+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1920318649221516 4.7038e-08   a 2.632560269399121 1.2077e-08 au q 2.127024811346446 1.2863e-07 au i 10.60741298289985 3.0215e-06 deg node 264.9720797480361 2.5219e-05 deg peri 99.53169501807085 2.7827e-05 deg M 3.955531383334415 9.4029e-06 deg tp 2459183.357733416755 (2020-Nov-29.85773342) 4.0741e-05 TDB period 1560.148402808516 4.27 1.0736e-05 2.939e-08 d yr n .2307472797792456 1.5878e-09 deg/d Q 3.138095727451796 1.4396e-08 au   Orbit Determination Parameters    # obs. used (total)      831      data-arc span      7762 days (21.25 yr)      first obs. used      1999-10-14      last obs. used      2021-01-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4611      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:01:25   Additional Information  Earth MOID = 1.15498 au   Jupiter MOID = 2.47294 au   T_jup = 3.349  [ 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 ] 2021-Apr-13 18:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin