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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6264896167183933 0.00096472  
a 9.705079983736944 0.026225 AU
q 3.624948144504235 0.00080752 AU
i 9.189447852018802 0.019829 deg
node 135.4409015495077 0.014522 deg
peri 344.8623931102215 0.33107 deg
M 4.385475912970199 0.042361 deg
tp 2455839.972418533095
(2011-Oct-05.47241853)
1.8432 JED
period 11043.2551196673
30.23
44.761
0.1225
d
yr
n .03259908388414064 0.00013213 deg/d
Q 15.78521182296965 0.042655 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.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      6  
   fit RMS      .36622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Mar-29 15:16:13  

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 5 from 17 observations, assumed slope, autocmod 2.5b
comet total magnitude slope K1 10.   n/a 5 autocmod 2.5b
comet nuclear magnitude M2 15.9 mag 0.4 5 from 3 observations, autocmod 2.5b
comet nuclear magnitude slope K2 5.   n/a 5 autocmod 2.5b
comet nuclear phase coefficient PC 0.03   n/a 5 autocmod 2.5b

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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