+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   470308 (2007 JH43) Classification: TransNeptunian Object          SPK-ID: 2470308 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02315786491577258 1.2524e-05   a 39.66722798564582 0.00064829 au q 38.74861967837108 0.001129 au i 18.1218217672484 6.9088e-05 deg node 64.58623579640758 1.2503e-05 deg peri 353.247066247961 0.023432 deg M 194.6656249667083 0.024501 deg tp 2500909.457970082498 (2135-Feb-26.95797008) 6.1969 TDB period 91252.80127736134 249.84 2.2371 0.006125 d yr n .003945084369583199 9.6714e-08 deg/d Q 40.58583629292056 0.00066331 au   Orbit Determination Parameters    # obs. used (total)      296      data-arc span      12949 days (35.45 yr)      first obs. used      1984-03-07      last obs. used      2019-08-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .36384      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 04:14:55   Additional Information  Earth MOID = 37.7617 au   Jupiter MOID = 33.7065 au   T_jup = 5.378  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.5   n/a MPO369056   470308 (2007 JH43)          Discovered 2007-May-10 by Palomar at Palomar Reference: Last Updated: 2016-08-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Nov-29 11:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin