Designation
|
Spacetrack catalog number
|
2657
|
|
COSPAR ID
|
1967-006-A
|
|
Name in Spacetrack catalog
|
ESSA 4 (TOS-B)
|
Satellite Details
|
Orbit
|
1,326 x 1,439 km, 102.1°
|
| Category | unknown |
| Country/organisation of origin | United States |
| Intrinsic brightness (Magnitude) | 8.7 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 9.9 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
26 January 1967 17:31
|
| Launch site | Vandenberg Space Force Base,
United States |
| Launch vehicle | Thor Delta E |
|
|