+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117365 (2004 XR106) Classification: Main-belt Asteroid          SPK-ID: 2117365 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06786629931777299 3.8606e-08   a 3.12338491403589 2.7323e-08 au q 2.911412338575314 1.3166e-07 au i 11.4502193906664 5.335e-06 deg node 55.88078153239668 2.4737e-05 deg peri 55.30595088754821 5.2033e-05 deg M 257.443973600689 4.6259e-05 deg tp 2459574.874795444157 (2021-Dec-26.37479544) 0.00026096 TDB period 2016.214293978199 5.52 2.6456e-05 7.243e-08 d yr n .1785524490502856 2.3429e-09 deg/d Q 3.335357489496467 2.9177e-08 au   Orbit Determination Parameters    # obs. used (total)      746      data-arc span      8041 days (22.02 yr)      first obs. used      1998-11-11      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52402      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:44:13   Additional Information  Earth MOID = 1.94589 au   Jupiter MOID = 1.86104 au   T_jup = 3.181  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6   n/a MPO439763   diameter diameter 4.323 km 1.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.180   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   117365 (2004 XR106)          Discovered 2004-Dec-11 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2004 XR106 = 2003 QB95  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-24 23:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin