+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3160741085690132 3.6942e-08   a 3.15001488901066 2.3433e-08 au q 2.154376740987497 1.2647e-07 au i 11.25483954332507 6.7033e-06 deg node 346.5614508994747 1.7571e-05 deg peri 72.79632471664407 2.1825e-05 deg M 340.3622212182543 8.8219e-06 deg tp 2459311.892820191676 (2021-Apr-07.39282019) 4.9855e-05 TDB period 2042.054537567124 5.59 2.2786e-05 6.238e-08 d yr n .1762930388866592 1.9672e-09 deg/d Q 4.145653037033824 3.0839e-08 au   Orbit Determination Parameters    # obs. used (total)      816      data-arc span      9835 days (26.93 yr)      first obs. used      1994-02-07      last obs. used      2021-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50221      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:24:39   Additional Information  Earth MOID = 1.19684 au   Jupiter MOID = 1.55611 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 14.77   n/a E2021B55   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 ] 2021-Mar-02 09:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin