+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   266394 (2007 ED155) Classification: Main-belt Asteroid          SPK-ID: 2266394 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03978662156109556 4.52e-08   a 2.673320147957687 2.3993e-08 au q 2.566957770919243 1.1336e-07 au i 7.669058990513241 7.2135e-06 deg node 339.3843346506879 3.6335e-05 deg peri 128.2490439603059 9.8317e-05 deg M 83.7711849884477 9.1342e-05 deg tp 2458628.992964928851 (2019-May-25.49296493) 0.00040463 TDB period 1596.52191435584 4.37 2.1493e-05 5.884e-08 d yr n .2254901713298759 3.0356e-09 deg/d Q 2.779682524996132 2.4947e-08 au   Orbit Determination Parameters    # obs. used (total)      307      data-arc span      7153 days (19.58 yr)      first obs. used      2000-09-26      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5827      source      ORB      producer      Otto Matic      solution date      2020-May-21 15:23:48   Additional Information  Earth MOID = 1.59096 au   Jupiter MOID = 2.25599 au   T_jup = 3.366  [ 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 16.0   n/a MPO433729   266394 (2007 ED155)          Discovered 2007-Mar-12 by Spacewatch at Kitt Peak Reference: 20110218/Numbers.arc Last Updated: 2011-02-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-08 03:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin