+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 5 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2571693545964528 3.1476e-05   a 39.49401489352999 0.0019717 au q 29.33736457293818 0.00022205 au i 4.733241517097942 3.5631e-05 deg node 15.87378584177377 0.00039614 deg peri 29.59415978708626 0.00082865 deg M 14.58390384611471 0.00094013 deg tp 2455527.959051746448 (2010-Nov-27.45905175) 0.10502 TDB period 90655.75001877858 248.20 6.7888 0.01859 d yr n .003971066368381807 2.9738e-07 deg/d Q 49.65066521412179 0.0024788 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.      DE441      SB-pert. ephem.      SB441-N16      condition code      2      norm. resid. RMS      .65755      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:51:21   Additional Information  Earth MOID = 28.3469 au   Jupiter MOID = 24.3553 au   T_jup = 5.438  [ 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 8.1   n/a MPO542755   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-Apr-15 12:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin