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Delta 5920-8
Part of Thor
American orbital launch vehicle. Three stage vehicle consisting of 9 x Castor 4A + 1 x ELT Thor/RS-27 + 1 x Delta K with 2.4 m (8 foot) diameter fairing)
 Status: Retired 1989.  First Launch: 1989-11-18.  Last Launch: 1989-11-18.  Number:  1 . Payload: 3,848 kg (8,483 lb). Thrust: 3,468.90 kN (779,840 lbf). Gross mass: 201,580 kg (444,400 lb). Height: 34.00 m (111.00 ft). Diameter: 2.44 m (8.00 ft). Apogee: 185 km (114 mi). 
LEO Payload: 3,848 kg (8,483 lb) to a 185 km orbit. Payload: 1,405 kg (3,097 lb) to a GTO. Flyaway Unit Cost 1985$: 34.220 million.
More at: Delta 5920-8. 
Family: 
orbital launch vehicle. 
Country: 
USA. 
Spacecraft: 
COBE. 
Launch Sites: 
Vandenberg, 
Vandenberg SLC2W. 
Stages: 
Delta Thor RS27, 
Castor 4A engine, 
Delta K. 
Agency: 
Douglas. 
1989 November 18 - . 
14:34 GMT - . 
Launch Site: 
Vandenberg. 
Launch Complex: 
Vandenberg SLC2W. 
LV Family: 
Thor. 
Launch Vehicle: 
Delta 5920-8. 
- COBE - . 
Mass: 2,265 kg (4,993 lb). Nation: USA. 
Agency: NASA Greenbelt. 
Class: Astronomy. 
 Type: X-ray astronomy satellite. Spacecraft: COBE. 
 USAF Sat Cat:  20322 .  COSPAR: 1989-089A. Apogee: 886 km (550 mi). Perigee: 873 km (542 mi). Inclination: 98.90 deg. Period: 102.60 min. Cosmic Background Explorer; measured background galactic infrared radiation. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).. 
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