+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 HV) Classification: Apollo [NEO]          SPK-ID: 54016565 [ 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 .3309374734349636 0.00010246   a 1.424597639637726 0.00019966 au q .9531448961146045 1.2415e-05 au i 2.809677162460997 0.00038047 deg node 32.63431745654099 0.00044769 deg peri 214.6196382137108 0.00059195 deg M 121.5107152617003 0.024748 deg tp 2458990.872220491375 (2020-May-21.37222049) 0.0013999 TDB period 621.0645741042034 1.70 0.13056 0.0003575 d yr n .5796498705778677 0.00012186 deg/d Q 1.896050383160849 0.00026573 au   Orbit Determination Parameters    # obs. used (total)      45      data-arc span      1 day      first obs. used      2020-04-18      last obs. used      2020-04-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .35533      source      ORB      producer      Otto Matic      solution date      2020-May-11 05:54:45   Additional Information  Earth MOID = .00257318 au   Jupiter MOID = 3.13624 au   T_jup = 4.639  [ 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 28.8   .28084 MPO546170 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-10 13:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin