+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   226153 (2002 SE7) Classification: Main-belt Asteroid          SPK-ID: 2226153 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09569024108285053 5.662e-08   a 2.25725708123482 1.0055e-08 au q 2.041259606945488 1.2826e-07 au i 7.140405871582979 6.5165e-06 deg node 188.3800083183736 3.0039e-05 deg peri 219.4239067813851 3.882e-05 deg M 103.0650125894883 2.432e-05 deg tp 2458845.867345434329 (2019-Dec-28.36734543) 8.3535e-05 TDB period 1238.71091106491 3.39 8.2772e-06 2.266e-08 d yr n .2906247105634283 1.942e-09 deg/d Q 2.473254555524151 1.1018e-08 au   Orbit Determination Parameters    # obs. used (total)      322      data-arc span      6775 days (18.55 yr)      first obs. used      2002-09-27      last obs. used      2021-04-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57291      source      ORB      producer      Otto Matic      solution date      2021-May-04 10:49:25   Additional Information  Earth MOID = 1.05426 au   Jupiter MOID = 2.83678 au   T_jup = 3.606  [ 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 17.35   n/a MPCxxxxx   226153 (2002 SE7)          Discovered 2002-Sep-27 by NEAT at Palomar Reference: 20091202/Numbers.arc Last Updated: 2009-12-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-07 11:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin