+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2010 BK118) Classification: TransNeptunian Object          SPK-ID: 3547316 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9837886340253912 8.1575e-06   a 376.1242913232195 0.18965 au q 6.097488538581095 6.6132e-06 au i 143.9315438865382 2.3816e-05 deg node 175.8775271608627 1.986e-05 deg peri 178.7910157384995 9.143e-05 deg M .3996534385231295 0.00030226 deg tp 2456042.647223678045 (2012-Apr-25.14722368) 0.001062 TDB period 2664375.923827509 7294.66 2015.2 5.517 d yr n .000135116068562443 1.0219e-07 deg/d Q 746.1510941078579 0.37623 au   Orbit Determination Parameters    # obs. used (total)      309      data-arc span      2282 days (6.25 yr)      first obs. used      2010-01-30      last obs. used      2016-04-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      1      norm. resid. RMS      .45061      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 20:00:19   Additional Information  Earth MOID = 5.09367 au   Jupiter MOID = 1.13513 au   T_jup = -2.451  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.2   n/a E2013R79   diameter diameter 46.400 km 1.800 urn:nasa:pds:neowise_diameters_albedos::2.0[centaurs] (http://adsabs.harvard.edu/abs/2013ApJ...773...22B)   geometric albedo albedo 0.068   0.013 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-25 19:55 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin