+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100194 (1994 CK11) Classification: Main-belt Asteroid          SPK-ID: 2100194 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3161033259777219 3.7097e-08   a 3.150934313942555 2.3741e-08 au q 2.154913497367982 1.2682e-07 au i 11.25330508312068 7.0361e-06 deg node 346.5618963726437 1.8347e-05 deg peri 72.74013572941655 2.2342e-05 deg M 305.1519686654199 9.0543e-06 deg tp 2459311.754754932143 (2021-Apr-07.25475493) 5.083e-05 TDB period 2042.948653745496 5.59 2.309e-05 6.322e-08 d yr n .1762158825382048 1.9916e-09 deg/d Q 4.146955130517128 3.1246e-08 au   Orbit Determination Parameters    # obs. used (total)      712      data-arc span      9763 days (26.73 yr)      first obs. used      1994-02-07      last obs. used      2020-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51997      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:07:32   Additional Information  Earth MOID = 1.19801 au   Jupiter MOID = 1.55445 au   T_jup = 3.100  [ 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 14.6   n/a MPO453456   diameter diameter 6.021 km 0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.074   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100194 (1994 CK11)          Discovered 1994-Feb-07 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1994 CK11 = 2003 QO53  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-02 01:18 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin