+ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06300793040112873 4.8356e-08   a 2.815118208526312 2.8923e-08 au q 2.637743436372536 1.4002e-07 au i 4.524417836779907 5.0353e-06 deg node 18.25230686242528 6.6046e-05 deg peri 304.1783576440279 7.5998e-05 deg M 145.6749201374784 3.7657e-05 deg tp 2458302.387091284438 (2018-Jul-02.88709128) 0.00017984 TDB period 1725.2156163904 4.72 2.6588e-05 7.279e-08 d yr n .2086695695192081 3.2159e-09 deg/d Q 2.992492980680089 3.0746e-08 au   Orbit Determination Parameters    # obs. used (total)      215      data-arc span      7919 days (21.68 yr)      first obs. used      1997-01-09      last obs. used      2018-09-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58952      source      ORB      producer      Otto Matic      solution date      2018-Oct-03 12:18:03   Additional Information  Earth MOID = 1.62884 au   Jupiter MOID = 2.21413 au   T_jup = 3.312  [ hide covariance matrix ] Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06472589957671783 4.8697e-08   q 2.631247251504241 1.4107e-07 au tp 2456567.406108304501 (2013-Oct-01.90610830) 0.00017457 TDB node 18.29957967138727 6.6075e-05 deg peri 302.0414574422314 7.5414e-05 deg i 4.526450089401688 5.0347e-06 deg   Orbit Determination Parameters    # obs. used (total)      215      data-arc span      7919 days (21.68 yr)      first obs. used      1997-01-09      last obs. used      2018-09-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58952      source      ORB      producer      Otto Matic      solution date      2018-Oct-03 12:18:03   Additional Information  Jupiter MOID = 2.21413 au   T_jup = 3.312  Orbit Covariance (6×6)   e q tp node peri i e 2.371422992043677E-15 -6.743867546577305E-15 6.381094830738183E-13 -3.264106586186674E-15 1.225243721622461E-13 -1.610918945760709E-15 q -6.743867546577305E-15 1.990105605480604E-14 -2.321841083832484E-12 8.45017354361353E-15 -4.261084762045693E-13 5.383284008045731E-15 tp 6.381094830738183E-13 -2.321841083832484E-12 3.047414990528416E-8 1.748550396733135E-11 6.378512295545641E-9 -2.629993408371613E-12 node -3.264106586186674E-15 8.45017354361353E-15 1.748550396733135E-11 4.365931701348106E-9 -4.348227944194695E-9 -5.046365751807109E-11 peri 1.225243721622461E-13 -4.261084762045693E-13 6.378512295545641E-9 -4.348227944194695E-9 5.687229024059065E-9 4.981331373087736E-11 i -1.610918945760709E-15 5.383284008045731E-15 -2.629993408371613E-12 -5.046365751807109E-11 4.981331373087736E-11 2.53478526028971E-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 ] 2020-Sep-18 21:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin