+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   523797 (2016 NM56) Classification: TransNeptunian Object          SPK-ID: 2523797 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .8537173037689404 9.2456e-06   a 71.95580626746043 0.0046541 au q 10.52588935028389 1.5683e-05 au i 144.005663113234 1.7422e-05 deg node 349.9853200317062 1.265e-05 deg peri 345.4866734716305 9.9349e-05 deg M 2.739149310854057 0.00026473 deg tp 2457304.169783752291 (2015-Oct-08.66978375) 0.0027016 TDB period 222944.7206215888 610.39 21.63 0.05922 d yr n .001614750055512817 1.5666e-07 deg/d Q 133.385723184637 0.0086273 au   Orbit Determination Parameters    # obs. used (total)      106      data-arc span      2142 days (5.86 yr)      first obs. used      2011-12-02      last obs. used      2017-10-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .71271      source      ORB      producer      Otto Matic      solution date      2018-Oct-04 12:53:06   Additional Information  Earth MOID = 9.53442 au   Jupiter MOID = 5.60782 au   T_jup = -3.061  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.4   n/a MPO450832   523797 (2016 NM56)          Discovered 2012-Nov-01 by Pan-STARRS 1 at Haleakala Reference: Last Updated: 2018-10-01 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 11:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin