+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2017 MZ4) Classification: TransNeptunian Object          SPK-ID: 3776082 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .9522983895482148 5.5884e-06   a 66.79833573524726 0.0079017 au q 3.186388190070329 4.5408e-06 au i 65.82569398679006 8.1034e-05 deg node 314.7732320321799 8.6894e-06 deg peri 341.3563523253414 0.0002102 deg M 1.963994081458558 0.00034919 deg tp 2457912.611053322203 (2017-Jun-08.11105332) 0.00084486 TDB period 199409.9801528709 545.95 35.383 0.09687 d yr n .001805325890529742 3.2033e-07 deg/d Q 130.4102832804242 0.015426 au   Orbit Determination Parameters    # obs. used (total)      170      data-arc span      392 days (1.07 yr)      first obs. used      2017-06-20      last obs. used      2018-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .35445      source      ORB      producer      Otto Matic      solution date      2018-Dec-30 23:20:30   Additional Information  Earth MOID = 2.20837 au   Jupiter MOID = 1.77517 au   T_jup = 0.973  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.3   n/a MPO435133   [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ] 2021-Jan-17 20:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin