+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   7819 (1990 RR3) Classification: Main-belt Asteroid          SPK-ID: 2007819 [ 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 .1685797185001369 6.9614e-08   a 2.563923672890736 2.5303e-08 AU q 2.131698141858978 1.7825e-07 AU i 2.733199284909845 6.3156e-06 deg node 36.18701778602643 0.0001422 deg peri 234.0603452449758 0.00014313 deg M 245.1057271647799 2.6301e-05 deg tp 2456879.077134823583 (2014-Aug-09.57713482) 0.00011451 JED period 1499.53312976342 4.11 2.2198e-05 6.077e-08 d yr n .240074722494992 3.5539e-09 deg/d Q 2.996149203922493 2.9569e-08 AU   Orbit Determination Parameters    # obs. used (total)      928      data-arc span      11661 days (31.93 yr)      first obs. used      1981-05-08      last obs. used      2013-04-11      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53594      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:28:11   Additional Information  Earth MOID = 1.11719 AU   T_jup = 3.412  [ 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 14.0 mag n/a PDS3 (MPC 30436)   7819 (1990 RR3)          Discovered 1990-Sep-14 by Holt, H. E. at Palomar (675) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1990 RR3 = 1981 JA5 = 1997 EX17  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-20 04:07 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin