+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   175255 (2005 JH64) Classification: Main-belt Asteroid          SPK-ID: 2175255 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .08431181779110436 3.7733e-08   a 2.300712607064711 1.0196e-08 au q 2.106735344948174 8.5555e-08 au i 7.369603201375509 3.5654e-06 deg node 143.7541824902067 3.3066e-05 deg peri 97.40328021466753 4.0501e-05 deg M 158.6878250001443 2.3405e-05 deg tp 2458638.633560640649 (2019-Jun-04.13356064) 8.1854e-05 TDB period 1274.653037617615 3.49 8.4736e-06 2.32e-08 d yr n .282429798051442 1.8775e-09 deg/d Q 2.494689869181248 1.1056e-08 au   Orbit Determination Parameters    # obs. used (total)      437      data-arc span      8299 days (22.72 yr)      first obs. used      1998-04-24      last obs. used      2021-01-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56228      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 11:32:51   Additional Information  Earth MOID = 1.10779 au   Jupiter MOID = 2.52307 au   T_jup = 3.576  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.8   n/a MPO475481   175255 (2005 JH64)          Discovered 2005-May-11 by Lowe, A. at Mayhill Reference: 20080122/Numbers.arc Last Updated: 2008-01-28 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 12:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin