+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 GW147) Classification: TransNeptunian Object          SPK-ID: 3517549 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9683094048277336 7.35e-05   a 170.0708227032344 0.39643 au q 5.389645592902489 8.2975e-05 au i 99.89732693857664 8.6936e-05 deg node 313.2768183595829 0.00017106 deg peri 50.13143897831999 0.0016646 deg M 1.816161064933758 0.0063575 deg tp 2454913.590640220105 (2009-Mar-23.09064022) 0.017053 TDB period 810108.4193071969 2217.96 2832.5 7.755 d yr n .0004443849630742899 1.5538e-06 deg/d Q 334.7519998135664 0.78029 au   Orbit Determination Parameters    # obs. used (total)      127      data-arc span      1065 days (2.92 yr)      first obs. used      2010-04-13      last obs. used      2013-03-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .80307      source      ORB      producer      Otto Matic      solution date      2018-Oct-18 04:51:18   Additional Information  Earth MOID = 4.68064 au   Jupiter MOID = 1.34635 au   T_jup = -0.460  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2   n/a E2013S24   diameter diameter 15.900 km 0.700 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   geometric albedo albedo 0.037   0.006 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-Mar-02 09:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin