Designation
|
Spacetrack catalog number
|
20547
|
|
COSPAR ID
|
1990-028-B
|
|
Name in Spacetrack catalog
|
USA 55
|
Satellite Details
|
Orbit
|
411 x 503 km, 94.1°
|
| Category | unknown |
| Country/organisation of origin | United States |
| Intrinsic brightness (Magnitude) | 9.2 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 5.3 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
05 April 1990 19:10
|
| Launch site | [ls.EAFB.name],
United States |
| Launch vehicle | Pegasus |
|
|