Geoscience Reference
In-Depth Information
Mission
(1960-1969)
Arrival
at Mars
Launch
Termination
Elements
Outcome
Mars 1 M
No. 1
10 October
1960
10 October
1960
Flyby
Launch failure
Mars 1 M
No. 2
14 October
1960
14 October
1960
Flyby
Launch failure
Mars
2MV-4 No. 1
24 October
1962
24 October
1962
Flyby
Broke up shortly
after launch
Mars 1
1 November
1962
21 March
1963
Flyby
Some data collected
but lost contact
before reaching
Mars, flyby at
approx. 193,000 km
Mars
2MV-3 No. 1
4 November
1962
19 January
1963
Lander
Failed to leave the
Earth's orbit
5 November
1964
5 November
1964
Flyby
Failure during launch
ruined trajectory
Mariner 3
28 November
1964
14 July
1965
21
December
1967
Flyby
Success (21 images
returned)
Mariner 4
Zond 2
30 November
1964
May 1965
Flyby
Communication lost
three months before
reaching Mars
25 February
1969
31 July
1969
August
1969
Flyby
Success
Mariner 6
27 March
1969
5 August
1969
August
1969
Flyby
Success
Mariner 7
Mars
2 M No. 521
27 March
1969
27 March
1969
Orbiter
Launch failure
Mars
2 M No. 522
2 April 1969
2April
1969
Orbiter
Launch failure
Mission
(1970-1989)
Arrival
at Mars
Launch
Termination
Elements
Outcome
8 May 1971
8 May 1971
Orbiter
Launch failure
Mariner 8
10 May 1971
12 May 1971
Orbiter
Launch failure
Kosmos 419
30 May 1971
13 November
1971
27 October
1972
Orbiter
Success (first
successful orbit)
Mariner 9
Mars 2
19 May 1971
27 November
1971
22 August
1972
Orbiter
Success
27 November
1971
Lander,
rover
Crashed on the
surface of Mars
(continued)
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