+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   441086 (2007 RK188) Classification: Main-belt Asteroid          SPK-ID: 2441086 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1790436898726821 5.7002e-08   a 2.642994498923429 3.3213e-08 au q 2.169783011522977 1.5177e-07 au i 6.702766921173495 8.108e-06 deg node 205.7423515493517 5.8566e-05 deg peri 134.9027623575936 6.5231e-05 deg M 352.5389311993881 3.3152e-05 deg tp 2459033.026801524128 (2020-Jul-02.52680152) 0.00014497 TDB period 1569.433128364371 4.30 2.9583e-05 8.099e-08 d yr n .229382184875366 4.3238e-09 deg/d Q 3.11620598632388 3.916e-08 au   Orbit Determination Parameters    # obs. used (total)      114      data-arc span      5667 days (15.52 yr)      first obs. used      2003-11-21      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .77342      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 10:34:45   Additional Information  Earth MOID = 1.16807 au   Jupiter MOID = 2.32877 au   T_jup = 3.362  [ 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 17.0   n/a MPO437715   441086 (2007 RK188)          Discovered 2007-Sep-10 by CSS at Catalina Reference: Last Updated: 2015-09-02 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-10 06:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin