+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5212 (1989 SS) Classification: Main-belt Asteroid          SPK-ID: 2005212 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07753262780703501 6.7635e-08   a 3.028298359854522 3.7489e-08 AU q 2.793506430231267 1.9931e-07 AU i 11.39726285855861 8.777e-06 deg node 230.0110004482542 3.9395e-05 deg peri 226.9411675641347 7.6367e-05 deg M 93.30726082320079 6.4826e-05 deg tp 2455901.604762269767 (2011-Dec-06.10476227) 0.00034543 JED period 1924.847905707953 5.27 3.5743e-05 9.786e-08 d yr n .1870277640807123 3.473e-09 deg/d Q 3.263090289477777 4.0396e-08 AU   Orbit Determination Parameters    # obs. used (total)      975      data-arc span      12171 days (33.32 yr)      first obs. used      1979-12-23      last obs. used      2013-04-19      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .54156      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:15:48   Additional Information  Earth MOID = 1.82289 AU   T_jup = 3.209  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.6 mag n/a PDS3 (MPC 20137)   5212 (1989 SS)          Discovered 1989-Sep-29 by Ueda and Kaneda at Kushiro (399) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1989 SS = 1979 VO2 = 1979 YH6  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 07:15 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin