+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   32822 (1991 RB16) Classification: Main-belt Asteroid          SPK-ID: 2032822 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO233699 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1811301 n/a   a 2.1682777 n/a AU q 1.7755373 n/a AU i 3.15061 n/a deg node 42.80167 n/a deg peri 285.44649 n/a deg M 293.25478 n/a deg tp 2456616.7163090 (2013-Nov-20.21630900) n/a JED period 1166.1939424 3.19 n/a n/a d yr n 0.30869651 n/a deg/d Q 2.5610181 n/a AU   Orbit Determination Parameters    # obs. used (total)      763      first obs. used      1971-??-??      last obs. used      2012-06-10      # oppositions      13      planetary ephem.      DE403      condition code      0      fit RMS      0.58      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.668  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.5 mag n/a PDS3 (MPO 21200)   32822 (1991 RB16)          Discovered 1991-Sep-15 by Holt, H. E. at Palomar (675) Reference: 20020128/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RB16 = 1971 GM = 2000 GA76  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-Jun-19 04:28 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin