+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2007 DA61) Classification: TransNeptunian Object          SPK-ID: 3369100 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9942858190896076 0.00070665   a 467.7038292964386 57.885 au q 2.672544293083154 0.00026227 au i 76.52897787215549 0.0093529 deg node 146.1418505429888 0.0019595 deg peri 349.6634583980273 0.012638 deg M .4722423495700752 0.087668 deg tp 2454154.122434251713 (2007-Feb-22.62243425) 0.037125 TDB period 3694492.722344232 10114.97 6.8587e+05 1878 d yr n 9.74423356751323E-5 1.809e-05 deg/d Q 932.735114299794 115.44 au   Orbit Determination Parameters    # obs. used (total)      78      data-arc span      29 days      first obs. used      2007-02-25      last obs. used      2007-03-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      5      norm. resid. RMS      .38333      source      ORB      producer      Otto Matic      solution date      2017-Apr-08 15:48:06   Additional Information  Earth MOID = 1.69633 au   Jupiter MOID = 2.66884 au   T_jup = 0.483  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.912   .46971 5 autocmod 2.6i [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-25 21:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin