+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382815 (2003 UG346) Classification: Main-belt Asteroid          SPK-ID: 2382815 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0856860114756134 1.2297e-07   a 2.810887203487979 2.9278e-08 au q 2.570033490313253 3.5747e-07 au i .5218391067067585 9.3527e-06 deg node 116.1286515841248 0.0011062 deg peri 249.3859467113557 0.0011076 deg M 191.3938880495918 5.155e-05 deg tp 2459806.684357811502 (2022-Aug-15.18435781) 0.00025116 TDB period 1721.327687678987 4.71 2.6894e-05 7.363e-08 d yr n .2091408873376218 3.2676e-09 deg/d Q 3.051740916662705 3.1787e-08 au   Orbit Determination Parameters    # obs. used (total)      83      data-arc span      5997 days (16.42 yr)      first obs. used      2003-09-29      last obs. used      2020-02-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58675      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:39:54   Additional Information  Earth MOID = 1.56809 au   Jupiter MOID = 2.36808 au   T_jup = 3.316  [ 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 17.3   n/a MPO418956   382815 (2003 UG346)          Discovered 2003-Oct-19 by Sloan Digital Sky Survey at Apache Point Reference: Last Updated: 2014-01-21 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-18 15:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin