+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2013 BN27) Classification: TransNeptunian Object          SPK-ID: 3625117 [ 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 .9737267088736258 0.00061831   a 59.34326791600011 1.4106 au q 1.559142954347494 0.00036965 au i 101.7929914732572 0.010215 deg node 128.4116174062469 0.00022992 deg peri 300.4131425428563 0.026574 deg M 5.997271801290571 0.21392 deg tp 2456218.822065362213 (2012-Oct-18.32206536) 0.037985 TDB period 166976.6003025089 457.16 5953.7 16.3 d yr n .00215599071575175 7.6874e-05 deg/d Q 117.1273928776527 2.7842 au   Orbit Determination Parameters    # obs. used (total)      59      data-arc span      52 days      first obs. used      2012-12-21      last obs. used      2013-02-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      6      norm. resid. RMS      .50532      source      ORB      producer      Otto Matic      solution date      2020-Aug-28 00:45:29   Additional Information  Earth MOID = .892148 au   Jupiter MOID = .433717 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 MPO254839   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-17 20:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin