Designation
|
Spacetrack catalog number
|
16631
|
|
COSPAR ID
|
1986-014-H
|
|
Name in Spacetrack catalog
|
USA 18
|
Satellite Details
|
Orbit
|
367 x 1,492 km, 63.3°
|
| Category | unknown |
| Country/organisation of origin | United States |
| Intrinsic brightness (Magnitude) | 6.2 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 1.8 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
09 February 1986 10:06
|
| Launch site | Vandenberg Space Force Base,
United States |
| Launch vehicle | Atlas H |
|
|