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226P/Pigott-LINEAR-Kowalski
Classification: Jupiter-family Comet          SPK-ID: 1000425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457800.5 (2017-Feb-16.0) TDB
Reference: JPL K163/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5288240922535099 4.3345e-07  
a 3.770042047414623 9.0944e-07 au
q 1.776352983933021 1.2197e-06 au
i 44.00425137528314 2.3058e-05 deg
node 54.00682436197214 1.5731e-05 deg
peri 341.121463702107 0.00013125 deg
M 22.06358509699271 2.5791e-05 deg
tp 2457636.633076922036
(2016-Sep-05.13307692)
0.00023114 TDB
period 2673.731039118739
7.32
0.00096747
2.649e-06
d
yr
n .1346433110634254 4.872e-08 deg/d
Q 5.763731110896225 1.3904e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.146683805758269E-9 2.513E-10
A2 [EST] 4.28672716816746E-10 1.999E-11
  Orbit Determination Parameters
   # obs. used (total)      1174  
   data-arc span      5184 days (14.19 yr)  
   first obs. used      2003-01-05  
   last obs. used      2017-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .66337  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Oct-04 16:02:31  

Additional Information
 Earth MOID = .808269 au 
 Jupiter MOID = .0754057 au 
 T_jup = 2.419 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.9   01. K163/7 2 parameter fit from 183 observations, autocmod 2.6k
comet total magnitude slope K1 15.   n/a K163/7 autocmod 2.6k
comet nuclear magnitude M2 15.6   0.8 K163/7 from 878 observations, autocmod 2.6k
comet nuclear magnitude slope K2 5.   n/a K163/7 autocmod 2.6k
comet nuclear phase coefficient PC 0.03   n/a K163/7 autocmod 2.6k

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.4   226P/2009 R2       
 2002.0   226P/2003 A1       
 1782.4   226P/1783 W1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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