+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 UW1) Classification: Apollo [NEO]          SPK-ID: 54075542 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3477262154630483 0.00033329   a 1.446897455962445 0.00074625 au q .9437732794375114 4.5316e-06 au i 20.61263457985601 0.013741 deg node 36.8239126302143 0.00064897 deg peri 52.15554758917938 0.011407 deg M 1.144266965549092 0.0070654 deg tp 2459198.479402013439 (2020-Dec-14.97940201) 0.01404 TDB period 635.704164379909 1.74 0.49181 0.001347 d yr n .5663011510254274 0.00043811 deg/d Q 1.950021632487378 0.0010057 au   Orbit Determination Parameters    # obs. used (total)      84      data-arc span      23 days      first obs. used      2020-10-17      last obs. used      2020-11-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      7      norm. resid. RMS      .39125      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 23:13:17   Additional Information  Earth MOID = .0471161 au   Jupiter MOID = 3.42289 au   T_jup = 4.522  [ 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 24.0   .50155 E2020V59 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 20:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin