STS-44
| Atlantis deploys a Defense Support Program (DSP) satellite. | |
| Names | Space Transportation System-44 | 
|---|---|
| Mission type | DSP satellite deployment | 
| Operator | NASA | 
| COSPAR ID | 1991-080A | 
| SATCAT no. | 21795 | 
| Mission duration | 6 days, 22 hours, 50 minutes, 43 seconds | 
| Distance travelled | 4,651,112 km (2,890,067 mi) | 
| Orbits completed | 110 | 
| Spacecraft properties | |
| Spacecraft | Space Shuttle Atlantis | 
| Launch mass | 117,766 kg (259,630 lb) | 
| Landing mass | 87,919 kg (193,828 lb) | 
| Payload mass | 20,240 kg (44,620 lb) | 
| Crew | |
| Crew size | 6 | 
| Members | |
| Start of mission | |
| Launch date | November 24, 1991, 23:44:00 UTC (6:44 pm EST) | 
| Launch site | Kennedy, LC-39A | 
| Contractor | Rockwell International | 
| End of mission | |
| Landing date | December 1, 1991, 22:34:43 UTC (2:34:43 pm PST) | 
| Landing site | Edwards, Runway 5 | 
| Orbital parameters | |
| Reference system | Geocentric orbit | 
| Regime | Low Earth orbit | 
| Perigee altitude | 363 km (226 mi) | 
| Apogee altitude | 371 km (231 mi) | 
| Inclination | 28.45° | 
| Period | 91.90 minutes | 
| Instruments | |
| 
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| STS-44 mission patch Standing: Voss, Hennen and Runco Seated: Henricks, Gregory and Musgrave | |
STS-44 was a NASA Space Shuttle mission using Atlantis that launched on November 24, 1991. It was a U.S. Department of Defense (DoD) space mission.