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C/2013 G3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003244
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456812.5 (2014-Jun-04.0) TDB
Reference: JPL 63 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000450838744376 4.9784e-06  
a -8544.501961341917 94.348 au
q 3.852192535569781 2.8512e-06 au
i 64.67168704326185 2.0066e-05 deg
node 208.130716284848 2.1162e-05 deg
peri 76.49554599598032 7.8914e-05 deg
M -.0002048935895468689 3.3932e-06 deg
tp 2456976.692920512950
(2014-Nov-15.19292051)
0.00048748 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.247883215103106E-6 2.0669e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      886  
   data-arc span      935 days (2.56 yr)  
   first obs. used      2013-04-10  
   last obs. used      2015-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .54893  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-23 12:44:09  

Additional Information
 Earth MOID = 3.39345 au 
 T_jup = 1.977 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 7.4 mag 0.6 63 2 parameter fit from 205 observations, autocmod 2.6
comet total magnitude slope K1 12.   n/a 63 autocmod 2.6
comet nuclear magnitude M2 12.0 mag 0.4 63 from 633 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 63 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 63 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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