+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226822 (2004 RV285) Classification: Main-belt Asteroid          SPK-ID: 2226822 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06300793283969308 4.7811e-08   a 2.815118214711949 2.8414e-08 au q 2.637743435303582 1.3768e-07 au i 4.524423877774123 4.9827e-06 deg node 18.25230623404737 6.5728e-05 deg peri 304.1783934805311 7.5631e-05 deg M 145.6748872541365 3.7601e-05 deg tp 2458302.387246569211 (2018-Jul-02.88724657) 0.00017945 TDB period 1725.215622076604 4.72 2.612e-05 7.151e-08 d yr n .2086695688314461 3.1593e-09 deg/d Q 2.992492994120316 3.0205e-08 au   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      8377 days (22.93 yr)      first obs. used      1997-01-09      last obs. used      2019-12-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5602      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 02:30:40   Additional Information  Earth MOID = 1.62884 au   Jupiter MOID = 2.21413 au   T_jup = 3.312  [ hide covariance matrix ] Orbital Elements at Epoch 2456902.5 (2014-Sep-02.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06471216670807807 4.8174e-08   q 2.63124162639001 1.3881e-07 au tp 2456567.358152822976 (2013-Oct-01.85815282) 0.00017376 TDB node 18.29964998489336 6.5757e-05 deg peri 302.0307233079026 7.5043e-05 deg i 4.526474942965855 4.9819e-06 deg   Orbit Determination Parameters    # obs. used (total)      223      data-arc span      8377 days (22.93 yr)      first obs. used      1997-01-09      last obs. used      2019-12-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5602      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 02:30:40   Additional Information  Jupiter MOID = 2.21413 au   T_jup = 3.312  Orbit Covariance (6×6)   e q tp node peri i e 2.320759869873765E-15 -6.564824032349678E-15 5.170388579715705E-13 -4.067726055622651E-15 9.675487994943997E-14 -1.475579788024239E-15 q -6.564824032349678E-15 1.926893192806963E-14 -1.894455266671793E-12 1.097435632173194E-14 -3.347999411744326E-13 4.944928176648209E-15 tp 5.170388579715705E-13 -1.894455266671793E-12 3.019177853146624E-8 1.887394126781126E-11 6.315170403642759E-9 -2.673738229967607E-12 node -4.067726055622651E-15 1.097435632173194E-14 1.887394126781126E-11 4.32401751241194E-9 -4.306146327554577E-9 -4.576363974921713E-11 peri 9.675487994943997E-14 -3.347999411744326E-13 6.315170403642759E-9 -4.306146327554577E-9 5.631387709298008E-9 4.511926425041416E-11 i -1.475579788024239E-15 4.944928176648209E-15 -2.673738229967607E-12 -4.576363974921713E-11 4.511926425041416E-11 2.481980611665569E-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 16.3   n/a MPO454629   226822 (2004 RV285)          Discovered 2004-Sep-15 by Spacewatch at Kitt Peak Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 10:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin