+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   410329 (2007 UL22) Classification: Main-belt Asteroid          SPK-ID: 2410329 [ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1873027525638298 9.0135e-08   a 2.328696301138701 1.7325e-08 au q 1.892525074050213 2.0737e-07 au i 1.475271117233109 7.9541e-06 deg node 112.2831455827325 0.00029645 deg peri 316.35952428928 0.00031119 deg M 177.1122363289437 7.8161e-05 deg tp 2458361.922263863549 (2018-Aug-31.42226386) 0.0002823 TDB period 1297.979122019329 3.55 1.4485e-05 3.966e-08 d yr n .2773542300433389 3.0952e-09 deg/d Q 2.764867528227189 2.057e-08 au   Orbit Determination Parameters    # obs. used (total)      90      data-arc span      5083 days (13.92 yr)      first obs. used      2005-03-10      last obs. used      2019-02-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .64871      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 12:45:00   Additional Information  Earth MOID = .907022 au   Jupiter MOID = 2.52503 au   T_jup = 3.548  [ 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 18.5   n/a MPO472143   410329 (2007 UL22)          Discovered 2007-Sep-15 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2014-10-09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 12:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin