+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   150022 (2005 UB485) Classification: Main-belt Asteroid          SPK-ID: 2150022 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06439283753588546 4.7906e-08   a 2.763940381807766 1.8264e-08 au q 2.585962417843145 1.3009e-07 au i 7.2188557073704 3.8673e-06 deg node 122.9564721551278 3.6993e-05 deg peri 223.5774101428827 4.9697e-05 deg M 151.6858256387813 3.3695e-05 deg tp 2458493.313547224744 (2019-Jan-09.81354722) 0.00015665 TDB period 1678.384397005928 4.60 1.6636e-05 4.555e-08 d yr n .2144919844597009 2.126e-09 deg/d Q 2.941918345772387 1.944e-08 au   Orbit Determination Parameters    # obs. used (total)      495      data-arc span      8412 days (23.03 yr)      first obs. used      1998-01-07      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57125      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 10:38:08   Additional Information  Earth MOID = 1.58122 au   Jupiter MOID = 2.34961 au   T_jup = 3.326  [ 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 15.81   n/a E2021B55   150022 (2005 UB485)          Discovered 2005-Oct-22 by CSS at Catalina Reference: 20070202/Numbers.arc Last Updated: 2007-02-06 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-12 23:45 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin