+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 8 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .8525830194400105 9.2002e-06   a 71.45885578706378 0.0045644 au q 10.53424875440068 1.5592e-05 au i 143.9972689172181 1.7442e-05 deg node 349.9703696834406 1.253e-05 deg peri 345.5358159557214 9.9168e-05 deg M 3.413608967061351 0.00032605 deg tp 2457304.345351647973 (2015-Oct-08.84535165) 0.0026953 TDB period 220639.1185031104 604.08 21.14 0.05788 d yr n .001631623632483489 1.5633e-07 deg/d Q 132.3834628197269 0.008456 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 = 9.54188 au   Jupiter MOID = 5.61747 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-Aug-05 22:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin