+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   249051 (2007 TM129) Classification: Main-belt Asteroid          SPK-ID: 2249051 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1739353805336139 3.8966e-08   a 2.22748048820742 7.2433e-09 au q 1.840042821859863 8.8741e-08 au i 3.249506576569052 3.4126e-06 deg node 221.3731841122086 7.2181e-05 deg peri 130.3931204603195 7.3315e-05 deg M 320.488062819202 1.0883e-05 deg tp 2459133.773901481954 (2020-Oct-11.27390148) 3.6609e-05 TDB period 1214.281251611728 3.32 5.9229e-06 1.622e-08 d yr n .2964716778111894 1.4461e-09 deg/d Q 2.614918154554978 8.5031e-09 au   Orbit Determination Parameters    # obs. used (total)      519      data-arc span      8415 days (23.04 yr)      first obs. used      1997-10-31      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54364      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:12:08   Additional Information  Earth MOID = .836629 au   Jupiter MOID = 2.82186 au   T_jup = 3.623  [ hide covariance matrix ] Orbital Elements at Epoch 2457713.5 (2016-Nov-21.0) TDB Reference: JPL 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1740260164608839 3.8871e-08   q 1.839198015087712 8.8496e-08 au tp 2457920.877963799272 (2017-Jun-16.37796380) 3.7987e-05 TDB node 221.3947690954749 7.2138e-05 deg peri 130.6710598344935 7.3275e-05 deg i 3.250681459437698 3.4141e-06 deg   Orbit Determination Parameters    # obs. used (total)      519      data-arc span      8415 days (23.04 yr)      first obs. used      1997-10-31      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54364      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:12:08   Additional Information  Jupiter MOID = 2.82186 au   T_jup = 3.623  Orbit Covariance (6×6)   e q tp node peri i e 1.510920981778666E-15 -3.432678649433081E-15 -2.298973439047391E-13 -1.285425328042013E-14 -7.42950342374512E-14 -4.261978155412122E-15 q -3.432678649433081E-15 7.831566449483591E-15 4.418114455449183E-13 2.952969435487165E-14 1.396178088230446E-13 9.702825385366734E-15 tp -2.298973439047391E-13 4.418114455449183E-13 1.443014996860196E-9 1.823087516378628E-11 5.037762321067563E-10 1.289774126413491E-12 node -1.285425328042013E-14 2.952969435487165E-14 1.823087516378628E-11 5.203832075616309E-9 -5.188667893249792E-9 -5.585502169924597E-11 peri -7.42950342374512E-14 1.396178088230446E-13 5.037762321067563E-10 -5.188667893249792E-9 5.369227445894038E-9 5.624298418806477E-11 i -4.261978155412122E-15 9.702825385366734E-15 1.289774126413491E-12 -5.585502169924597E-11 5.624298418806477E-11 1.165627840086451E-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 17.2   n/a MPO433632   249051 (2007 TM129)          Discovered 2007-Oct-06 by Spacewatch at Kitt Peak Reference: 20100824/Numbers.arc Last Updated: 2010-08-27 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-17 10:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin