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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 2456708.5 (2014-Feb-20.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001069812056344 5.7555e-06  
a -3230.924705579356 17.386 AU
q 3.456482203168267 1.678e-05 AU
i 11.35542682263315 3.1978e-05 deg
node 164.6230409480752 0.00012964 deg
peri 104.0356589177398 0.00027792 deg
M -.002204754395454835 1.7789e-05 deg
tp 2457119.315100739212
(2015-Apr-06.81510074)
0.0014344 JED
period n/a
n/a
n/a
n/a
d
yr
n 5.36678031427678E-6 4.3319e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      920 days (2.52 yr)  
   first obs. used      2012-01-19  
   last obs. used      2014-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .44254  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-28 13:13:15  

Additional Information
 Earth MOID = 2.46692 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 6.1 mag 0.8 45 2 parameter fit from 174 observations, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 45 autocmod 2.5c
comet nuclear magnitude M2 10.3 mag 0.6 45 from 705 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 45 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 45 autocmod 2.5c
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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