+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 XF) Classification: Aten [NEO]          SPK-ID: 54097866 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09697775171990269 1.7629e-05   a .9138387205995221 1.157e-05 au q .8252166960411882 2.6558e-05 au i 4.407531913296716 0.00076377 deg node 71.52754603740975 7.6108e-05 deg peri 211.6463000460098 0.00012972 deg M 157.3047404853863 0.0011475 deg tp 2459061.074545036344 (2020-Jul-30.57454504) 0.0036642 TDB period 319.0823342770087 0.87 0.0060599 1.659e-05 d yr n 1.128235446865789 2.1427e-05 deg/d Q 1.002460745157856 1.2692e-05 au   Orbit Determination Parameters    # obs. used (total)      111      data-arc span      31 days      first obs. used      2020-12-04      last obs. used      2021-01-04      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      5      norm. resid. RMS      .3514      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:19:38   Additional Information  Earth MOID = .000691941 au   Jupiter MOID = 4.02873 au   T_jup = 6.526  [ 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 26.84   .44956 E2021D54 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-22 12:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin