+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   208996 (2003 AZ84) Classification: TransNeptunian Object          SPK-ID: 2208996 [ 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 30 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .183236941437641 2.4145e-05   a 39.28957148141215 0.0014616 au q 32.09027057276262 0.0021174 au i 13.59137681810144 7.5817e-05 deg node 252.1737364250838 0.00036124 deg peri 15.9084452443253 0.0064282 deg M 233.388125041251 0.0069121 deg tp 2490636.845110682043 (2107-Jan-12.34511068) 1.1484 TDB period 89952.7334506039 246.28 5.0194 0.01374 d yr n .004002101839380882 2.2332e-07 deg/d Q 46.48887239006168 0.0017294 au   Orbit Determination Parameters    # obs. used (total)      239      data-arc span      8712 days (23.85 yr)      first obs. used      1996-03-19      last obs. used      2020-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .40414      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 01:59:54   Additional Information  Earth MOID = 31.0765 au   Jupiter MOID = 26.8222 au   T_jup = 5.384  [ 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 3.6   n/a MPO440113   rotation period rot_per 13.42 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 [Result based on less than full coverage, so that the period may be wrong by 30 percent or so.] 208996 (2003 AZ84)          Discovered 2003-Jan-13 by Trujillo, C. A., Brown, M. E. at Palomar Reference: 20090311/Numbers.arc Last Updated: 2009-03-12 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2020-Sep-24 06:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin