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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 2456765.5 (2014-Apr-18.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.000426797991016 6.2728e-06  
a -9025.742191484456 132.64 AU
q 3.852168634753647 1.078e-05 AU
i 64.67247182937513 3.8714e-05 deg
node 208.1315945149231 2.8865e-05 deg
peri 76.49578780886024 0.00025594 deg
M -.0002427538303933571 5.3505e-06 deg
tp 2456976.696347890518
(2014-Nov-15.19634789)
0.0010627 JED
period n/a
n/a
n/a
n/a
d
yr
n 1.14942248205541E-6 2.5338e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      541 days (1.48 yr)  
   first obs. used      2013-04-10  
   last obs. used      2014-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .52578  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 13:43:52  

Additional Information
 Earth MOID = 3.3935 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 42 2 parameter fit from 173 observations, autocmod 2.6
comet total magnitude slope K1 12.   n/a 42 autocmod 2.6
comet nuclear magnitude M2 12.1 mag 0.4 42 from 500 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 42 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 42 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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