Viking 2

NASA mission which sent an orbiter and lander to Mars

Key facts

Mission type: Mars Orbiter/lander
Operator: NASA
Cospar id: Orbiter: 1975-083A Lander: 1975-083C
Satcat number span no: Orbiter: 8199 Lander: 9408
Website: Viking Project Information
Mission duration: Orbiter: 1050 days (1022 sol) , Lander: 1316 days (1281 sol) , Launch to last contact: 1,676 days
Manufacturer: Orbiter: JPL , Lander: Martin Marietta
Launch mass: 3,530 kg
Dry mass: Orbiter: 883 kg (1,947 lb), Lander: 572 kg (1,261 lb)
Power: Orbiter: 620 W, Lander: 70 W
Launch date: 18:39, September 9, 1975 (UTC) ( 1975-09-09T18:39:00Z )
Rocket: Titan IIIE
Launch site: Cape Canaveral LC-41
Contractor: Martin Marietta
Last contact: April 12, 1980 ( 1980-04-12 )
Reference system: Areocentric
Periareion altitude: 300 km (190 mi)
Apoareion altitude: 33,176 km (20,615 mi)

via Wikipedia infobox

Described at

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Wikidata facts

Image: Viking spacecraft.jpg

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Commons category: Viking 2
UTC date of spacecraft launch: 1975-09-09
native label: Viking 2
described at URL: nssdc.gsfc.nasa.gov/planetary/viking.html

Sources (2)

via Wikidata · CC0

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Article

The Viking 2 mission was part of the American Viking program to Mars, and consisted of an orbiter and a lander essentially identical to that of the Viking 1 mission. Viking 2 was operational on Mars for 1281 sols (1,316 days; 3 years, 221 days). The Viking 2 lander operated on the surface for 1,316 days, or 1281 sols, and was turned off on April 12, 1980, when its batteries eventually failed. The orbiter worked until July 25, 1978, returning almost 16,000 images in 706 orbits around Mars.

Mission profile