+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1828838057511056 1.08e-05   a 39.27457401287166 0.0006873 au q 32.09189044814422 0.00095297 au i 13.58548801636797 4.0618e-05 deg node 252.1379824983248 0.000204 deg peri 16.18886918681365 0.0038022 deg M 233.8397757819396 0.0045054 deg tp 2490705.943903637635 (2107-Mar-22.44390364) 0.72456 TDB period 89901.23373358669 246.14 2.3599 0.006461 d yr n .004004394434305807 1.0511e-07 deg/d Q 46.45725757759911 0.000813 au   Orbit Determination Parameters    # obs. used (total)      409      data-arc span      9017 days (24.69 yr)      first obs. used      1996-03-19      last obs. used      2020-11-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      2      norm. resid. RMS      .43944      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 12:35:49   Additional Information  Earth MOID = 31.0764 au   Jupiter MOID = 26.8245 au   T_jup = 5.383  [ 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 3.83   n/a E2021B55   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-Mar-02 18:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin