PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM LABEL_REVISION_NOTE = " 10 Mar 1999, A.C.Raugh First draft from available information 14 Mar 2004, T.L.Brown Added M1 information" OBJECT = TARGET TARGET_NAME = "PHOBOS" OBJECT = TARGET_INFORMATION TARGET_TYPE = "SATELLITE" PRIMARY_BODY_NAME = "MARS" ORBIT_DIRECTION = "PROGRADE" ROTATION_DIRECTION = "SYNCHRONOUS" TARGET_DESC = " Phobos (or M1 Phobos) is the first satellite of Mars. The following properties are from K.R. Lang, 'Astrophysical Data: Planets and Stars', pp.70-73: Distance from planet center: 9.37e03 km 2.76 planet radii Orbital period: 0.3189 days Eccentricity: 0.0150 degrees Inclination: 1.1 degrees Radius: 14 x 10 km Mass: 9.6e-5 1.e23 grams Density: <= 2 grams/cm^3 Visual Magnitude at Opposition: 11.6 at Unit Distance: +11.9 Geometric Visual Albedo: 0.06" END_OBJECT = TARGET_INFORMATION OBJECT = TARGET_REFERENCE_INFORMATION REFERENCE_KEY_ID = "UNK" END_OBJECT = TARGET_REFERENCE_INFORMATION END_OBJECT = TARGET END