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

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2456467.5 (2013-Jun-24.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9986042115556008 4.0591e-05  
a 3683.362933975654 107.07 AU
q 5.141195419771731 0.00018257 AU
i 27.61565990295599 0.00029994 deg
node 241.024674612863 0.0010684 deg
peri 80.16912184930884 0.011587 deg
M 359.9993650994658 2.7443e-05 deg
tp 2456611.501955193743
(2013-Nov-15.00195519)
0.089409 JED
period 81651693.56825207
223550.15
3.5602e+06
9747
d
yr
n 4.408971624073891E-6 1.9224e-07 deg/d
Q 7361.584672531538 213.99 AU
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      171 days  
   first obs. used      2013-04-14  
   last obs. used      2013-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .48577  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:33:41  

Additional Information
 Earth MOID = 4.26445 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 5.6 mag 0.6 23 from 42 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 14.   n/a 23 autocmod 2.5c
comet nuclear magnitude M2 12.2 mag 0.6 23 from 68 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.5c

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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