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17689 (1997 CS)
Classification: Main-belt Asteroid          SPK-ID: 2017689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09578044303255287 2.2133e-08  
a 2.999336555908633 1.5116e-08 au
q 2.712058771779973 6.472e-08 au
i 10.0494952538377 6.6388e-07 deg
node 348.2326137018028 2.4399e-06 deg
peri 239.4792541198167 7.5672e-06 deg
M 142.3062021067723 1.0998e-05 deg
tp 2458450.506403318754
(2018-Nov-28.00640332)
5.443e-05 TDB
period 1897.300966564122
5.19
1.4343e-05
3.927e-08
d
yr
n .1897432227908124 1.4344e-09 deg/d
Q 3.286614340037294 1.6564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2634  
   data-arc span      10567 days (28.93 yr)  
   first obs. used      1992-03-08  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:15  

Additional Information
 Earth MOID = 1.71954 au 
 Jupiter MOID = 1.76798 au 
 T_jup = 3.223 
[ 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 12.83   n/a E2021B10  
diameter diameter 9.412 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 137.105 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.199   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17689 (1997 CS)          Discovered 1997-Feb-01 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CS = 1992 EF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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