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118339 (1999 CK18)
Classification: Main-belt Asteroid          SPK-ID: 2118339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09665365215882392 4.6647e-08  
a 2.435856254795023 1.1393e-08 au
q 2.200421851635169 1.1623e-07 au
i 6.815959540086963 4.882e-06 deg
node 56.6331697935753 3.7301e-05 deg
peri 123.0495304987925 4.4964e-05 deg
M 173.0359056385369 2.6103e-05 deg
tp 2458333.063980529749
(2018-Aug-02.56398053)
9.8458e-05 TDB
period 1388.596003370634
3.80
9.7419e-06
2.667e-08
d
yr
n .2592546709958457 1.8188e-09 deg/d
Q 2.671290657954877 1.2494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      967  
   data-arc span      7928 days (21.71 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57549  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:14  

Additional Information
 Earth MOID = 1.21105 au 
 Jupiter MOID = 2.29981 au 
 T_jup = 3.489 
[ 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 15.1   n/a MPO436568  

118339 (1999 CK18)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 CK18 = 2001 SN177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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