+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7245 (1991 RN10) Classification: Main-belt Asteroid          SPK-ID: 2007245 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO250280 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.1145707 n/a   a 2.7674622 n/a AU q 2.4503921 n/a AU i 5.70993 n/a deg node 3.36161 n/a deg peri 4.37133 n/a deg M 249.22593 n/a deg tp 2456917.9359271 (2014-Sep-17.43592710) n/a JED period 1681.5932984 4.60 n/a n/a d yr n 0.21408268 n/a deg/d Q 3.0845323 n/a AU   Orbit Determination Parameters    # obs. used (total)      953      first obs. used      1979-??-??      last obs. used      2012-04-21      # oppositions      17      planetary ephem.      DE403      condition code      0      fit RMS      0.53      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.322  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.7 mag n/a PDS3 (MPC 28065)   SMASSII spectral type spec_B L   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 7245 (1991 RN10)          Discovered 1991-Sep-10 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1991 RN10 = 1973 YW = 1979 BZ = 1982 UD10 = 1982 VW9 = 1987 WN2 = 1991 TS5  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-23 07:04 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin