+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101503 (1998 XL10) Classification: Main-belt Asteroid          SPK-ID: 2101503 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1787177054674508 5.5658e-08   a 2.641120623452055 1.6773e-08 au q 2.169105605765941 1.5442e-07 au i 13.1408447845606 4.871e-06 deg node 81.54927354321313 2.3131e-05 deg peri 333.0711705193497 2.733e-05 deg M 10.15041426191037 1.4721e-05 deg tp 2458956.295951375145 (2020-Apr-16.79595138) 6.3892e-05 TDB period 1567.764338906177 4.29 1.4935e-05 4.089e-08 d yr n .2296263482119835 2.1875e-09 deg/d Q 3.113135641138169 1.9771e-08 au   Orbit Determination Parameters    # obs. used (total)      590      data-arc span      7978 days (21.84 yr)      first obs. used      1998-11-23      last obs. used      2020-09-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55878      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:00:13   Additional Information  Earth MOID = 1.18964 au   Jupiter MOID = 2.24219 au   T_jup = 3.335  [ 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 MPO453468   diameter diameter 6.045 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.058   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101503 (1998 XL10)          Discovered 1998-Dec-08 by ODAS at Caussols Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 XL10 = 2002 TB110  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-28 12:14 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin