+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   151000 (2001 UB37) Classification: Main-belt Asteroid          SPK-ID: 2151000 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1451985562553717 3.4158e-08   a 2.660099474628665 1.4663e-08 au q 2.27385687141691 9.0212e-08 au i 9.684069136525654 5.1954e-06 deg node 160.5526330620228 2.6566e-05 deg peri 289.16214944953 3.7868e-05 deg M 114.9113304412375 2.4112e-05 deg tp 2458694.668821259265 (2019-Jul-30.16882126) 0.00010582 TDB period 1584.693377471468 4.34 1.3103e-05 3.587e-08 d yr n .2271732848246106 1.8783e-09 deg/d Q 3.04634207784042 1.6792e-08 au   Orbit Determination Parameters    # obs. used (total)      649      data-arc span      6791 days (18.59 yr)      first obs. used      2001-10-16      last obs. used      2020-05-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56491      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:47:28   Additional Information  Earth MOID = 1.31169 au   Jupiter MOID = 2.1823 au   T_jup = 3.351  [ 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 15.88   n/a E2021B55   151000 (2001 UB37)          Discovered 2001-Oct-16 by LINEAR at Socorro Reference: 20070303/Numbers.arc Last Updated: 2007-03-07 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-13 10:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin