Program

ExplorerG

Payloads: 5
In orbit: 2
Operational (CelesTrak): 0
Re-entered: 3
First launch: 1959-08-07
Latest launch: 1961-04-27

Owners

NASA Goddard Space Flight Center5

Built by

NASA Marshall Space Flight Center2
U.S. Army Ballistic Missile Agency1
NASA Goddard Space Flight Center1
TRW Inc.1

Payloads in this program

Name	NORAD	Launch date	Status
EXPLORER 6	15	1959-08-07	Re-entered 1961-06-30
EXPLORER 7	22	1959-10-13	-
EXPLORER 8	60	1960-11-03	Re-entered 2012-03-28
EXPLORER 10	98	1961-03-25	Re-entered 1961-06-30
EXPLORER 11	107	1961-04-27	-

From GCAT by Jonathan McDowell (CC BY 4.0). Roles are counted from the catalogue itself, not from GCAT type labels, which GCAT describes as patchy. About this source