Encyclopedia Astronautica

American manufacturer. Cornell, USA.

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  • Discovery The Discovery program was begun by NASA in the early 1990s as the planetary counterpart to the Explorer program. More...

Cornell Chronology

2002 July 3 - . 06:47 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. Launch Pad: SLC17A. LV Family: Delta. Launch Vehicle: Delta 7425-9.5. LV Configuration: Delta 7425-9.5 D292 / Star 30.
  • Contour - . Payload: Discovery 6. Mass: 1,005 kg (2,215 lb). Nation: USA. Agency: NASA; Cornell. Manufacturer: APL. Program: Discovery. Class: Comet. Type: Comet probe. Spacecraft: Contour. USAF Sat Cat: 27457 . COSPAR: 2002-034A. Apogee: 108,614 km (67,489 mi). Perigee: 212 km (131 mi). Inclination: 30.6000 deg. Period: 2,486.10 min. Launch delayed from July 1st. The latest NASA Discovery mission was successfully launched on Jul 3. The CONTOUR (Comet Nucleus Tour) probe, built and operated by the Johns Hopkins University's Applied Physics Laboratory (APL), began its five year mission to explore three comets, using repeated encounters with the earth to modify its orbit in order to reach each target. The first burn of the second stage completed at 0659 UTC putting the spacecraft in a 185 x 197 km x 29.7 deg parking orbit. At 0746 UTC the second stage restarted for a short 4s burn to 185 x 309 km x 29.7 deg, and then separated once the PAM-D (ATK Star 48B) solid third stage was spun up. The 1.5 minute burn of the third stage motor at 0748 UTC put it and CONTOUR in a 90 x 106689 km x 30.5 deg phasing orbit. By July 8 CONTOUR's orbit was 214 x 106686 km x 29.8 deg. CONTOUR stayed in this phasing orbit until August 15, when it was injected into solar orbit using its internal ATK Star 30 solid motor. Flyby of the first target, comet 2P/Encke, was scheduled for Nov 2003.

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