The spacecrafts Phobos 1 and 2 were launched on 7 and 12 July 1988. The mission was to have three stages: investigations of Sun and interplanetary space during the flight from Earth to Mars; studies of both Mars and Phobos during the orbit of the spacecraft around Mars; and studies of Phobos as the spacecraft approached to within 50 m of its surface. Contact with Phobos 1 was lost on 1 September 1988 during the cruise phase; contact was lost with Phobos 2 just before the third stage of the mission. However, valuable data on Mars, Phobos, and Jupiter were acquired prior to loss of contact. Those data have been saved and archived at SBN for historical reasons; they are not considered to be of archival quality.
Use the Small Bodies Data Ferret to find other datasets for this mission/target.