+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5885 Apeldoorn (3137 T-2) Classification: Main-belt Asteroid          SPK-ID: 2005885 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256907 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0533049 n/a   a 3.1208751 n/a AU q 2.9545172 n/a AU i 5.66785 n/a deg node 160.94979 n/a deg peri 37.34282 n/a deg M 230.87144 n/a deg tp 2457122.8252857 (2015-Apr-10.32528570) n/a JED period 2013.7845792 5.51 n/a n/a d yr n 0.17876788 n/a deg/d Q 3.2872330 n/a AU   Orbit Determination Parameters    # obs. used (total)      1118      first obs. used      1973-??-??      last obs. used      2013-03-05      # oppositions      19      planetary ephem.      DE403      condition code      0      fit RMS      0.56      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.206  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.9 mag n/a PDS3 (MPC 28114)   5885 Apeldoorn (3137 T-2)          Discovered 1973-Sep-30 by van Houten and Gehrels at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  3137 T-2 = 1971 FQ = 1982 HU2 = 1988 PG3  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-26 07:58 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin