+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .167608579151465 4.6354e-08   a 2.342721336451055 1.1811e-08 au q 1.950061141900672 1.1006e-07 au i 6.801455233636919 5.7962e-06 deg node 30.58495893882631 3.4437e-05 deg peri 16.07151315845677 3.7622e-05 deg M 129.5435088330089 1.6127e-05 deg tp 2458529.205326208309 (2019-Feb-14.70532621) 5.6946e-05 TDB period 1309.722764910752 3.59 9.905e-06 2.712e-08 d yr n .2748673304342628 2.0787e-09 deg/d Q 2.735381531001437 1.3791e-08 au   Orbit Determination Parameters    # obs. used (total)      543      data-arc span      7178 days (19.65 yr)      first obs. used      2000-08-26      last obs. used      2020-04-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50107      source      ORB      producer      Otto Matic      solution date      2020-May-20 22:16:58   Additional Information  Earth MOID = .960346 au   Jupiter MOID = 2.66234 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 16.4   n/a MPO264218   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 ] 2020-Oct-26 17:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin