Program

Viking

Payloads: 4
In orbit: 2
Operational (CelesTrak): 0
Re-entered: 2
First launch: 1975-08-20
Latest launch: 1975-09-09

Owners

Jet Propulsion Lab2
NASA Langley Research Center2

Built by

Jet Propulsion Lab2
Martin Marietta/Denver2

Payloads in this program

Name	NORAD	Launch date	Status
VIKING 1 ORBITER	8108	1975-08-20	-
VIKING 1 LANDER	9024	1975-08-20	Re-entered 1976-07-20
VIKING 2 ORBITER	8199	1975-09-09	-
VIKING 2 LANDER	9408	1975-09-09	Re-entered 1976-09-03

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