+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2016 US109) Classification: TransNeptunian Object          SPK-ID: 3763277 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 6 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .948231152997676 4.7961e-05   a 35.85706580500958 0.033428 au q 1.856278953611804 1.1219e-05 au i 87.18032524685354 0.00051694 deg node 256.195169718958 0.00021596 deg peri 173.7015078760704 0.00060289 deg M 6.096760290607551 0.0085307 deg tp 2457672.319289980530 (2016-Oct-10.81928998) 0.0011934 TDB period 78426.0874326357 214.72 109.67 0.3003 d yr n .004590309319067115 6.419e-06 deg/d Q 69.85785265640735 0.065125 au   Orbit Determination Parameters    # obs. used (total)      91      data-arc span      89 days      first obs. used      2016-10-19      last obs. used      2017-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .51497      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 10:48:23   Additional Information  Earth MOID = .875415 au   Jupiter MOID = 3.21248 au   T_jup = 0.227  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.1   n/a E2017B06   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-21 06:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin