+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 UK44) Classification: Amor [NEO]          SPK-ID: 3788160 [ 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 1 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4079864232171061 0.00060857   a 1.720276444767508 0.0018264 au q 1.018427011122173 3.4378e-05 au i 14.96958777815615 0.014633 deg node 33.83031714964275 0.0010684 deg peri 349.2914942442141 0.0029474 deg M 144.5894358683768 0.80106 deg tp 2458869.498582631824 (2020-Jan-20.99858263) 1.3067 TDB period 824.1301277433433 2.26 1.3124 0.003593 d yr n .4368242197209345 0.00069564 deg/d Q 2.422125878412843 0.0025715 au   Orbit Determination Parameters    # obs. used (total)      63      data-arc span      2 days      first obs. used      2017-10-29      last obs. used      2017-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      7      norm. resid. RMS      .54714      source      ORB      producer      Otto Matic      solution date      2017-Oct-31 15:42:09   Additional Information  Earth MOID = .0283751 au   Jupiter MOID = 3.03637 au   T_jup = 4.039  [ 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 25.1   n/a MPO421622   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Mar-05 14:10 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin