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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 2456901.5 (2014-Sep-01.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001421635938555 4.1231e-06  
a -2431.584787862759 7.0498 au
q 3.45682832206944 3.5667e-06 au
i 11.3548052363856 9.1343e-06 deg
node 164.6191101568878 4.6419e-05 deg
peri 104.0248380989213 0.00013969 deg
M -.001789755576470237 7.7784e-06 deg
tp 2457119.232759607673
(2015-Apr-06.73275961)
0.00067465 JED
period n/a
n/a
n/a
n/a
d
yr
n 8.219964601078639E-6 3.5748e-08 deg/d
Q n/a n/a au
  Orbit Determination Parameters
   # obs. used (total)      1551  
   data-arc span      1416 days (3.88 yr)  
   first obs. used      2012-01-19  
   last obs. used      2015-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .57684  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:30:02  

Additional Information
 Earth MOID = 2.46644 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 7.8 mag 0.9 73 2 parameter fit from 232 observations, autocmod 2.6
comet total magnitude slope K1 8.   n/a 73 autocmod 2.6
comet nuclear magnitude M2 10.6 mag 0.7 73 from 1188 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 73 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 73 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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