Designation
|
Spacetrack catalog number
|
107
|
|
COSPAR ID
|
1961-013-A
|
|
Name in Spacetrack catalog
|
EXPLORER 11
|
Satellite Details
|
Orbit
|
464 x 1,208 km, 28.8°
|
| Category | unknown |
| Country/organisation of origin | United States |
| Intrinsic brightness (Magnitude) | 7.2 (at 1000km distance, 50% illuminated) | | Maximum brightness (Magnitude) | 3.9 (at perigee, 100% illuminated) |
Launch
|
Date
(UTC)
|
27 April 1961 14:16
|
| Launch site | Cape Canaveral Space Force Station,
United States |
| Launch vehicle | Juno II |
|
|