+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134049 (2004 XB24) Classification: Main-belt Asteroid          SPK-ID: 2134049 [ 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 .1064686172889909 4.5114e-08   a 3.058596559476676 3.1372e-08 au q 2.73295201294433 1.4611e-07 au i 8.720465946814095 5.288e-06 deg node 281.9809081760453 3.8048e-05 deg peri 166.9836771558516 4.9084e-05 deg M 312.8106269431169 3.0584e-05 deg tp 2459256.608166549950 (2021-Feb-11.10816655) 0.00016739 TDB period 1953.807266030917 5.35 3.006e-05 8.23e-08 d yr n .1842556357830145 2.8349e-09 deg/d Q 3.384241106009022 3.4712e-08 au   Orbit Determination Parameters    # obs. used (total)      510      data-arc span      7710 days (21.11 yr)      first obs. used      1998-10-12      last obs. used      2019-11-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52372      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 10:54:23   Additional Information  Earth MOID = 1.75033 au   Jupiter MOID = 1.80493 au   T_jup = 3.208  [ 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 14.9   n/a MPO407044   diameter diameter 4.069 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.154   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134049 (2004 XB24)          Discovered 2004-Dec-09 by LINEAR at Socorro Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  2004 XB24 = 2000 AS87  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-30 17:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin