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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .982621414832102 0.00032393  
a 220.2356899599467 4.1141 AU
q 3.827384694979719 0.00031585 AU
i 105.6580321472059 0.0032429 deg
node 5.531279483858718 0.0015925 deg
peri 103.5166254978262 0.0084259 deg
M .09712728546871346 0.0027347 deg
tp 2455694.416315162132
(2011-May-12.91631516)
0.048849 JED
period 1193795.605241971
3268.43
33451
91.58
d
yr
n .0003015591600599262 8.4499e-06 deg/d
Q 436.6439952249137 8.1567 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.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   fit RMS      .473  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Jan-26 09:51:04  

Additional Information
 Earth MOID = 3.43755 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 9 from 44 observations, assumed slope, autocmod 2.5b
comet total magnitude slope K1 10.   n/a 9 autocmod 2.5b
comet nuclear magnitude M2 13.2 mag 0.5 9 from 11 observations, autocmod 2.5b
comet nuclear magnitude slope K2 5.   n/a 9 autocmod 2.5b
comet nuclear phase coefficient PC 0.03   n/a 9 autocmod 2.5b

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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