PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM LABEL_REVISION_NOTE = "2005-02-10 A.C.Raugh Corrected ROTATION_DIRECTION 2005-10-11 A.C.Raugh Corrected PRIMARY_BODY_NAME" OBJECT = TARGET TARGET_NAME = "1P/HALLEY 1 (1682 Q1)" OBJECT = TARGET_INFORMATION TARGET_TYPE = "COMET" PRIMARY_BODY_NAME = "SUN" ORBIT_DIRECTION = "RETROGRADE" ROTATION_DIRECTION = "N/A" TARGET_DESC = " Target Description ================== Note that this comet is also found in the PDS archive listed as the target name 'HALLEY'. Target Parameters ================= A_AXIS_RADIUS: 3.500000 B_AXIS_RADIUS: 4.000000 BOND_ALBEDO : 0.027000 C_AXIS_RADIUS: 7.500000 REVOLUTION_PERIOD : 27854.764000 ORBITAL_ECCENTRICITY : 0.967810 ORBITAL_INCLINATION : 162.239250 ORBITAL_SEMIMAJOR_AXIS : 2670000000.000000 ASCENDING_NODE_LONGITUDE: 58.142500 PERIAPSIS_ARGUMENT_ANGLE: 111.843450 The nucleus of this comet is in an excited rotational state." END_OBJECT = TARGET_INFORMATION OBJECT = TARGET_REFERENCE_INFORMATION REFERENCE_KEY_ID = "N/A" END_OBJECT = TARGET_REFERENCE_INFORMATION END_OBJECT = TARGET END