+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243763 (2000 RF18) Classification: Main-belt Asteroid          SPK-ID: 2243763 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .267532315488859 9.7198e-08   a 3.166847630276376 2.8668e-08 au q 2.319613550948131 3.1444e-07 au i 15.25843404100248 1.0222e-05 deg node 331.6664640922945 2.2024e-05 deg peri 7.236011297252437 2.5251e-05 deg M 178.8315805712409 1.0012e-05 deg tp 2457977.958616544275 (2017-Aug-12.45861654) 5.3905e-05 TDB period 2058.444581590082 5.64 2.7952e-05 7.653e-08 d yr n .1748893330525866 2.3748e-09 deg/d Q 4.014081709604621 3.6338e-08 au   Orbit Determination Parameters    # obs. used (total)      279      data-arc span      7086 days (19.40 yr)      first obs. used      2000-09-01      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54173      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 09:24:49   Additional Information  Earth MOID = 1.31122 au   Jupiter MOID = 1.39272 au   T_jup = 3.093  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.3   n/a MPO427391   diameter diameter 5.840 km 0.339 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   243763 (2000 RF18)          Discovered 2000-Sep-01 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ show close-approach data ] Alternate Designations  2000 RF18 = 2006 SZ104  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 12:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin