PIA22250: Mars Odyssey Observes Deimos

Mars Odyssey Observes Deimos


Colors in this image of the Martian moon Deimos indicate a range of surface temperatures detected by observing the moon on February 15, 2018, with the Thermal Emission Imaging System (THEMIS) camera on NASA's Mars Odyssey orbiter.

The left edge of the small moon is in darkness, and the right edge in sunlight. Temperature information was derived from thermal-infrared imaging such as the grayscale image shown smaller at lower left with the moon in the same orientation. The color-coding merges information from THEMIS observations made in 10 thermal-infrared wavelength bands.

This was the first observation of Deimos by Mars Odyssey; the spacecraft first imaged Mars' other moon, Phobos, on September 29, 2017. Researchers have been using THEMIS to examine Mars since early 2002, but the maneuver turning the orbiter around to point the camera at Phobos was developed only recently.

Background Info:

THEMIS was developed by and is operated by a team based at Arizona State University, Tempe. NASA's Jet Propulsion Laboratory, Pasadena, California, manages the Mars Odyssey mission for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, built the orbiter and partners in its operation. JPL is a division of Caltech in Pasadena.

Cataloging Keywords:

Name Value Additional Values
Target Deimos Mars, Sun
System Mars
Target Type Satellite Planet, Sun
Mission 2001 Mars Odyssey
Instrument Host 2001 Mars Odyssey
Host Type Orbiter
Instrument Thermal Emission Imaging System (THEMIS)
Extra Keywords Color, Infrared
Acquisition Date
Release Date 2018-02-22
Date in Caption 2017-09-29 2018-02-15
Image Credit NASA/JPL-Caltech/ASU/SSI
Source photojournal.jpl.nasa.gov/catalog/PIA22250
Identifier PIA22250