+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160335 (2003 RK3) Classification: Main-belt Asteroid          SPK-ID: 2160335 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1923944477717793 6.3922e-08   a 2.633825379021394 1.7022e-08 au q 2.127091999697275 1.6629e-07 au i 10.60810104172804 5.747e-06 deg node 264.9796803464604 3.5306e-05 deg peri 99.47135048221902 3.8095e-05 deg M 317.87524674444 1.4811e-05 deg tp 2459183.189574091111 (2020-Nov-29.68957409) 6.5085e-05 TDB period 1561.273161027224 4.27 1.5136e-05 4.144e-08 d yr n .2305810469214379 2.2354e-09 deg/d Q 3.140558758345512 2.0297e-08 au   Orbit Determination Parameters    # obs. used (total)      407      data-arc span      7140 days (19.55 yr)      first obs. used      1999-10-14      last obs. used      2019-05-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56132      source      ORB      producer      Otto Matic      solution date      2019-May-30 07:33:08   Additional Information  Earth MOID = 1.1565 au   Jupiter MOID = 2.46976 au   T_jup = 3.348  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO436808   160335 (2003 RK3)          Discovered 2003-Sep-01 by LINEAR at Socorro Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-10 07:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin