+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212949 (2009 BV23) Classification: Main-belt Asteroid          SPK-ID: 2212949 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03659027002471751 4.9007e-08   a 2.195621598656806 1.3488e-08 au q 2.115283211489851 1.0629e-07 au i 6.833925445072806 6.5291e-06 deg node 339.7699224085269 5.0461e-05 deg peri 158.4097248964636 0.00011326 deg M 173.5733696206377 0.00010042 deg tp 2458427.551928139176 (2018-Nov-05.05192814) 0.00033129 TDB period 1188.323452616618 3.25 1.095e-05 2.998e-08 d yr n .3029478204838095 2.7916e-09 deg/d Q 2.27595998582376 1.3982e-08 au   Orbit Determination Parameters    # obs. used (total)      275      data-arc span      9540 days (26.12 yr)      first obs. used      1993-03-21      last obs. used      2019-05-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64382      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 02:52:44   Additional Information  Earth MOID = 1.12858 au   Jupiter MOID = 2.71218 au   T_jup = 3.659  [ hide covariance matrix ] Orbital Elements at Epoch 2457115.5 (2015-Apr-03.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03666573437920263 4.8845e-08   q 2.114733473354283 1.0593e-07 au tp 2457238.635900599841 (2015-Aug-04.13590060) 0.00033059 TDB node 339.8322698745546 5.0479e-05 deg peri 158.1342703585919 0.00011321 deg i 6.833308135747323 6.5279e-06 deg   Orbit Determination Parameters    # obs. used (total)      275      data-arc span      9540 days (26.12 yr)      first obs. used      1993-03-21      last obs. used      2019-05-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64382      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 02:52:44   Additional Information  Jupiter MOID = 2.71218 au   T_jup = 3.659  Orbit Covariance (6×6)   e q tp node peri i e 2.38587319034654E-15 -5.136891520179199E-15 5.977808183793915E-12 -5.952753831617676E-15 1.807312361665593E-12 -3.373303503221785E-15 q -5.136891520179199E-15 1.122077301393879E-14 -1.309936219350833E-11 1.343704233484833E-14 -3.966174868501805E-12 8.02164521394919E-15 tp 5.977808183793915E-12 -1.309936219350833E-11 1.092881293835303E-7 -1.130174082172116E-11 3.353291830550981E-8 -1.720309904821243E-11 node -5.952753831617676E-15 1.343704233484833E-14 -1.130174082172116E-11 2.548133174397794E-9 -2.532490187435301E-9 1.460140860466409E-10 peri 1.807312361665593E-12 -3.966174868501805E-12 3.353291830550981E-8 -2.532490187435301E-9 1.281589731532425E-8 -1.502441042061212E-10 i -3.373303503221785E-15 8.02164521394919E-15 -1.720309904821243E-11 1.460140860466409E-10 -1.502441042061212E-10 4.261363849463222E-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 16.9   n/a MPO314586   212949 (2009 BV23)          Discovered 2009-Jan-17 by Spacewatch at Kitt Peak Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 Alternate Designations  2009 BV23 = 1993 FV66 = 2006 HO54  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Jul-10 01:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin