+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118786 (2000 RJ98) Classification: Main-belt Asteroid          SPK-ID: 2118786 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1384485796215585 5.1744e-08   a 2.580999937398877 1.5819e-08 au q 2.223664162062671 1.3363e-07 au i 9.789568860860856 5.2586e-06 deg node 277.7737682429198 3.2522e-05 deg peri 85.05983436797511 3.9034e-05 deg M 318.4763211467312 2.5693e-05 deg tp 2459375.192291090876 (2021-Jun-09.69229109) 0.00010917 TDB period 1514.538849386284 4.15 1.3924e-05 3.812e-08 d yr n .237696114659507 2.1852e-09 deg/d Q 2.938335712735082 1.8009e-08 au   Orbit Determination Parameters    # obs. used (total)      641      data-arc span      7285 days (19.95 yr)      first obs. used      2000-09-05      last obs. used      2020-08-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .55814      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:58:52   Additional Information  Earth MOID = 1.24513 au   Jupiter MOID = 2.57494 au   T_jup = 3.391  [ 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 15.05   n/a E2021B55   diameter diameter 2.733 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.259   0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118786 (2000 RJ98)          Discovered 2000-Sep-05 by LONEOS at Anderson Mesa Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2000 RJ98 = 2002 AS32  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 05:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin