+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   146164 (2000 SK224) Classification: Main-belt Asteroid          SPK-ID: 2146164 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1276745107064988 3.8622e-08   a 2.904423254517297 2.4422e-08 au q 2.533602436612224 1.2015e-07 au i 3.149432493211652 4.7388e-06 deg node 62.47651753659021 8.8986e-05 deg peri 222.5639978070083 9.1814e-05 deg M 69.86506446041277 2.1349e-05 deg tp 2458649.630314032773 (2019-Jun-15.13031403) 0.00010814 TDB period 1807.957781528617 4.95 2.2803e-05 6.243e-08 d yr n .1991196938767133 2.5114e-09 deg/d Q 3.275244072422369 2.754e-08 au   Orbit Determination Parameters    # obs. used (total)      574      data-arc span      6967 days (19.07 yr)      first obs. used      2000-09-27      last obs. used      2019-10-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59363      source      ORB      producer      Otto Matic      solution date      2019-Nov-07 17:02:37   Additional Information  Earth MOID = 1.51832 au   Jupiter MOID = 1.86807 au   T_jup = 3.271  [ 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 15.2   n/a MPO493831   diameter diameter 3.344 km 0.832 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.158   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   146164 (2000 SK224)          Discovered 2000-Sep-27 by LINEAR at Socorro Reference: 20070106/Numbers.arc Last Updated: 2007-01-09 [ show close-approach data ] Alternate Designations  2000 SK224 = 2003 FX56  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-08 04:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin