+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233890 (2008 XV53) Classification: Main-belt Asteroid          SPK-ID: 2233890 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ 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 .1169922419884959 6.1668e-08   a 3.07077343111894 3.3025e-08 au q 2.711516762773629 1.9041e-07 au i 4.832418556281716 4.9906e-06 deg node 91.64432144122144 7.9042e-05 deg peri 269.768130919541 8.2045e-05 deg M 112.2655632578872 2.0898e-05 deg tp 2458387.565386700869 (2018-Sep-26.06538670) 0.0001147 TDB period 1965.486605013627 5.38 3.1707e-05 8.681e-08 d yr n .1831607496493236 2.9547e-09 deg/d Q 3.430030099464251 3.6888e-08 au   Orbit Determination Parameters    # obs. used (total)      303      data-arc span      6274 days (17.18 yr)      first obs. used      2002-10-03      last obs. used      2019-12-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62129      source      ORB      producer      Otto Matic      solution date      2019-Dec-14 16:01:08   Additional Information  Earth MOID = 1.71416 au   Jupiter MOID = 2.03414 au   T_jup = 3.215  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.7   n/a MPO470490   diameter diameter 4.869 km 1.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   233890 (2008 XV53)          Discovered 2008-Dec-01 by LINEAR at Socorro Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 Alternate Designations  2008 XV53 = 2004 AA12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-11 16:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin