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C/2012 E3 (PANSTARRS)
Classification: Comet          SPK-ID: 1003177
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456016.5 (2012-Mar-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .9826738902863271 0.00034314  
a 220.9043800720723 4.3844 AU
q 3.827413525359616 0.00033404 AU
i 105.6584802146931 0.0033881 deg
node 5.531048536895711 0.0016627 deg
peri 103.5177422632479 0.0089035 deg
M .09668397538590143 0.0028922 deg
tp 2455694.425073842402
(2011-May-12.92507384)
0.051666 JED
period 1199236.71894901
3283.33
35703
97.75
d
yr
n .0003001909417145746 8.937e-06 deg/d
Q 437.9813466187849 8.6928 AU
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      96 days  
   first obs. used      2012-03-14  
   last obs. used      2012-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   fit RMS      .45149  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-13 19:44:53  

Additional Information
 Earth MOID = 3.43757 AU 
 T_jup = -0.628 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 9.9 mag 0.6 10 from 44 observations, assumed slope, autocmod 2.5c
comet total magnitude slope K1 10.   n/a 10 autocmod 2.5c
comet nuclear magnitude M2 13.2 mag 0.5 10 from 11 observations, autocmod 2.5c
comet nuclear magnitude slope K2 5.   n/a 10 autocmod 2.5c
comet nuclear phase coefficient PC 0.03   n/a 10 autocmod 2.5c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2011.4   C/2012 E3       
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
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