Mission type | Earth science |
---|---|
Operator | NASA |
COSPAR ID | 1972-091A |
SATCAT no. | 6282 |
Mission duration | 6 months and 24 days |
Spacecraft properties | |
Launch mass | 166.0 kilograms (366.0 lb) |
Start of mission | |
Launch date | 15 November 1972[1] |
Rocket | Scout D-1 |
Launch site | San Marco |
End of mission | |
Last contact | June 8, 1973 |
Decay date | 16 April 1979[1] |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Eccentricity | 0.01366 |
Perigee altitude | 443 kilometers (275 mi) |
Apogee altitude | 632 kilometers (393 mi) |
Inclination | 1.9 degrees |
Period | 95.40 minutes |
Epoch | 15 November 1972, 22:13:00 UTC |
The Small Astronomy Satellite 2, also known also as SAS-2, SAS B or Explorer 48, was a NASA gamma ray telescope. It was launched on 15 November 1972 into the low Earth orbit with a periapsis of 443 km and an apoapsis of 632 km. It completed its observations on 8 June 1973.[2][3]