+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2019 AT6) Classification: Apollo [NEO]          SPK-ID: 3837717 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1072712204164023 0.00014064   a 1.019407345461673 6.2953e-05 au q .9100542754125546 8.8223e-05 au i 7.274014488890191 0.0096128 deg node 287.9720795177603 0.0016775 deg peri 271.1720382005212 0.0038251 deg M 239.5728909286158 0.048744 deg tp 2459326.259796230530 (2021-Apr-21.75979623) 0.062548 TDB period 375.9413224488729 1.03 0.034824 9.534e-05 d yr n .9575962484117693 8.8703e-05 deg/d Q 1.128760415510792 6.9706e-05 au   Orbit Determination Parameters    # obs. used (total)      29      data-arc span      3 days      first obs. used      2019-01-08      last obs. used      2019-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .45189      source      ORB      producer      Otto Matic      solution date      2019-Jan-11 06:56:05   Additional Information  Earth MOID = .00971618 au   Jupiter MOID = 3.84162 au   T_jup = 5.977  [ 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   .40886 MPO467334 autocmod 2.6q [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-14 21:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin