+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344628 (2003 JM5) Classification: Main-belt Asteroid          SPK-ID: 2344628 [ 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 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3421198972044363 6.2281e-08   a 2.56484060788239 1.8197e-08 au q 1.687357602767902 1.5286e-07 au i 11.47201029962492 9.0107e-06 deg node 59.07109596037913 3.104e-05 deg peri 242.9202866154239 3.6503e-05 deg M 14.05376846890867 1.9034e-05 deg tp 2458941.929451371935 (2020-Apr-02.42945137) 7.918e-05 TDB period 1500.337617824779 4.11 1.5967e-05 4.372e-08 d yr n .2399459933037843 2.5535e-09 deg/d Q 3.442323612996877 2.4422e-08 au   Orbit Determination Parameters    # obs. used (total)      291      data-arc span      6414 days (17.56 yr)      first obs. used      2003-04-26      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65502      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:55:54   Additional Information  Earth MOID = .70848 au   Jupiter MOID = 1.92702 au   T_jup = 3.322  [ hide covariance matrix ] Orbital Elements at Epoch 2457980.5 (2017-Aug-15.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3416150531249548 6.2169e-08   q 1.68879021555574 1.5263e-07 au tp 2457442.030014922168 (2016-Feb-23.53001492) 7.7615e-05 TDB node 59.07560446655879 3.1025e-05 deg peri 242.9953810854828 3.6508e-05 deg i 11.47365160523067 9.0129e-06 deg   Orbit Determination Parameters    # obs. used (total)      291      data-arc span      6414 days (17.56 yr)      first obs. used      2003-04-26      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .65502      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:55:54   Additional Information  Jupiter MOID = 1.92702 au   T_jup = 3.322  Orbit Covariance (6×6)   e q tp node peri i e 3.864963003720762E-15 -9.469877945852647E-15 2.01452397147187E-12 -5.041710949002792E-14 3.506808081977091E-13 -1.872966726144133E-14 q -9.469877945852647E-15 2.329589434995363E-14 -5.162986849887348E-12 1.110652768736784E-13 -8.907356399089096E-13 5.123412355736019E-14 tp 2.01452397147187E-12 -5.162986849887348E-12 6.024147949937295E-9 -6.910380453659755E-11 1.506794216920999E-9 -5.521817527061321E-11 node -5.041710949002792E-14 1.110652768736784E-13 -6.910380453659755E-11 9.625612129126492E-10 -9.62317541996495E-10 -1.86457767177109E-10 peri 3.506808081977091E-13 -8.907356399089096E-13 1.506794216920999E-9 -9.62317541996495E-10 1.332853398048125E-9 1.710177269636314E-10 i -1.872966726144133E-14 5.123412355736019E-14 -5.521817527061321E-11 -1.86457767177109E-10 1.710177269636314E-10 8.123163610841692E-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 16.6   n/a MPO434167   344628 (2003 JM5)          Discovered 2003-May-01 by LINEAR at Socorro Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 08:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin