Contents. planet: 4 - Mars satellites: M1 - Phobos: 69 total number: 69 type: absolute dates: 2004-2007 observatory: Mars Express Reference. Willner K., Oberst J., Wahlisch M., Matz K.-D., Hoffmann H., Roatsch T., Jaumann R., Mertens, V. (2008) New astrometric observations of Phobos with the SRC on Mars Express. Astronomy and Astrophysics. V. 488. P. 361-364. 2008A&A___488__361W Informations. relative to: absolute reference frame: astrometric centre of frame: topocentre epoch of equinox: J2000 time scale: UTC reduction: no information coordinates: absolute diff. refraction: no information receptor: CCD at spacecraft telescope: Super Resolution Channel observers: spacecraft data included in standard data file: no Comments. no information Format. 1. Year of the moment of observation (at spacecraft) 2. Month of the moment of observation (at spacecraft) 3. Day of the moment of observation (at spacecraft) 5. Hour of the moment of observation (at spacecraft) 6. Minute of the moment of observation (at spacecraft) 7. Seconds of the moment of observation with decimals (at spacecraft) 8. Right ascension (J2000.0), Alpha, degrees 9. Declinationv(J2000.0), Delta, degrees 10. One sigma error of Right ascension/Declination, ePos, degrees 11. Mars centered x coordinate of spacecraft at the time of observation in J2000 geoequatorial frame, km 12. Mars centered y coordinate of spacecraft at the time of observation in J2000 geoequatorial frame, km 13. Mars centered z coordinate of spacecraft at the time of observation in J2000 geoequatorial frame, km ------------------------------------------------------------------------------------------- Year day min Alpha Delta ePos x y z month hour sec deg deg deg km km km -------------------------------------------------------------------------------------------