+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312386 (2008 EU136) Classification: Main-belt Asteroid          SPK-ID: 2312386 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02323257371373951 5.5836e-08   a 2.782233219006189 3.0475e-08 au q 2.717594780656813 1.5917e-07 au i 6.342046384562088 7.1017e-06 deg node 166.0349529126794 4.2271e-05 deg peri 48.95137604334789 0.00016738 deg M 199.2835266517565 0.00016652 deg tp 2459757.239872658789 (2022-Jun-26.73987266) 0.00078825 TDB period 1695.074241498975 4.64 2.785e-05 7.625e-08 d yr n .2123800782210268 3.4894e-09 deg/d Q 2.846871657355566 3.1183e-08 au   Orbit Determination Parameters    # obs. used (total)      181      data-arc span      6056 days (16.58 yr)      first obs. used      2003-03-30      last obs. used      2019-10-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59135      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 08:10:44   Additional Information  Earth MOID = 1.71664 au   Jupiter MOID = 2.11519 au   T_jup = 3.323  [ 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 16.6   n/a MPO455302   312386 (2008 EU136)          Discovered 2008-Mar-11 by Spacewatch at Kitt Peak Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 15:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin