+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   214570 (2006 QN28) Classification: Main-belt Asteroid          SPK-ID: 2214570 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1206406969532296 4.8683e-08   a 2.647538425839337 1.6024e-08 au q 2.328137544935623 1.2746e-07 au i 14.52684640071206 4.7271e-06 deg node 166.209422240416 1.6681e-05 deg peri 203.6785130108181 2.602e-05 deg M 94.46386788873733 1.8419e-05 deg tp 2458787.618847506896 (2019-Oct-31.11884751) 7.9649e-05 TDB period 1573.482202450012 4.31 1.4285e-05 3.911e-08 d yr n .2287919109853654 2.0771e-09 deg/d Q 2.966939306743051 1.7957e-08 au   Orbit Determination Parameters    # obs. used (total)      487      data-arc span      6749 days (18.48 yr)      first obs. used      2002-10-15      last obs. used      2021-04-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48961      source      ORB      producer      Otto Matic      solution date      2021-May-04 10:40:20   Additional Information  Earth MOID = 1.33038 au   Jupiter MOID = 2.497 au   T_jup = 3.336  [ 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 16.00   n/a MPCxxxxx   214570 (2006 QN28)          Discovered 2006-Aug-21 by LINEAR at Socorro Reference: 20090509/Numbers.arc Last Updated: 2009-05-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-May-07 17:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin