Contents. planet: 4 - Mars satellites: M1 - Phobos: 435, M2 - Deimos: 146 total number: 581 type: absolute dates: 2004-2014 observatory: MARS EXPRESS probe Reference. Arlot J.E., Cooper N., Emelyanov N., Lainey V., et al. (2016) Natural satellites astrometric data from either space probes and ground-based observatories produced by the European consortium "ESPaCE". Notes scientifiques et techniques de l'institut de mecanique celeste. S105. Informations. relative to: absolute reference frame: astrometric centre of frame: MARS EXPRESS probe epoch of equinox: J2000 time scale: UTC reduction: HIPPARCOS, TYCHO-2 coordinates: absolute diff. refraction: no information receptor: CCD telescope: HRSC/SRC camera observers: MARS EXPRESS data included in standard data file: yes Comments. no information Format. 1. The moment of observation, JD, UTC 2. Number of satellite (N sat): 1 - Phobos, 2 - Deimos 3. Right ascension (degrees) 4. Declination (degrees) 5. Sigma Right ascension (degrees) 6. Sigma Declinaison (degrees) 7. image name 8. x coordinates of the Mars centered spacecraft location (km) 9. y coordinates of the Mars centered spacecraft location (km) 10. z coordinates of the Mars centered spacecraft location (km) 11. Number of source (NS): 1 - oberst_public 2 - willner_public 3 - pasewaldt_public 4 - pasewaldt_private --------------------------------------------------------------------------------------------------------------- Moment N R.A Decl Sigma Sigma image name Mars centered spacecraft location JD sat deg deg R.A. Decl. x y z NS (UTC) deg deg km km km ---------------------------------------------------------------------------------------------------------------