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 ASTRO-1 in Columbia's payload bay | |
| Names | Space Transportation System-35 |
|---|---|
| Mission type | Astronomical observations |
| Operator | NASA |
| COSPAR ID | 1990-106A |
| SATCAT no. | 20980 |
| Mission duration | 8 days, 23 hours, 5 minutes, 8 seconds |
| Distance travelled | 6,000,658 km (3,728,636 mi) |
| Orbits completed | 144 |
| Spacecraft properties | |
| Spacecraft | Space Shuttle Columbia |
| Launch mass | 121,344 kg (267,518 lb) |
| Landing mass | 102,208 kg (225,330 lb) |
| Payload mass | 12,095 kg (26,665 lb) |
| Crew | |
| Crew size | 7 |
| Members | |
| Start of mission | |
| Launch date | December 2, 1990, 06:49:01 UTC (1:49:01 am EST) |
| Launch site | Kennedy, LC-39B |
| Contractor | Rockwell International |
| End of mission | |
| Landing date | December 11, 1990, 05:54:09 UTC (9:54:09 pm PST) |
| Landing site | Edwards, Runway 22 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | 352 km (219 mi) |
| Apogee altitude | 362 km (225 mi) |
| Inclination | 28.46° |
| Period | 91.70 minutes |
| Instruments | |
| |
 STS-35 mission patch  Back row: Parker, Parise, Hoffman and Durrance Front row: Gardner, Brand and Lounge | |
STS-35 was the tenth flight of Space Shuttle Columbia, the 38th shuttle mission. It was devoted to astronomical observations with ASTRO-1, a Spacelab observatory consisting of four telescopes. The mission launched from Kennedy Space Center in Florida on December 2, 1990.