+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160796 (2000 UL20) Classification: Main-belt Asteroid          SPK-ID: 2160796 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1510553031179111 3.8066e-08   a 2.368224202657586 1.1899e-08 au q 2.010491377873971 8.8018e-08 au i 1.257136442322068 4.7609e-06 deg node 160.8705856363558 0.0001819 deg peri 295.283521661512 0.00018274 deg M 88.14174659086275 1.6932e-05 deg tp 2458674.579407639327 (2019-Jul-10.07940764) 6.1642e-05 TDB period 1331.167327492072 3.64 1.0032e-05 2.747e-08 d yr n .270439329876164 2.0382e-09 deg/d Q 2.725957027441201 1.3696e-08 au   Orbit Determination Parameters    # obs. used (total)      500      data-arc span      8092 days (22.15 yr)      first obs. used      1998-03-03      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58671      source      ORB      producer      Otto Matic      solution date      2020-May-21 01:36:06   Additional Information  Earth MOID = 1.02768 au   Jupiter MOID = 2.43228 au   T_jup = 3.531  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.8   n/a MPO469699   160796 (2000 UL20)          Discovered 2000-Oct-24 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 2042-Jan-08 11:58 < 00:01 Pallas 0.048973967694758 0.0489729758656114 0.0489749596790219 12.0109969234233 12.0109967609184 2466892.998413805 0.526948132449248 443.189549046748 46.9769360980138 87.9943221921411 155799.22926757 T 18 CATAB v2.0f-lin.ifort 2020-May-21 01:36:26 2020-May-21 01:36 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-06 17:11 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin