+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 AD1) Classification: Apollo [NEO]          SPK-ID: 3973543 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1420654769354395 9.1498e-05   a 1.04292808701382 4.3981e-05 au q .8947640109228364 5.7695e-05 au i 3.834289943553687 0.0026812 deg node 98.6281816787393 0.001331 deg peri 96.178193714106 0.0023875 deg M 61.44222729243743 0.0016883 deg tp 2458934.103616912816 (2020-Mar-25.60361691) 0.0023783 TDB period 389.0272043300132 1.07 0.024608 6.737e-05 d yr n .925385155570279 5.8536e-05 deg/d Q 1.191092163104804 5.0229e-05 au   Orbit Determination Parameters    # obs. used (total)      46      data-arc span      21 days      first obs. used      2019-12-28      last obs. used      2020-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .32503      source      ORB      producer      Otto Matic      solution date      2020-Jan-18 05:00:25   Additional Information  Earth MOID = .00435319 au   Jupiter MOID = 3.7652 au   T_jup = 5.874  [ 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 26.3   .18937 E2020A92 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Feb-26 10:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin