+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   9050 (1991 RF29) Classification: Main-belt Asteroid          SPK-ID: 2009050 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO234892 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0417208 n/a   a 2.3828601 n/a AU q 2.2834453 n/a AU i 10.05341 n/a deg node 276.91270 n/a deg peri 8.41232 n/a deg M 37.77338 n/a deg tp 2456259.5290670 (2012-Nov-28.02906700) n/a JED period 1343.5264696 3.68 n/a n/a d yr n 0.26795155 n/a deg/d Q 2.4822749 n/a AU   Orbit Determination Parameters    # obs. used (total)      729      first obs. used      1951-??-??      last obs. used      2012-07-08      # oppositions      17      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.515  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.4 mag n/a PDS3 (MPC 32185)   9050 (1991 RF29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675) Reference: 19980808/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1991 RF29 = 1971 BG3 = 1984 WZ2 = 1994 NH9 = 1995 WV8  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-22 12:29 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin