+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 HU2) Classification: Aten [NEO]          SPK-ID: 3774066 [ 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 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1639503377629701 4.0249e-05   a .8683745406896038 2.8829e-05 au q .7260042414387793 5.9054e-05 au i 6.235288087036534 0.0018978 deg node 32.98204276685163 3.533e-05 deg peri 5.419251457879103 0.0012101 deg M 356.3352183043407 0.082113 deg tp 2459203.508878554802 (2020-Dec-20.00887855) 0.067567 TDB period 295.5691142562491 0.81 0.014719 4.03e-05 d yr n 1.21798923715653 6.0654e-05 deg/d Q 1.010744839940428 3.3556e-05 au   Orbit Determination Parameters    # obs. used (total)      120      data-arc span      9 days      first obs. used      2017-04-22      last obs. used      2017-05-01      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      6      norm. resid. RMS      .32543      source      ORB      producer      Otto Matic      solution date      2021-Apr-15 19:01:02   Additional Information  Earth MOID = .00325183 au   Jupiter MOID = 4.20684 au   T_jup = 6.793  [ 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 25.9   n/a MPO438036   [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Apr-21 20:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin