+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09559589398894859 5.9735e-08   a 2.25729559589445 1.0902e-08 au q 2.041507405407604 1.3648e-07 au i 7.139978820660814 6.7057e-06 deg node 188.3860614685588 3.3358e-05 deg peri 219.4489470246579 4.211e-05 deg M 44.92143880710191 2.536e-05 deg tp 2458845.927498441962 (2019-Dec-28.42749844) 8.721e-05 TDB period 1238.742614630949 3.39 8.9742e-06 2.457e-08 d yr n .2906172725051949 2.1054e-09 deg/d Q 2.473083786381296 1.1944e-08 au   Orbit Determination Parameters    # obs. used (total)      254      data-arc span      6245 days (17.10 yr)      first obs. used      2002-09-27      last obs. used      2019-11-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60865      source      ORB      producer      Otto Matic      solution date      2019-Dec-04 17:26:08   Additional Information  Earth MOID = 1.05551 au   Jupiter MOID = 2.8371 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 17.3   n/a MPO503109   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 ] 2020-Aug-07 10:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin