Designation
|
Spacetrack catalog number
|
731
|
|
COSPAR ID
|
1964-001-E
|
|
Name in Spacetrack catalog
|
GREB
|
Satellite Details
|
Orbit
|
898 x 915 km, 69.9°
|
| Category | unknown |
| Country/organisation of origin | United States |
| Intrinsic brightness (Magnitude) | 7.2 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 6.7 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
11 January 1964 20:07
|
| Launch site | Vandenberg Space Force Base,
United States |
| Launch vehicle | Thor SLV-2A Agena D |
|
|