+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78515 (2002 RV90) Classification: Main-belt Asteroid          SPK-ID: 2078515 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1878508032778409 5.529e-08   a 2.43631640748474 1.1208e-08 au q 1.978652413299748 1.3976e-07 au i .728975603256653 5.3881e-06 deg node 323.3334650897742 0.00034646 deg peri 351.4353496417679 0.00034668 deg M 266.4915652357906 1.1584e-05 deg tp 2459361.283982756505 (2021-May-26.78398276) 4.5202e-05 TDB period 1388.989497256075 3.80 9.5849e-06 2.624e-08 d yr n .2591812254240753 1.7885e-09 deg/d Q 2.893980401669732 1.3314e-08 au   Orbit Determination Parameters    # obs. used (total)      476      data-arc span      7944 days (21.75 yr)      first obs. used      1998-08-17      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56808      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:35   Additional Information  Earth MOID = .964859 au   Jupiter MOID = 2.38942 au   T_jup = 3.480  [ hide covariance matrix ] Orbital Elements at Epoch 2456959.5 (2014-Oct-29.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1884493425071002 5.5407e-08   q 1.977037068515263 1.4006e-07 au tp 2456579.844478147313 (2013-Oct-14.34447815) 4.4333e-05 TDB node 323.476288595801 0.00034443 deg peri 350.7739325822411 0.00034465 deg i .732599929605381 5.391e-06 deg   Orbit Determination Parameters    # obs. used (total)      476      data-arc span      7944 days (21.75 yr)      first obs. used      1998-08-17      last obs. used      2020-05-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56808      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:26:35   Additional Information  Jupiter MOID = 2.38942 au   T_jup = 3.480  Orbit Covariance (6×6)   e q tp node peri i e 3.069905244396803E-15 -7.74877794447395E-15 7.795295207072216E-13 -7.321636657435591E-15 2.376661150704871E-13 -2.813915285886848E-16 q -7.74877794447395E-15 1.961776734887171E-14 -1.973284632613656E-12 1.506817809352482E-14 -5.958349265010366E-13 7.737330073683772E-16 tp 7.795295207072216E-13 -1.973284632613656E-12 1.965395933585711E-9 -1.56385806786573E-11 5.622324409630065E-10 -2.006721723817692E-13 node -7.321636657435591E-15 1.506817809352482E-14 -1.56385806786573E-11 1.186308341025752E-7 -1.186241305695938E-7 4.351037195746995E-10 peri 2.376661150704871E-13 -5.958349265010366E-13 5.622324409630065E-10 -1.186241305695938E-7 1.187812121734309E-7 -4.351199463088891E-10 i -2.813915285886848E-16 7.737330073683772E-16 -2.006721723817692E-13 4.351037195746995E-10 -4.351199463088891E-10 2.906260187406192E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.3   n/a MPO468739   78515 (2002 RV90)          Discovered 2002-Sep-05 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  2002 RV90 = 2000 AZ249  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 10:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin