+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78514 (2002 RF88) Classification: Main-belt Asteroid          SPK-ID: 2078514 [ 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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1486505435843674 3.766e-08   a 3.054817149702729 1.829e-08 au q 2.600716919848571 1.1257e-07 au i 1.473728111840191 3.9849e-06 deg node 235.368582133052 0.00019288 deg peri 183.3159342924075 0.00019376 deg M 73.58843967766214 1.7128e-05 deg tp 2458601.857726760791 (2019-Apr-28.35772676) 9.2674e-05 TDB period 1950.186999408253 5.34 1.7514e-05 4.795e-08 d yr n .1845976822270045 1.6578e-09 deg/d Q 3.508917379556887 2.1008e-08 au   Orbit Determination Parameters    # obs. used (total)      919      data-arc span      8174 days (22.38 yr)      first obs. used      1997-12-04      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53427      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:32:57   Additional Information  Earth MOID = 1.61307 au   Jupiter MOID = 1.82556 au   T_jup = 3.218  [ 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 15.0   n/a MPO493424   diameter diameter 5.404 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78514 (2002 RF88)          Discovered 2002-Sep-05 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2002 RF88 = 2000 KV81  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 12:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin