+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .8530670774744749 9.1996e-06   a 71.66328489524173 0.0045921 au q 10.52969588743719 1.5599e-05 au i 144.0009864610512 1.7428e-05 deg node 349.9776161500038 1.2543e-05 deg peri 345.5077450109179 9.9037e-05 deg M 3.080836810120723 0.00029512 deg tp 2457304.188460253769 (2015-Oct-08.68846025) 0.0026917 TDB period 221586.6001295578 606.67 21.298 0.05831 d yr n .001624646976800557 1.5616e-07 deg/d Q 132.7968739030463 0.0085094 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.      DE441      SB-pert. ephem.      SB441-N16      condition code      2      norm. resid. RMS      .71992      source      ORB      producer      Otto Matic      solution date      2021-Apr-14 19:24:00   Additional Information  Earth MOID = 9.53661 au   Jupiter MOID = 5.61241 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-May-08 20:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin