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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 2456793.5 (2014-May-16.0) TDB
Reference: JPL 58 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000442808932552 5.0305e-06  
a -8699.447416492074 98.823 AU
q 3.852193024290048 3.6399e-06 AU
i 64.67196398123383 2.343e-05 deg
node 208.1310398479214 2.431e-05 deg
peri 76.49539245838332 9.6364e-05 deg
M -.0002225234936606543 3.7912e-06 deg
tp 2456976.693178093175
(2014-Nov-15.19317809)
0.00053434 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.214693123274903E-6 2.0698e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      861 days (2.36 yr)  
   first obs. used      2013-04-10  
   last obs. used      2015-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .53045  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Aug-27 15:14:04  

Additional Information
 Earth MOID = 3.39351 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 0.5 58 2 parameter fit from 195 observations, autocmod 2.6
comet total magnitude slope K1 12.   n/a 58 autocmod 2.6
comet nuclear magnitude M2 12.0 mag 0.4 58 from 617 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 58 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 58 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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