+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 AT1) Classification: Apollo [NEO]          SPK-ID: 3976536 [ 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 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3031517963592406 0.00037717   a 1.344802341496041 0.00065221 au q .9371230959234034 5.2739e-05 au i 3.20579391081181 0.0045022 deg node 281.8671025353316 0.0014702 deg peri 224.0080191143112 0.0025758 deg M 70.28401511788371 0.049563 deg tp 2458889.290938815199 (2020-Feb-09.79093882) 0.0024919 TDB period 569.6211572343886 1.56 0.41439 0.001135 d yr n .6319989969260686 0.00045977 deg/d Q 1.752481587068679 0.00084993 au   Orbit Determination Parameters    # obs. used (total)      31      data-arc span      2 days      first obs. used      2020-01-05      last obs. used      2020-01-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .75448      source      ORB      producer      Otto Matic      solution date      2020-Apr-15 06:07:43   Additional Information  Earth MOID = .00624036 au   Jupiter MOID = 3.26256 au   T_jup = 4.837  [ 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 27.6   .25872 E2020A92 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-26 19:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin