+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 UU4) Classification: Apollo [NEO]          SPK-ID: 54076352 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 3 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .491227282616533 0.00049883   a 1.679778908996415 0.0014561 au q .8546256801335418 9.7073e-05 au i 4.367070363635465 0.003635 deg node 216.6284719911381 0.00016297 deg peri 231.7196710136704 0.00017574 deg M 274.4845278228123 0.11572 deg tp 2459189.394281373581 (2020-Dec-05.89428137) 0.010004 TDB period 795.2004422496719 2.18 1.034 0.002831 d yr n .4527160460091514 0.00058867 deg/d Q 2.504932137859289 0.0021714 au   Orbit Determination Parameters    # obs. used (total)      34      data-arc span      3 days      first obs. used      2020-10-23      last obs. used      2020-10-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .33881      source      ORB      producer      Otto Matic      solution date      2020-Oct-27 07:16:07   Additional Information  Earth MOID = .00397932 au   Jupiter MOID = 2.74521 au   T_jup = 4.085  [ 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 26.8   .42807 3 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-19 19:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin