+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   437463 (2013 YD28) Classification: Main-belt Asteroid          SPK-ID: 2437463 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1062300506426892 5.4189e-08   a 2.774051220479133 4.5833e-08 au q 2.479363618842221 1.5372e-07 au i 10.59194994241324 6.2676e-06 deg node 107.3582840003502 4.125e-05 deg peri 31.01325785658695 5.7238e-05 deg M 116.275848171711 3.7536e-05 deg tp 2458455.423880065146 (2018-Dec-02.92388007) 0.0001759 TDB period 1687.602423564071 4.62 4.1824e-05 1.145e-07 d yr n .2133203857575121 5.2867e-09 deg/d Q 3.068738822116045 5.0702e-08 au   Orbit Determination Parameters    # obs. used (total)      135      data-arc span      3803 days (10.41 yr)      first obs. used      2008-11-03      last obs. used      2019-04-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54703      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 15:46:24   Additional Information  Earth MOID = 1.49996 au   Jupiter MOID = 1.99979 au   T_jup = 3.303  [ 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 16.7   n/a MPO437697   437463 (2013 YD28)          Discovered 2008-Nov-03 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-13 17:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin