Program

Explorer MME

Payloads: 3
In orbit: 1
Operational (CelesTrak): 0
Re-entered: 2
First launch: 1961-08-25
Latest launch: 1964-11-06

Owners

NASA Langley Research Center3

Built by

NASA Langley Research Center3

Payloads in this program

Name	NORAD	Launch date	Status
EXPLORER 13	180	1961-08-25	Re-entered 1961-08-28
EXPLORER 16	506	1962-12-16	-
EXPLORER 23	924	1964-11-06	Re-entered 1983-06-29

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