Phobos in 3D — live position and orbit

The larger and faster-orbiting of Mars' two small moons, shaped by ancient impacts.

Phobos is shown at its real position, computed from NASA/JPL ephemeris data. The view opens on Phobos; you can travel in time, switch between the educational overview and the true-scale voyage, and compare it with every other body of the solar system.

Radius

11.1 km

Mass

1.07 × 10¹⁶ kg

Surface gravity

0.01 m/s²

Mean temperature

-40 °C

Orbits

Mars

Distance from the Sun

0.000 AU

Orbital period

0.32 days

Axial tilt

0.0°

Known moons

0