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P/2012 C3 (PANSTARRS)
Classification: Jupiter-family Comet          SPK-ID: 1003174
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455974.5 (2012-Feb-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6264431501747753 0.00096394  
a 9.703893041779768 0.026203 AU
q 3.624955715728168 0.00080851 AU
i 9.188732173058971 0.019827 deg
node 135.4404837242178 0.014522 deg
peri 344.8745701250185 0.33107 deg
M 4.38410518670893 0.042392 deg
tp 2455840.039137371197
(2011-Oct-05.53913737)
1.8432 JED
period 11041.22927823877
30.23
44.721
0.1224
d
yr
n .03260506515425111 0.00013206 deg/d
Q 15.78283036783137 0.042617 AU
  Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      58 days  
   first obs. used      2012-01-26  
   last obs. used      2012-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      6  
   fit RMS      .36446  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:52  

Additional Information
 Earth MOID = 2.64209 AU 
 T_jup = 2.638 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.5 mag 0.6 6 from 17 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 6 autocmod 2.5c
comet nuclear magnitude M2 15.9 mag 0.4 6 from 3 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 6 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 6 autocmod 2.5c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.8   P/2012 C3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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