+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134082 (2004 XN89) Classification: Main-belt Asteroid          SPK-ID: 2134082 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .167683640687905 4.6357e-08   a 2.342492756693161 1.1763e-08 au q 1.949695042965805 1.1006e-07 au i 6.801839568699569 5.7958e-06 deg node 30.58441491318749 3.4392e-05 deg peri 16.03280934617599 3.7575e-05 deg M 184.5706678207576 1.6331e-05 deg tp 2459838.639343513119 (2022-Sep-16.13934351) 6.2089e-05 TDB period 1309.531084744707 3.59 9.8635e-06 2.7e-08 d yr n .2749075636262441 2.0706e-09 deg/d Q 2.735290470420517 1.3735e-08 au   Orbit Determination Parameters    # obs. used (total)      547      data-arc span      7208 days (19.73 yr)      first obs. used      2000-08-26      last obs. used      2020-05-21      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50252      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:06:50   Additional Information  Earth MOID = .959034 au   Jupiter MOID = 2.66341 au   T_jup = 3.535  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.39   n/a E2021B55   134082 (2004 XN89)          Discovered 2004-Dec-11 by LINEAR at Socorro Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-18 09:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin