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20042 (1993 CK1)
Classification: Main-belt Asteroid          SPK-ID: 2020042
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1231835278568316 4.7889e-08  
a 2.582644208001176 1.3048e-08 au
q 2.264504983260578 1.2335e-07 au
i 8.542798977283692 5.1137e-06 deg
node 29.0546627490001 2.8539e-05 deg
peri 156.6380968110946 3.3017e-05 deg
M 180.6908675086017 1.6182e-05 deg
tp 2459755.583893595990
(2022-Jun-25.08389360)
6.9035e-05 TDB
period 1515.986374579089
4.15
1.1489e-05
3.146e-08
d
yr
n .2374691527817678 1.7996e-09 deg/d
Q 2.900783432741774 1.4656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      23182 days (63.47 yr)  
   first obs. used      1956-05-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:21:34  

Additional Information
 Earth MOID = 1.2679 au 
 Jupiter MOID = 2.05762 au 
 T_jup = 3.398 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456685.5 (2014-Jan-28.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1219134525272143 4.8073e-08  
q 2.268418694855283 1.2373e-07 au
tp 2456722.162539067288
(2014-Mar-05.66253907)
6.9076e-05 TDB
node 29.11308545116563 2.8509e-05 deg
peri 156.6254616138266 3.3042e-05 deg
i 8.546742296284265 5.1153e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      23182 days (63.47 yr)  
   first obs. used      1956-05-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48377  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:21:34  

Additional Information
 Jupiter MOID = 2.05762 au 
 T_jup = 3.398 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.311031103992353E-15 -5.922325659623532E-15 -1.284954522013935E-13 -2.851737616764945E-15 -4.606705380402515E-14 1.621597857415584E-15
q -5.922325659623532E-15 1.53084477125247E-14 2.172340903924225E-13 6.879578264952386E-15 8.992748230791737E-14 -3.963100110295148E-15
tp -1.284954522013935E-13 2.172340903924225E-13 4.771451540951855E-9 -3.274632861572154E-12 1.169979244127701E-9 -3.31179700840815E-12
node -2.851737616764945E-15 6.879578264952386E-15 -3.274632861572154E-12 8.127901173252734E-10 -8.04132245961344E-10 -2.846259294765087E-11
peri -4.606705380402515E-14 8.992748230791737E-14 1.169979244127701E-9 -8.04132245961344E-10 1.09179350329451E-9 2.739840922627696E-11
i 1.621597857415584E-15 -3.963100110295148E-15 -3.31179700840815E-12 -2.846259294765087E-11 2.739840922627696E-11 2.616605342310611E-11

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 14.0   n/a MPO439233  
diameter diameter 9.395 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20042 (1993 CK1)          Discovered 1993-Feb-15 by Kushida, Y., Muramatsu, O. at Yatsugatake
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 CK1 = 1995 UZ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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