+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437495 (2013 YQ64) Classification: Main-belt Asteroid          SPK-ID: 2437495 [ 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 .1176531386764327 8.219e-08   a 2.421790368663426 4.1029e-08 au q 2.136859130573819 1.901e-07 au i 7.288271003572248 8.7793e-06 deg node 68.61641749040156 5.9283e-05 deg peri 344.5656548306894 6.8881e-05 deg M 271.8376904029674 4.1582e-05 deg tp 2459337.619369916637 (2021-May-03.11936992) 0.00016435 TDB period 1376.585682982993 3.77 3.4982e-05 9.578e-08 d yr n .261516594608116 6.6458e-09 deg/d Q 2.706721606753033 4.5856e-08 au   Orbit Determination Parameters    # obs. used (total)      83      data-arc span      3529 days (9.66 yr)      first obs. used      2009-09-28      last obs. used      2019-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50799      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 10:11:35   Additional Information  Earth MOID = 1.14931 au   Jupiter MOID = 2.61658 au   T_jup = 3.493  [ 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 17.5   n/a MPO434610   437495 (2013 YQ64)          Discovered 2009-Sep-28 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-06-04 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-09 16:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin