+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437898 (2001 UT39) Classification: Main-belt Asteroid          SPK-ID: 2437898 [ 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 .2319471131404122 9.8076e-08   a 2.347280089537049 1.3335e-08 au q 1.802835249036962 2.2803e-07 au i 4.663616540819717 1.2972e-05 deg node 32.98966716393669 7.7136e-05 deg peri 321.9256263921664 0.00010379 deg M 84.16801855119579 4.6976e-05 deg tp 2458693.392514728014 (2019-Jul-28.89251473) 0.00017121 TDB period 1313.54755168279 3.60 1.1193e-05 3.064e-08 d yr n .2740669719484481 2.3354e-09 deg/d Q 2.891724930037137 1.6428e-08 au   Orbit Determination Parameters    # obs. used (total)      86      data-arc span      6609 days (18.09 yr)      first obs. used      2001-09-24      last obs. used      2019-10-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62789      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 15:46:06   Additional Information  Earth MOID = .80126 au   Jupiter MOID = 2.55512 au   T_jup = 3.519  [ 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 18.2   n/a MPO495170   437898 (2001 UT39)          Discovered 2001-Oct-17 by LINEAR at Socorro Reference: Last Updated: 2015-07-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-13 03:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin