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43621 (2002 CK117)
Classification: Main-belt Asteroid          SPK-ID: 2043621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06155626839494091 3.9325e-08  
a 2.791257766156985 1.7785e-08 au
q 2.619438353943962 1.1145e-07 au
i 15.09513319374744 4.3463e-06 deg
node 69.2670044446084 1.7108e-05 deg
peri 222.7339210568597 5.1101e-05 deg
M 257.8658712980902 5.2075e-05 deg
tp 2459683.744289931095
(2022-Apr-14.24428993)
0.00024846 TDB
period 1703.328227168213
4.66
1.628e-05
4.457e-08
d
yr
n .2113509271190209 2.02e-09 deg/d
Q 2.963077178370007 1.888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1093  
   data-arc span      9226 days (25.26 yr)  
   first obs. used      1995-12-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:26:23  

Additional Information
 Earth MOID = 1.61854 au 
 Jupiter MOID = 2.13922 au 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.27   n/a MPCxxxxx  
diameter diameter 3.879 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.98922 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.426   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43621 (2002 CK117)          Discovered 2002-Feb-09 by LONEOS at Anderson Mesa
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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