+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 ND) Classification: Apollo [NEO, PHA]          SPK-ID: 54017784 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5886279398300269 1.2284e-05   a 2.411672671471472 7.1424e-05 au q .9920947553188422 2.7759e-07 au i 17.42540291776989 0.00020845 deg node 118.0147179078829 6.424e-06 deg peri 214.6422072949466 3.5652e-05 deg M 31.61976714105196 0.0013721 deg tp 2459080.347686749613 (2020-Aug-18.84768675) 0.00012533 TDB period 1367.968099739153 3.75 0.06077 0.0001664 d yr n .263164031433661 1.1691e-05 deg/d Q 3.831250587624102 0.00011347 au   Orbit Determination Parameters    # obs. used (total)      175      data-arc span      185 days      first obs. used      2020-05-19      last obs. used      2020-11-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      5      norm. resid. RMS      .47682      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:19:23   Additional Information  Earth MOID = .0359607 au   Jupiter MOID = 1.67469 au   T_jup = 3.208  [ 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 21.7   .6308 E2021-DA1 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-07 00:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin