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Mars 2 Lander

The primary scientific objective of the Mars 2 descent module was to perform a soft landing on Mars. The spacecraft impacted the surface and was destroyed.. Mars 2 Lander was launched on May 19, 1971 aboard a Proton-K/D from Baikonur. Latest status in GCAT: left for deep space attached to another object (May 22, 1971).

COSPAR 1971-045DNORAD 5739Soviet Union

Identity

Name in GCAT
SA Marsa-2
Common name
Mars 2 Lander
Payload designation
SA
International designator
1971-045D
NORAD catalog number
5739
GCAT identifier
S05739

Mission

Mission type
Deep space, Reentry vehicle
Use
Civil government
Program
3M SA
Owner
IKI
Country
Soviet Union
Builder
NPO Lavochkin
Platform (bus)
Mars SA

Launch

Date
May 19, 1971 · 16:22 UTC
Launch record
1971-045Success
Spaceport
Baikonur · pad LC81/24

Orbit and fate

Orbit class (GCAT)
EEO
Perigee
170 km
Inclination
51.00°
Status
Left for deep space attached to another object
Status date
May 22, 1971
Last known active
Nov 27, 1971
End of operations
Nov 27, 1971

Size

Mass
645 kg
Dry mass
645 kg
Total mass with attached objects
1,210 kg
Length
1.2 m
Diameter
1.20 m
Span
2.0 m

Deep space

Deep-space catalog entry
D00369
Final central body
Mars
Phase start
November 23, 1971
Phase outcome
Released · November 27, 1971

Flight phases

FromCentral bodyEndedOutcomeNext
May 20, 1971EarthMay 22, 1971Escaped to another body, attachedHCO
Nov 27, 1971MarsNov 27, 1971DeorbitedMars

Landings and impacts

WorldTypeResultTouchdownSiteCoordinates
MarsLander (parachute)Targeted impactNov 27, 1971—-44.20, -313.20

Launched together

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q112960233 (CC0).