+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 GW64) Classification: TransNeptunian Object          SPK-ID: 3516402 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9410326068404509 9.0202e-05   a 62.90304162825738 0.097121 au q 3.709228386624938 6.0274e-05 au i 105.2113247153614 0.00062417 deg node 301.8679160403119 0.00012479 deg peri 152.760969549477 0.0017766 deg M 7.300240345077516 0.01691 deg tp 2455305.277840814481 (2010-Apr-18.77784081) 0.0091455 TDB period 182224.1343333007 498.90 422.03 1.155 d yr n .001975589025664047 4.5754e-06 deg/d Q 122.0968548698898 0.18852 au   Orbit Determination Parameters    # obs. used (total)      38      data-arc span      252 days      first obs. used      2010-04-06      last obs. used      2010-12-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      4      norm. resid. RMS      .56864      source      ORB      producer      Otto Matic      solution date      2018-Oct-03 14:15:32   Additional Information  Earth MOID = 2.80707 au   Jupiter MOID = 1.32962 au   T_jup = -0.535  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.9   n/a MPO190721   diameter diameter 6.420 km 0.380 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   geometric albedo albedo 0.047   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-21 05:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin