+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2015 DS249) Classification: TransNeptunian Object          SPK-ID: 3825796 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6694936225990827 0.031757   a 54.97287232333056 4.3483 au q 18.16888488690713 0.30907 au i 11.38397830898433 0.0006188 deg node 246.6560253248167 0.063026 deg peri 4.02470085295298 0.3016 deg M 344.5424981730023 2.3331 deg tp 2465392.810712405688 (2037-Nov-30.31071241) 206.41 TDB period 148874.7588207797 407.60 17664 48.36 d yr n .002418139937565775 0.00028691 deg/d Q 91.77685975975399 7.2594 au   Orbit Determination Parameters    # obs. used (total)      31      data-arc span      109 days      first obs. used      2015-02-17      last obs. used      2015-06-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .29866      source      ORB      producer      Otto Matic      solution date      2020-Jun-25 04:25:23   Additional Information  Earth MOID = 17.1549 au   Jupiter MOID = 12.8272 au   T_jup = 4.829  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 9.0626   .31033 3 autocmod 2.8 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ] 2021-Jan-17 19:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin