+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   469100 (2015 CO42) Classification: Main-belt Asteroid          SPK-ID: 2469100 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05510391133445878 8.2229e-08   a 3.002092106895098 4.2574e-08 au q 2.836665089618872 2.6189e-07 au i 10.57896578943467 8.0453e-06 deg node 173.8094117026963 2.8558e-05 deg peri 5.72368240618381 5.7868e-05 deg M 346.9755047046312 5.0343e-05 deg tp 2459069.237360023495 (2020-Aug-07.73736002) 0.00026594 TDB period 1899.916199997173 5.20 4.0415e-05 1.107e-07 d yr n .1894820413661064 4.0307e-09 deg/d Q 3.167519124171324 4.492e-08 au   Orbit Determination Parameters    # obs. used (total)      170      data-arc span      6404 days (17.53 yr)      first obs. used      2002-10-10      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55112      source      ORB      producer      Otto Matic      solution date      2020-May-22 04:45:28   Additional Information  Earth MOID = 1.84048 au   Jupiter MOID = 1.79092 au   T_jup = 3.224  [ hide covariance matrix ] Orbital Elements at Epoch 2457771.5 (2017-Jan-18.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0560238542835686 8.2348e-08   q 2.833385853951847 2.6213e-07 au tp 2457166.613140294283 (2015-May-24.11314029) 0.00025616 TDB node 173.8320433479125 2.8556e-05 deg peri 5.265742918344927 5.6967e-05 deg i 10.57993465828388 8.0462e-06 deg   Orbit Determination Parameters    # obs. used (total)      170      data-arc span      6404 days (17.53 yr)      first obs. used      2002-10-10      last obs. used      2020-04-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55112      source      ORB      producer      Otto Matic      solution date      2020-May-22 04:45:28   Additional Information  Jupiter MOID = 1.79092 au   T_jup = 3.224  Orbit Covariance (6×6)   e q tp node peri i e 6.781133164992157E-15 -2.135651833257291E-14 -6.874723452413041E-12 -2.392371465062643E-14 -1.158343339829926E-12 -1.003399504760099E-14 q -2.135651833257291E-14 6.871433240854051E-14 2.085085893918402E-11 7.909432760584123E-14 3.578957797119255E-12 3.292917745727215E-14 tp -6.874723452413041E-12 2.085085893918402E-11 6.561556070946286E-8 8.24345602861448E-12 1.263235269503123E-8 3.344134161901259E-11 node -2.392371465062643E-14 7.909432760584123E-14 8.24345602861448E-12 8.154454541704056E-10 -7.996642607118965E-10 -8.786327018248165E-11 peri -1.158343339829926E-12 3.578957797119255E-12 1.263235269503123E-8 -7.996642607118965E-10 3.245249931653566E-9 9.283851125765576E-11 i -1.003399504760099E-14 3.292917745727215E-14 3.344134161901259E-11 -8.786327018248165E-11 9.283851125765576E-11 6.474079351114286E-11 [ 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 16.2   n/a MPO419281   469100 (2015 CO42)          Discovered 2007-Sep-14 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2016-06-21 [ show close-approach data ] Alternate Designations  2015 CO42 = 2007 RB258 = 2010 CR82  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 10:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin