+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   312164 (2007 UW70) Classification: Main-belt Asteroid          SPK-ID: 2312164 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .166679734586949 5.0157e-08   a 2.355057348156695 1.6109e-08 au q 1.962517014428893 1.1351e-07 au i 2.182544664966037 4.7372e-06 deg node 218.8960444353695 0.00013142 deg peri 313.0104146317805 0.0001321 deg M 55.55668901618057 1.3661e-05 deg tp 2458796.779603766388 (2019-Nov-09.27960377) 4.946e-05 TDB period 1320.081234911979 3.61 1.3545e-05 3.708e-08 d yr n .2727104896874049 2.7981e-09 deg/d Q 2.747597681884497 1.8794e-08 au   Orbit Determination Parameters    # obs. used (total)      252      data-arc span      8123 days (22.24 yr)      first obs. used      1998-03-29      last obs. used      2020-06-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6097      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:48:23   Additional Information  Earth MOID = .968736 au   Jupiter MOID = 2.22439 au   T_jup = 3.535  [ 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 17.2   n/a MPO418614   312164 (2007 UW70)          Discovered 2007-Oct-30 by Mt. Lemmon Survey at Mount Lemmon Reference: 20120109/Numbers.arc Last Updated: 2012-01-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 06:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin