+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   322731 (2000 SK163) Classification: Main-belt Asteroid          SPK-ID: 2322731 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1860100482345111 6.4535e-08   a 2.661253052619046 2.7101e-08 au q 2.166233243937137 1.7518e-07 au i 2.649144846920404 4.9127e-06 deg node 245.3864146497115 0.00018518 deg peri 53.00008480461131 0.00018593 deg M 243.0880009738464 1.6583e-05 deg tp 2459515.472776828871 (2021-Oct-27.97277683) 7.4201e-05 TDB period 1585.724315747274 4.34 2.4223e-05 6.632e-08 d yr n .2270255910343089 3.4679e-09 deg/d Q 3.156272861300955 3.2143e-08 au   Orbit Determination Parameters    # obs. used (total)      194      data-arc span      7080 days (19.38 yr)      first obs. used      2000-09-27      last obs. used      2020-02-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58348      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 18:09:56   Additional Information  Earth MOID = 1.15173 au   Jupiter MOID = 2.06139 au   T_jup = 3.359  [ 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 16.6   n/a MPO427676   diameter diameter 3.130 km 0.798 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.045   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   322731 (2000 SK163)          Discovered 2000-Sep-30 by Kusnirak, P., Pravec, P. at Ondrejov Reference: 20120406/Numbers.arc Last Updated: 2012-04-09 [ show close-approach data ] Alternate Designations  2000 SK163 = 2004 PF48  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-26 03:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin