+ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4295416560196595 0.00010237   a 1.770514400774528 0.0003285 au q 1.010004713059182 6.148e-06 au i 2.263942292464447 0.00045498 deg node 67.6200259552384 0.00024889 deg peri 38.8194745108905 0.00054704 deg M 352.1982335343218 0.0022396 deg tp 2459219.148249349216 (2021-Jan-04.64824935) 0.00016626 TDB period 860.4935555622483 2.36 0.23948 0.0006557 d yr n .4183645509869917 0.00011643 deg/d Q 2.531024088489873 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.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .57194      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:19:26   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 25.31   .61513 E2021-DA1 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-02 17:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin