+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2018 AG37) Classification: TransNeptunian Object          SPK-ID: 54114199 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2458538.5 (2019-Feb-24.0) TDB Reference: JPL 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6551067814351935 0.011866   a 80.10933608907783 3.0292 au q 27.62916676085186 0.10316 au i 18.67744236768702 0.18938 deg node 68.36735556813215 0.80827 deg peri 232.9742411768344 91.648 deg M 182.8435717843268 335.01 deg tp 2587416.129827867640 (2372-Jan-02.62982787) 2.3641e+05 TDB period 261892.5387316408 717.02 14855 40.67 d yr n .001374609607984629 7.7969e-05 deg/d Q 132.5895054173038 5.0137 au   Orbit Determination Parameters    # obs. used (total)      9      data-arc span      740 days (2.03 yr)      first obs. used      2018-01-15      last obs. used      2020-01-25      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      9      norm. resid. RMS      .1691      source      ORB      producer      Otto Matic      solution date      2021-Apr-16 11:04:51   Additional Information  Earth MOID = 26.6488 au   Jupiter MOID = 22.686 au   T_jup = 5.682  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 4.22   .10308 E2021-CK0 autocmod 2.8 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Apr-23 09:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin