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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 2456792.5 (2014-May-15.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.001235084504258 4.6038e-06  
a -2798.745806635509 10.429 AU
q 3.456687577132324 3.9449e-06 AU
i 11.35516166482249 1.3104e-05 deg
node 164.6217313817289 6.5041e-05 deg
peri 104.0295439992231 0.00016323 deg
M -.002175246208187582 1.2154e-05 deg
tp 2457119.275531877952
(2015-Apr-06.77553188)
0.00075398 JED
period n/a
n/a
n/a
n/a
d
yr
n 6.656698546817814E-6 3.7209e-08 deg/d
Q n/a n/a AU
  Orbit Determination Parameters
   # obs. used (total)      1210  
   data-arc span      1255 days (3.44 yr)  
   first obs. used      2012-01-19  
   last obs. used      2015-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .48383  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-30 10:43:30  

Additional Information
 Earth MOID = 2.46696 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 7.7 mag 0.9 62 2 parameter fit from 203 observations, autocmod 2.6
comet total magnitude slope K1 8.   n/a 62 autocmod 2.6
comet nuclear magnitude M2 10.5 mag 0.7 62 from 896 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a 62 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a 62 autocmod 2.6
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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