+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 SQ13) Classification: TransNeptunian Object          SPK-ID: 3831868 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9809493573780902 5.4649e-05   a 155.8767211121936 0.44831 au q 2.969551706983503 2.2712e-05 au i 90.96651037356546 0.00066211 deg node 222.6182161557869 1.5025e-05 deg peri 161.9805589530681 0.0005799 deg M .3255718789110355 0.0014052 deg tp 2458357.642515362189 (2018-Aug-27.14251536) 0.0021949 TDB period 710837.4815530409 1946.17 3066.6 8.396 d yr n .0005064448757168381 2.1848e-06 deg/d Q 308.7838905174036 0.88808 au   Orbit Determination Parameters    # obs. used (total)      172      data-arc span      103 days      first obs. used      2018-09-21      last obs. used      2019-01-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .49433      source      ORB      producer      Otto Matic      solution date      2019-Feb-18 10:04:29   Additional Information  Earth MOID = 2.01504 au   Jupiter MOID = 1.91123 au   T_jup = -0.002  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.4   .32545 MPO473504 autocmod 2.6q [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Mar-02 09:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin