+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226622 (2004 EJ7) Classification: Main-belt Asteroid          SPK-ID: 2226622 [ 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 .06733342636761205 4.9453e-08   a 2.312555651666979 1.1826e-08 au q 2.156843355974455 1.1376e-07 au i 7.07978506663777 6.5244e-06 deg node 10.63791682675706 3.9115e-05 deg peri 211.21886090337 6.1199e-05 deg M 182.1049728932923 4.7627e-05 deg tp 2459635.243150786622 (2022-Feb-24.74315079) 0.00017098 TDB period 1284.507712214558 3.52 9.8534e-06 2.698e-08 d yr n .2802630117178054 2.1499e-09 deg/d Q 2.468267947359502 1.2623e-08 au   Orbit Determination Parameters    # obs. used (total)      402      data-arc span      6197 days (16.97 yr)      first obs. used      2002-11-13      last obs. used      2019-11-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56395      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 00:54:42   Additional Information  Earth MOID = 1.15266 au   Jupiter MOID = 2.50507 au   T_jup = 3.570  [ 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 16.5   n/a MPO334335   226622 (2004 EJ7)          Discovered 2004-Mar-12 by NEAT at Palomar Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-15 05:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin