Encyclopedia Astronautica

American manufacturer. Kent, USA.

AKA: Boeing.

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Kent Chronology

1997 November 8 - . 02:05 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan Centaur 401A. LV Configuration: Titan 401A/Centaur 4A-17/TC-16 (45E-?).
  • USA 136 - . Payload: Trumpet 3. Mass: 5,200 kg (11,400 lb). Nation: USA. Agency: NRO; USAF. Manufacturer: Kent. Class: Military. Type: Military naval signals reconnaisance satellite. Spacecraft: Trumpet. USAF Sat Cat: 25034 . COSPAR: 1997-068A. Apogee: 39,059 km (24,270 mi). Perigee: 1,100 km (600 mi). Inclination: 63.6000 deg.

1999 March 28 - . 01:29 GMT - . Launch Site: Kiritimati. Launch Pad: 0.0 N x 154.0 W. Launch Platform: ODYSSEY. LV Family: Zenit. Launch Vehicle: Zenit-3SL.
  • DemoSat - . Payload: HS 702. Mass: 4,500 kg (9,900 lb). Nation: USA. Agency: SeaLaunch. Manufacturer: Kent. Class: Technology. Type: Navigation technology satellite. USAF Sat Cat: 25661 . COSPAR: 1999-014A. Apogee: 36,045 km (22,397 mi). Perigee: 658 km (408 mi). Inclination: 0.7000 deg. Period: 645.00 min. The first Boeing Sea Launch mission. The Zenit-3SL lifted off from the Odyssey floating platform on the equator at 154 degrees West longitude. The DemoSat payload was an instrumented dynamic model of an HS-702 satellite built by Boeing Commercial Space/Kent. 13 minutes after launch, the Block DM-SL upper stage completed its first burn and entered a 180 km x 735 km x 1.2 degree parking orbit. A second burn 47 minutes after launch placed DemoSat in a 638 km x 36,064 km x 1.2 degree geostationary transfer orbit. Three hours later, a third DM-SL burn lowered the stage's perigee so that it would re-enter quickly.

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