+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   19299 (1996 SZ4) Classification: TransNeptunian Object          SPK-ID: 2019299 [ 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 4 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2557819453204495 3.145e-05   a 39.42338800136887 0.0019636 au q 29.33959712725587 0.00022203 au i 4.73490948863196 3.5661e-05 deg node 15.9016794443039 0.00039607 deg peri 29.56362866119186 0.00083098 deg M 13.83709167781421 0.00088668 deg tp 2455525.365156117660 (2010-Nov-24.86515612) 0.10549 TDB period 90412.68013014033 247.54 6.7551 0.01849 d yr n .003981742378190921 2.9749e-07 deg/d Q 49.50717887548187 0.0024659 au   Orbit Determination Parameters    # obs. used (total)      73      data-arc span      8536 days (23.37 yr)      first obs. used      1996-09-16      last obs. used      2020-01-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .65755      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:09:37   Additional Information  Earth MOID = 28.35 au   Jupiter MOID = 24.3565 au   T_jup = 5.436  [ 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 7.9   n/a MPO234938   19299 (1996 SZ4)          Discovered 1996-Sep-16 by Fitzsimmons, A., Irwin, M. J., Williams, I. P. at La Palma Reference: 20001211/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 13:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin