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C/2012 F3 (PANSTARRS)
Classification: Hyperbolic Comet          SPK-ID: 1003181
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456716.5 (2014-Feb-28.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001085049396201 5.158e-06  
a -3185.582832302372 15.146 AU
q 3.456514728737674 1.5795e-05 AU
i 11.35538392296484 3.0467e-05 deg
node 164.6228484229406 0.00012684 deg
peri 104.0348965431593 0.00027107 deg
M -.002208116528313252 1.5742e-05 deg
tp 2457119.310950064804
(2015-Apr-06.81095007)
0.0012342 JED
period n/a
n/a
n/a
n/a
d
yr
n 5.481768874351631E-6 3.9094e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      960 days (2.63 yr)  
   first obs. used      2012-01-19  
   last obs. used      2014-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .44313  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:40:04  

Additional Information
 Earth MOID = 2.46528 AU 
 T_jup = 2.259 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 6.2 mag 0.8 53 2 parameter fit from 185 observations, autocmod 2.6
comet total magnitude slope K1 10.   n/a 53 autocmod 2.6
comet nuclear magnitude M2 10.3 mag 0.5 53 from 732 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 53 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 53 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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