Designation
|
Spacetrack catalog number
|
4
|
|
COSPAR ID
|
1958-001-A
|
|
Name in Spacetrack catalog
|
EXPLORER 1
|
Satellite Details
|
Orbit
|
decayed March 31, 1970
|
| Category | unknown |
| Country/organisation of origin | United States |
| Mass | 14 kg |
Launch
|
Date
(UTC)
|
01 February 1958 03:47
|
| Launch site | Cape Canaveral Space Force Station,
United States |
| Launch vehicle | Jupiter C |
Description
| First satellite launched by the USA. Discovered Van Allen radiation belts. |
|
|