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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 2456720.5 (2014-Mar-04.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001087814929784 4.6942e-06  
a -3177.540920540102 13.708 AU
q 3.456576453362916 6.4025e-06 AU
i 11.35540212278429 2.7477e-05 deg
node 164.6228333761377 0.00012142 deg
peri 104.0339065855014 0.00020061 deg
M -.002194497934752652 1.4197e-05 deg
tp 2457119.311644876364
(2015-Apr-06.81164488)
0.00078849 JED
period n/a
n/a
n/a
n/a
d
yr
n 5.502592421625426E-6 3.5608e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      1138 days (3.12 yr)  
   first obs. used      2012-01-19  
   last obs. used      2015-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .45439  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-03 13:44:12  

Additional Information
 Earth MOID = 2.46587 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 54 2 parameter fit from 186 observations, autocmod 2.6
comet total magnitude slope K1 10.   n/a 54 autocmod 2.6
comet nuclear magnitude M2 10.3 mag 0.6 54 from 741 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 54 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 54 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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