+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 DG1) Classification: Apollo [NEO]          SPK-ID: 3991660 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2458897.5 (2020-Feb-18.0) TDB Reference: JPL 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .7684141942088805 0.0081098   a 2.5395772504313 0.079904 au q .5881300439099283 0.0020915 au i 5.396734059820121 0.051962 deg node 151.8740732536733 0.019736 deg peri 88.51020474905879 0.039835 deg M 348.4554169988492 0.60189 deg tp 2458944.904145079982 (2020-Apr-05.40414508) 0.2342 TDB period 1478.22508851921 4.05 69.765 0.191 d yr n .2435353064942394 0.011494 deg/d Q 4.491024456952671 0.1413 au   Orbit Determination Parameters    # obs. used (total)      22      data-arc span      2 days      first obs. used      2020-02-17      last obs. used      2020-02-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      9      norm. resid. RMS      .31497      source      ORB      producer      Otto Matic      solution date      2020-Feb-19 09:42:21   Additional Information  Earth MOID = .00377124 au   Jupiter MOID = .65637 au   T_jup = 2.939  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 24.536   .20479 2 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-28 06:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin