Transit Research and Attitude Control
Artist's impression of TRAAC in orbit | |
| Mission type | Technology |
|---|---|
| Operator | United States Navy |
| Harvard designation | 1961 Alpha Eta 2 |
| COSPAR ID | 1961-031B |
| SATCAT no. | 205 |
| Mission duration | 270 days |
| Spacecraft properties | |
| Launch mass | 109 kilograms (240 lb) |
| Start of mission | |
| Launch date | November 15, 1961, 22:26 UTC |
| Rocket | Thor DM-21 Ablestar |
| Launch site | Cape Canaveral LC-17B |
| End of mission | |
| Last contact | August 12, 1962 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Semi-major axis | 7,405.20 kilometers (4,601.38 mi) |
| Eccentricity | 0.0102037 |
| Perigee altitude | 958 kilometers (595 mi) |
| Apogee altitude | 1,109 kilometers (689 mi) |
| Inclination | 32.44 degrees |
| Period | 105.8 minutes |
| Epoch | February 7, 2014, 04:46:58 UTC |
The Transit Research and Attitude Control (TRAAC) satellite was launched by the U. S. Navy from Cape Canaveral along with Transit 4B on November 15, 1961.