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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 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001085557544813 5.1571e-06  
a -3184.093292381222 15.129 AU
q 3.45651649693286 1.5789e-05 AU
i 11.35538475584119 3.0465e-05 deg
node 164.6228529639973 0.00012684 deg
peri 104.0348588514357 0.00027096 deg
M -.002209666080620957 1.5742e-05 deg
tp 2457119.310934353794
(2015-Apr-06.81093435)
0.0012341 JED
period n/a
n/a
n/a
n/a
d
yr
n 5.485615935837975E-6 3.9096e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      1003  
   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      .44585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:32:48  

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 6.9 mag 0.8 50 2 parameter fit from 186 observations, autocmod 2.6
comet total magnitude slope K1 9.   n/a 50 autocmod 2.6
comet nuclear magnitude M2 10.3 mag 0.5 50 from 732 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 50 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 50 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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