+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1066785256996566 4.4976e-08   a 3.059451263923964 2.5746e-08 au q 2.733073513638604 1.4585e-07 au i 8.72019447788672 5.0026e-06 deg node 281.9829275953342 3.3312e-05 deg peri 166.9076966040232 4.3773e-05 deg M 349.7280340264743 2.6053e-05 deg tp 2459256.271818752806 (2021-Feb-10.77181875) 0.00014151 TDB period 1954.62629089284 5.35 2.4673e-05 6.755e-08 d yr n .1841784292359836 2.3249e-09 deg/d Q 3.385829014209324 2.8493e-08 au   Orbit Determination Parameters    # obs. used (total)      650      data-arc span      8133 days (22.27 yr)      first obs. used      1998-10-12      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49178      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 09:59:01   Additional Information  Earth MOID = 1.75018 au   Jupiter MOID = 1.80368 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 ] 2021-Apr-11 05:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin