Open links in new tab
  1. Phobos 2 - Wikipedia

    • Phobos 2 was the last space probe designed by the Soviet Union. It was designed to explore the moons of Mars, Phobos and Deimos. It was launched on 12 July 1988, and entered orbit on 29 January 1989. Phobos 2 operated nominally throughout its cruise and Mars orbital insertion phase on 29 January 1989, gathering data on the Sun, interplanetary … See more

    Mission typeOrbiter
    OperatorSoviet Union
    COSPAR ID1988-059A
    SATCAT no.19287
    Background

    The mission to Phobos was announced on 14 November 1984. Phobos was chosen as the target in order to avoid direct competition with previous American missions. The original 1986 launch plan was later m… See more

    Mission profile

    Phobos 2 started to develop problems during the interplanetary flight phase of the mission. By the time the probe reached Mars orbit, two of its three computers were malfunctioning. One computer was completely … See more

    Spacecraft design

    The Phobos 2 infrared spectrometer (ISM) obtained 45000 spectra in the near infrared (from 0.75 to 3.2 μm) in the equatorial areas of Mars, with a spatial resolution ranging from 7 to 25 km, and 400 spectra of Phobos at … See more

     
  1. Phobos 1, 2 Quicklook

  2. In Depth | Fobos 2 – NASA Solar System Exploration

    Feb 21, 2019 · Fobos 2. Goals: Fobos 1 and 2 were part of an ambitious Russian plan to explore Mars and its moon Phobos. Each spacecraft comprised an orbiter for long term studies of the planet and a lander to study geological and …

  3. 25 Years of Continuous Robotic Mars Exploration - NASA

  4. Phobos program - Wikipedia

  5. Fobos 1, 2 - Gunter's Space Page

    Jan 14, 2023 · Fobos-2 carried a unique lander called Hopper to make surface measurements on different locations on the surface of Phobos. This battery-powered lander would have had only a short lifetime. It featured spring …

  6. Phobos Project Information - NSSDCA

    Jul 7, 1988 · Phobos 2 operated nominally throughout its cruise and Mars orbital insertion phases, gathering data on the Sun, interplanetary medium, Mars, and Phobos. Shortly before the final phase of the mission, during which the …

  7. NASA - NSSDCA - Spacecraft - Details

    Shortly before the final phase of the mission, during which the spacecraft was to approach within 50 m of Phobos' surface and release two landers, one a mobile `hopper', the other a stationary platform, contact with Phobos 2 was lost.

  8. Phobos 1 and 2 to Mars - Solar System

  9. Phobos 2 Encounter - Nature