+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   6716 (1990 RO1) Classification: Main-belt Asteroid          SPK-ID: 2006716 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO240254 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0563051 n/a   a 2.7908476 n/a AU q 2.6337086 n/a AU i 4.64654 n/a deg node 162.16880 n/a deg peri 261.44102 n/a deg M 240.86656 n/a deg tp 2456964.0517123 (2014-Nov-02.55171230) n/a JED period 1702.9527261 4.66 n/a n/a d yr n 0.21139753 n/a deg/d Q 2.9479866 n/a AU   Orbit Determination Parameters    # obs. used (total)      976      first obs. used      1976-??-??      last obs. used      2012-09-12      # oppositions      18      planetary ephem.      DE403      condition code      0      fit RMS      0.57      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 12.8 mag n/a PDS3 (MPC 28115)   SMASSII spectral type spec_B C   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) 6716 (1990 RO1)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 RO1 = 1976 SS1 = 1981 SK5 = 1981 UH16 = 1986 YE  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-19 14:02 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin