+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0630861922784097 4.7499e-08   a 2.815003136266272 2.5679e-08 au q 2.637415307147451 1.3768e-07 au i 4.524678480475774 4.9013e-06 deg node 18.24390462540908 6.339e-05 deg peri 304.2934578139815 7.2608e-05 deg M 187.2873983291503 3.6771e-05 deg tp 2460028.133911066091 (2023-Mar-24.63391107) 0.00017921 TDB period 1725.109836233103 4.72 2.3605e-05 6.463e-08 d yr n .2086823647044324 2.8555e-09 deg/d Q 2.992590965385092 2.7299e-08 au   Orbit Determination Parameters    # obs. used (total)      244      data-arc span      8829 days (24.17 yr)      first obs. used      1997-01-09      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56438      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:37:22   Additional Information  Earth MOID = 1.62656 au   Jupiter MOID = 2.21352 au   T_jup = 3.312  [ hide covariance matrix ] Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06461312585648578 4.7767e-08   q 2.63148557828873 1.3856e-07 au tp 2456567.256657778814 (2013-Oct-01.75665778) 0.00016602 TDB node 18.29947429642884 6.3423e-05 deg peri 302.0192744163965 7.215e-05 deg i 4.52646865970501 4.9008e-06 deg   Orbit Determination Parameters    # obs. used (total)      244      data-arc span      8829 days (24.17 yr)      first obs. used      1997-01-09      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56438      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 00:37:22   Additional Information  Jupiter MOID = 2.21352 au   T_jup = 3.312  Orbit Covariance (6×6)   e q tp node peri i e 2.28167796870659E-15 -6.520391129035826E-15 8.462124116160946E-13 2.016282118360429E-15 1.624888950268797E-13 -1.247129882440594E-15 q -6.520391129035826E-15 1.919975393054512E-14 -2.224015866266693E-12 -5.237946284356832E-15 -3.906406421968455E-13 4.135022139525492E-15 tp 8.462124116160946E-13 -2.224015866266693E-12 2.756366380726906E-8 2.303495776143506E-11 5.738946570554776E-9 -1.764492607896689E-12 node 2.016282118360429E-15 -5.237946284356832E-15 2.303495776143506E-11 4.022423735097118E-9 -4.004693976567741E-9 -6.12765121337745E-11 peri 1.624888950268797E-13 -3.906406421968455E-13 5.738946570554776E-9 -4.004693976567741E-9 5.205577455534939E-9 6.077385407502519E-11 i -1.247129882440594E-15 4.135022139525492E-15 -1.764492607896689E-12 -6.12765121337745E-11 6.077385407502519E-11 2.401808236952766E-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-Apr-19 01:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin