+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 SN3) Classification: Apollo [NEO]          SPK-ID: 54054579 [ 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 2 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1955088936173043 0.00033146   a 1.133313387854173 0.00032572 au q .911740541273125 0.00012361 au i 5.8541403293114 0.0090279 deg node 179.8526395451784 0.0010038 deg peri 246.4635775786646 0.015905 deg M 22.5237967016437 0.0087919 deg tp 2459172.928362904847 (2020-Nov-19.42836290) 0.020959 TDB period 440.6801164890036 1.21 0.18998 0.0005201 d yr n .8169190905825294 0.00035218 deg/d Q 1.354886234435222 0.00038941 au   Orbit Determination Parameters    # obs. used (total)      16      data-arc span      1 day      first obs. used      2020-09-22      last obs. used      2020-09-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .39424      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:02:56   Additional Information  Earth MOID = .00370217 au   Jupiter MOID = 3.88045 au   T_jup = 5.502  [ 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 29.95   .27013 E2020-SG3 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 19:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin