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C/2013 G8 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003249
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456495.5 (2013-Jul-22.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9985387360138621 2.4388e-05  
a 3518.298834985957 58.733 AU
q 5.141163380035853 2.3602e-05 AU
i 27.61523826574806 5.8565e-05 deg
node 241.0230003665887 0.00022763 deg
peri 80.1699169185076 0.00098806 deg
M 359.9994521618298 1.3711e-05 deg
tp 2456611.497145201522
(2013-Nov-14.99714520)
0.0086243 JED
period 76225014.1463774
208692.71
1.9087e+06
5226
d
yr
n 4.722859077581543E-6 1.1826e-07 deg/d
Q 7031.456506591879 117.38 AU
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      520 days (1.42 yr)  
   first obs. used      2013-04-14  
   last obs. used      2014-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .44688  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-22 12:12:31  

Additional Information
 Earth MOID = 4.26426 AU 
 T_jup = 2.492 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 5.5 mag 0.6 27 from 47 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 14.   n/a 27 autocmod 2.6
comet nuclear magnitude M2 12.2 mag 0.6 27 from 68 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 27 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 27 autocmod 2.6

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2013.9   C/2013 G8       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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