+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   152425 (2005 UL396) Classification: Main-belt Asteroid          SPK-ID: 2152425 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .02806983738942211 4.5147e-08   a 2.690299097608019 1.7303e-08 au q 2.614782839409253 1.1872e-07 au i 15.70378361405987 4.9777e-06 deg node 156.2036237248521 1.5732e-05 deg peri 256.4675761796196 9.2358e-05 deg M 145.6961669388558 8.8899e-05 deg tp 2458548.203720744693 (2019-Mar-05.70372074) 0.00039926 TDB period 1611.75592649915 4.41 1.5549e-05 4.257e-08 d yr n .2233588808833767 2.1549e-09 deg/d Q 2.765815355806785 1.7789e-08 au   Orbit Determination Parameters    # obs. used (total)      531      data-arc span      7982 days (21.85 yr)      first obs. used      1999-04-12      last obs. used      2021-02-17      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .60188      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 19:27:04   Additional Information  Earth MOID = 1.64807 au   Jupiter MOID = 2.32161 au   T_jup = 3.318  [ 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 15.76   n/a E2020-QM9   152425 (2005 UL396)          Discovered 2005-Oct-26 by NEAT at Palomar Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 16:54 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin