+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   227222 (2005 RL10) Classification: Main-belt Asteroid          SPK-ID: 2227222 [ 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 .2441266122519776 3.8281e-08   a 2.412454274228641 8.2055e-09 au q 1.8235099850484 9.0485e-08 au i 1.91757680104212 4.9408e-06 deg node 33.91057962654615 0.00012366 deg peri 273.2596797392839 0.0001243 deg M 56.16990062462751 9.8958e-06 deg tp 2458986.955585070536 (2020-May-17.45558507) 3.7561e-05 TDB period 1368.63317399036 3.75 6.9827e-06 1.912e-08 d yr n .263036149379889 1.342e-09 deg/d Q 3.001398563408883 1.0209e-08 au   Orbit Determination Parameters    # obs. used (total)      441      data-arc span      9503 days (26.02 yr)      first obs. used      1994-11-30      last obs. used      2020-12-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57636      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:38:54   Additional Information  Earth MOID = .80795 au   Jupiter MOID = 2.26715 au   T_jup = 3.477  [ 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 17.15   n/a E2021B55   227222 (2005 RL10)          Discovered 2005-Sep-08 by LINEAR at Socorro Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-17 03:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin