+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   212112 (2005 ES176) Classification: Main-belt Asteroid          SPK-ID: 2212112 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1146133077602066 5.3845e-08   a 2.553114360144382 2.1858e-08 au q 2.260493478238151 1.3679e-07 au i 15.18655848820723 5.5658e-06 deg node 76.11546940124703 2.1907e-05 deg peri 106.5163647159918 3.3272e-05 deg M 264.8103454365631 2.9674e-05 deg tp 2459394.495334729177 (2021-Jun-28.99533473) 0.00012507 TDB period 1490.060250276243 4.08 1.9135e-05 5.239e-08 d yr n .2416009687750944 3.1026e-09 deg/d Q 2.845735242050612 2.4363e-08 au   Orbit Determination Parameters    # obs. used (total)      217      data-arc span      7584 days (20.76 yr)      first obs. used      2000-01-10      last obs. used      2020-10-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59326      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 04:03:07   Additional Information  Earth MOID = 1.311 au   Jupiter MOID = 2.249 au   T_jup = 3.381  [ 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 16.2   n/a MPO450006   212112 (2005 ES176)          Discovered 2005-Mar-08 by LINEAR at Socorro Reference: 20090409/Numbers.arc Last Updated: 2009-04-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 16:29 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin