+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 XY) Classification: Apollo [NEO]          SPK-ID: 54097975 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4295416417272919 0.00010237   a 1.770514354900652 0.0003285 au q 1.010004712194889 6.148e-06 au i 2.263942239230234 0.00045498 deg node 67.62002521950416 0.00024889 deg peri 38.81947516627903 0.00054704 deg M 352.1982332118969 0.0022396 deg tp 2459219.148249395133 (2021-Jan-04.64824940) 0.00016626 TDB period 860.4935221192775 2.36 0.23948 0.0006557 d yr n .4183645672466765 0.00011643 deg/d Q 2.531023997606415 0.0004696 au   Orbit Determination Parameters    # obs. used (total)      59      data-arc span      81 days      first obs. used      2020-12-05      last obs. used      2021-02-24      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      6      norm. resid. RMS      .57194      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:19:41   Additional Information  Earth MOID = .0354807 au   Jupiter MOID = 2.62843 au   T_jup = 3.992  [ 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 25.14   .61513 E2021-HE8 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jun-25 01:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin