+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134043 (2004 XB13) Classification: Main-belt Asteroid          SPK-ID: 2134043 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07955088374674134 4.4344e-08   a 3.020669048983261 2.4159e-08 au q 2.780372156630214 1.3345e-07 au i 2.428213064877518 4.6675e-06 deg node 63.00478852542289 9.9757e-05 deg peri 130.6775523469984 0.00010317 deg M 234.3811741711879 2.7695e-05 deg tp 2459669.622100168823 (2022-Mar-31.12210017) 0.00015115 TDB period 1917.578471789272 5.25 2.3005e-05 6.298e-08 d yr n .1877367759891922 2.2522e-09 deg/d Q 3.260965941336308 2.6081e-08 au   Orbit Determination Parameters    # obs. used (total)      556      data-arc span      8625 days (23.61 yr)      first obs. used      1996-04-17      last obs. used      2019-11-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58601      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 10:54:23   Additional Information  Earth MOID = 1.78012 au   Jupiter MOID = 1.6942 au   T_jup = 3.240  [ 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 15.3   n/a MPO453824   diameter diameter 4.056 km 0.858 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.081   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134043 (2004 XB13)          Discovered 2004-Dec-08 by LINEAR at Socorro Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  2004 XB13 = 1996 HK14 = 2005 XB68  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-25 11:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin