+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   8365 (1990 RR5) Classification: Main-belt Asteroid          SPK-ID: 2008365 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ 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 .1439240112986123 6.4622e-08   a 2.264817128723773 1.545e-08 AU q 1.938855562700042 1.4259e-07 AU i 1.679233390928693 6.4243e-06 deg node 209.9647055055215 0.00021696 deg peri 175.5001578793632 0.00021835 deg M 207.6281522523853 2.5572e-05 deg tp 2456927.426901674838 (2014-Sep-26.92690167) 9.0451e-05 JED period 1244.939189272981 3.41 1.2739e-05 3.488e-08 d yr n .2891707507498679 2.9589e-09 deg/d Q 2.590778694747504 1.7673e-08 AU   Orbit Determination Parameters    # obs. used (total)      886      data-arc span      14451 days (39.56 yr)      first obs. used      1973-09-26      last obs. used      2013-04-20      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53206      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 13:30:51   Additional Information  Earth MOID = .942106 AU   T_jup = 3.603  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.9 mag n/a PDS3 (MPC 31358)   Alternate Designations  1990 RR5 = 1973 SH4 = 1973 UU = 1997 SS  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2013-May-22 05:44 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin