 ESSA 5 prior to launch | |
| Names | TOS-C |
|---|---|
| Mission type | Weather |
| Operator | NASA |
| COSPAR ID | 1967-036A |
| SATCAT no. | S02757 |
| Spacecraft properties | |
| Launch mass | 145 kg (320 lb) |
| Start of mission | |
| Launch date | April 20, 1967, 11:17 UTC GMT |
| Rocket | Delta |
| Launch site | Vandenberg Air Force Base |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Eccentricity | 0.00399 |
| Perigee altitude | 1,361 km (846 mi) |
| Apogee altitude | 1,423 km (884 mi) |
| Inclination | 101.970° |
| Period | 113.63 minutes |
ESSA program | |
ESSA-5 (or TOS-C) was a spin-stabilized operational meteorological satellite.[1] Its name was derived from that of its oversight agency, the Environmental Science Services Administration (ESSA).