launched fromRussia
Mars-2M #521
Failure
MAR 27196910:40:00 UTCThird stage engine failure due to rotor imbalance.
LIFTOFF
MAR 27 196910:40:00 UTC
Failure
launched fromPad 81/23Baikonur
aboardProton K/D 8K82K/11S824240-01intoHeliocentric
Payload
Mars-2M #521
Mars orbiter