+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02448046006450854 1.2508e-05   a 39.62055386842002 0.00064647 au q 38.65062448171045 0.001125 au i 18.13434637916541 6.9134e-05 deg node 64.59162596790722 1.2495e-05 deg peri 352.5988717207074 0.022167 deg M 196.1683692590056 0.02323 deg tp 2500655.268462712906 (2134-Jun-17.76846271) 5.8545 TDB period 91091.79087748894 249.40 2.2295 0.006104 d yr n .003952057551312948 9.6726e-08 deg/d Q 40.59048325512958 0.0006623 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 = 37.663 au   Jupiter MOID = 33.6117 au   T_jup = 5.374  [ 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 ] 2021-Mar-08 01:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin