+ 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 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1823113214267744 1.0249e-05   a 39.27091472867493 0.00060389 au q 32.11138237085203 0.00086514 au i 13.57883567402878 3.5926e-05 deg node 252.0965961889499 0.00018353 deg peri 16.39608348536211 0.003211 deg M 234.3579520088945 0.0038303 deg tp 2490768.157065878589 (2107-May-23.65706588) 0.69669 TDB period 89888.66963164917 246.10 2.0734 0.005677 d yr n .004004954144668379 9.2379e-08 deg/d Q 46.43044708649784 0.00071399 au   Orbit Determination Parameters    # obs. used (total)      435      data-arc span      9150 days (25.05 yr)      first obs. used      1996-03-19      last obs. used      2021-04-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      2      norm. resid. RMS      .43487      source      ORB      producer      Otto Matic      solution date      2021-Jul-09 03:24:44   Additional Information  Earth MOID = 31.0976 au   Jupiter MOID = 26.8441 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 3.82   n/a MPCxxxxx   rotation period rot_per 13.42 h n/a LCDB (Rev. 2020-October); 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 ] 2021-Jul-25 10:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin