+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160928 (2001 XZ200) Classification: Main-belt Asteroid          SPK-ID: 2160928 [ 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 .0973260159465574 5.46e-08   a 2.65111531617442 2.4163e-08 au q 2.393092824636266 1.4864e-07 au i 24.05868257935823 5.7726e-06 deg node 79.04591828913664 1.392e-05 deg peri 202.5631831015504 4.0713e-05 deg M 254.2161741714067 4.3314e-05 deg tp 2459463.795545004988 (2021-Sep-06.29554500) 0.00019211 TDB period 1576.671999668907 4.32 2.1556e-05 5.902e-08 d yr n .2283290374127263 3.1216e-09 deg/d Q 2.909137807712574 2.6515e-08 au   Orbit Determination Parameters    # obs. used (total)      613      data-arc span      7709 days (21.11 yr)      first obs. used      1999-04-10      last obs. used      2020-05-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54014      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 12:22:56   Additional Information  Earth MOID = 1.38659 au   Jupiter MOID = 2.20353 au   T_jup = 3.260  [ 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 15.2   n/a MPO502933   diameter diameter 5.844 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.062   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   160928 (2001 XZ200)          Discovered 2001-Dec-15 by LINEAR at Socorro Reference: 20070828/Numbers.arc Last Updated: 2007-08-30 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-01 15:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin