . 17:01 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 402B/IUS. FAILURE: IUS first and second stages failed to separate.. Failed Stage: U.
  • USA 142 - . Payload: DSP-1 Block 18 F19. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: USAF. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 25669 . COSPAR: 1999-017A. Apogee: 35,800 km (22,200 mi). Perigee: 720 km (440 mi). Inclination: 28.0000 deg.

    The Titan 4B placed the IUS upper stages and DSP-1 Block 14 ballistic missile launch detection satellite. payload into a 188 km x 718 km x 28.6 deg parking orbit. The first stage of the IUS burned at 18:14 GMT and put the second stage and payload into a geosynchronous transfer orbit. The IUS second stage fired at 23:34 GMT in order to place the spacecraft in geosynchronous orbit. However, at least one connector remained attached between the stages, and the second stage motor nozzle did not extend properly. When the stage fired, the vehicle tumbled wildly during the burn. Separation of the DSP was achieved. Although it could not perform its primary mission, it did provide a good test case in that the effects of radiation on its systems could be monitored as they underwent twice-daily passages of the Van Allen Radiation Belts. However after some weeks the hydrazine propellant aboard the satellite vented into space due to a broken fuel line. It was believed this had been induced by the wild ride aboard the IUS-2 stage.


1999 July 23 - . 04:31 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC39B. Launch Platform: MLP1. LV Family: Shuttle. Launch Vehicle: Space Shuttle.
  • Chandra - . Payload: OV-102. Nation: USA. Agency: NASA Huntsville. Manufacturer: TRW. Class: Astronomy. Type: X-ray astronomy satellite. Spacecraft: Chandra. USAF Sat Cat: 25867 . COSPAR: 1999-040B. Apogee: 128,769 km (80,013 mi). Perigee: 20,046 km (12,455 mi). Inclination: 45.1000 deg. Period: 3,808.60 min.

    The Chandra Advanced X-ray Astrophysics Facility was one of NASA’s four Great Observatories (along with Hubble Space Telescope, Compton Gamma Ray Observatory, and the SIRTF). Chandra will study the composition and nature of galaxies, stellar objects and interstellar phenomena as well as basic issues in theoretical physics using the most sensitive X-ray telescope ever built. The IUS under-performed and placed Chandra in an orbit about 900 km lower than planned. Therefore Chandra's own IPS propulsion system had to be used to make up the difference. The first such manoeuvre was at 01:11 GMT on July 25 when the IPS engines fired for 5 minutes to raise perigee to 1192 km. Further perigee burns on July 31, August 4, and August 7 raised the orbit to its final 10,000 km x 140.000 km. Additional Details: here....


2000 May 8 - . 16:01 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC40. LV Family: Titan. Launch Vehicle: Titan 402B/IUS.
  • USA 149 - . Payload: DSP-1 Block 18 F20. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: USAF. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 26356 . COSPAR: 2000-024A. Apogee: 35,790 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 0.0000 deg.

    DSP-1 Block 14 ballistic missile launch detection satellite. Delivered by the two-stage IUS-22 solid rocket into geostationary orbit. Fullfilled mission of DSP 19 launched in 1999 into the wrong orbit when its IUS stage failed. Still in service as of March 2007. As of 2005 Apr 2 located at 8.05E drifting at 0.166E degrees per day.


2001 May 18 - . 17:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. Launch Pad: SLC17B. LV Family: Thor. Launch Vehicle: Delta 7925-9.5.
  • USA 158 - . Payload: GeoLITE. Mass: 93 kg (205 lb). Nation: USA. Agency: NRO. Manufacturer: TRW. Class: Communications. Type: Military communications satellite. Spacecraft Bus: T310. Spacecraft: GeoLITE. USAF Sat Cat: 26770 . COSPAR: 2001-020A. Apogee: 35,700 km (22,100 mi). Perigee: 179 km (111 mi). Inclination: 19.5000 deg. Period: 629.01 min.

    Military Communications Technology flight. Launch delayed from March 1, April 25, May 2 and 17. GeoLITE, US National Reconnaissance Office spacecraft was into placed by the Delta launch vehicle into a geostationary transfer orbit. GeoLITE was a TRW T-310 class satellite with a mass of about 1800 kg, including a solid apogee motor. The satellite carried an experimental laser communications payload and an operational UHF data relay payload.


2001 August 6 - . 07:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC40. Launch Pad: SLC40. LV Family: Titan. Launch Vehicle: Titan 402B/IUS.
  • USA 159 - . Payload: DSP-1 Block 18 F21. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: USAF. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 26880 . COSPAR: 2001-033A. Apogee: 35,780 km (22,230 mi). Perigee: 35,780 km (22,230 mi). Inclination: 2.9000 deg. Period: 1,435.76 min.

    Launch postponed from February, then delayed from July 27. USA 159 was a US Air Force Defense Support Program infrared missile early warning satellite was placed by the Titan core into a 328 x 663 km x 28.7 deg parking orbit. The Boeing IUS-16 upper stage then fired its first solid motor to enter geostationary transfer orbit. The second IUS solid motor fired at around 14:00 GMT placing DSP Flight 21 in near-geosynchronous orbit. Still in service as of March 2007.


2002 May 4 - . 09:54 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 7920-10L.
  • Aqua - . Payload: EOS-PM1. Mass: 2,934 kg (6,468 lb). Nation: USA. Agency: NASA. Manufacturer: TRW. Class: Earth. Type: Earth resources satellite. Spacecraft: Aqua. USAF Sat Cat: 27424 . COSPAR: 2002-022A. Apogee: 706 km (438 mi). Perigee: 699 km (434 mi). Inclination: 98.2000 deg. Period: 98.80 min.

    Climatology and environment satellite. Launch delayed from December 20, 2001, and January 30, April 18 and 26, May 2. NASA's Aqua remote sensing satellite was placed in a 185 x 707 km x 98.1 deg transfer orbit at 1006 UTC. A second burn of the second stage of the Delta at 1048:58 UTC put Aqua in a 676 x 687 km x 98.2 deg orbit.


2004 February 14 - . 18:50 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC40. Launch Pad: SLC40. LV Family: Titan. Launch Vehicle: Titan 402B/IUS.
  • USA 176 - . Payload: DSP-1 Block 18 F22. Mass: 2,380 kg (5,240 lb). Nation: USA. Agency: NSA. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 28158 . COSPAR: 2004-004A. Apogee: 36,105 km (22,434 mi). Perigee: 35,852 km (22,277 mi). Inclination: 0.6800 deg. Period: 1,445.94 min.

    DSP-1 Block 14 ballistic missile launch detection satellite. Last flight of the IUS upper stage. Launch delayed from November 4, 2003, and January 17, 2003. Planned IMEX piggyback payload cancelled. Still in service as of March 2007, expected to remain operational until 2017-2022. As of 2004 Feb 15 located at 96.66W drifting at 2.464W degrees per day.


2004 July 15 - . 10:02 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 7920-10L.
  • Aura - . Payload: EOS-CHEM1 / T330 (AB1200). Mass: 2,967 kg (6,541 lb). Nation: USA. Agency: NASA. Manufacturer: TRW. Class: Earth. Type: Atmosphere satellite. Spacecraft: Aura. USAF Sat Cat: 28376 . COSPAR: 2004-026A. Apogee: 694 km (431 mi). Perigee: 688 km (427 mi). Inclination: 98.2000 deg. Period: 98.60 min. Atmosphere Dynamics & Chemistry. Delayed from January 29, February 6, March 19, June 17, 19 and 26, July 8, 10, 11, 13 and 14..

2007 November 11 - . 01:50 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC37B. Launch Pad: SLC37B. LV Family: Delta IV. Launch Vehicle: Delta 4H.
  • USA 197 - . Payload: DSP-1 Block 18 F23. Mass: 2,270 kg (5,000 lb). Nation: USA. Agency: NSA. Manufacturer: TRW. Class: Surveillance. Type: Early warning satellite. Spacecraft: DSP. USAF Sat Cat: 32287 . COSPAR: 2007-054A. Apogee: 36,325 km (22,571 mi). Perigee: 35,800 km (22,200 mi). Inclination: 0.0000 deg. Period: 1,436.00 min.

    Final DSP launch. The series was to be replaced by SBIRS, which was in the middle of a troubled development program. The Delta 4H performed well after problems on its first launch. The RL10-powered upper stage made three burns before releasing the early-warning satellite in its final geosynchronous orbit. Total cost of the flight was $700 million, with the DSP worth $400 million. The DSP carried a special 25 kg supplementary payload designed to detect extremely small nuclear tests in space. The payload was required by a secret White House/National Security Council directive to detect any attempted covert nuclear tests by Iran or North Korea.



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