Names | TOS-A |
---|---|
Mission type | Weather satellite |
Operator | ESSA/NASA |
COSPAR ID | 1966-087A |
SATCAT no. | 2435 |
Spacecraft properties | |
Manufacturer | RCA Astro |
Launch mass | 145 kilograms (320 lb)[1] |
Start of mission | |
Launch date | October 2, 1966, 10:34[2] | UTC
Rocket | Delta C |
Launch site | Vandenberg LC-2E |
End of mission | |
Disposal | Decommissioned |
Deactivated | December 2, 1968 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Eccentricity | 0.00703 |
Perigee altitude | 1,383 kilometers (859 mi) |
Apogee altitude | 1,493 kilometers (928 mi) |
Inclination | 100.9° |
Period | 114.6 minutes |
Epoch | October 2, 1966 |
ESSA 3 (or TOS-A) was a spin-stabilized operational meteorological satellite.[3] Its name was derived from that of its oversight agency, the Environmental Science Services Administration (ESSA).