+ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1790436916913015 5.6742e-08   a 2.642994494172308 1.9252e-08 au q 2.169783002815914 1.4744e-07 au i 6.702772277387848 7.5464e-06 deg node 205.7424338294924 4.2142e-05 deg peri 134.9026770219635 4.6838e-05 deg M 352.5389361732493 1.792e-05 deg tp 2459033.026779752692 (2020-Jul-02.52677975) 7.8165e-05 TDB period 1569.433124132486 4.30 1.7148e-05 4.695e-08 d yr n .2293821854938816 2.5063e-09 deg/d Q 3.116205985528702 2.2699e-08 au   Orbit Determination Parameters    # obs. used (total)      178      data-arc span      6194 days (16.96 yr)      first obs. used      2003-11-21      last obs. used      2020-11-05      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65755      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 07:03:43   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 ] 2021-Jan-23 14:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin