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JPL Small-Body Database Browser
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P/2010 E2 (Jarnac)
Classification: Jupiter-family Comet          SPK-ID: 1003069
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455288.5 (2010-Apr-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7223701008074761 1.455e-05  
a 8.640039096494201 0.00050952 au
q 2.39873318337915 1.833e-05 au
i 15.43700003047995 0.00020825 deg
node 177.8993706640858 5.0592e-05 deg
peri 8.294555078399933 0.002731 deg
M 359.7700013446944 0.00029589 deg
tp 2455294.426452180888
(2010-Apr-07.92645218)
0.0078607 TDB
period 9276.240255774535
25.40
0.82056
0.002247
d
yr
n .0388088266445985 3.433e-06 deg/d
Q 14.88134500960925 0.00087758 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      128 days  
   first obs. used      2010-02-17  
   last obs. used      2010-06-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      4  
   norm. resid. RMS      .50844  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:41  

Additional Information
 Earth MOID = 1.40231 au 
 Jupiter MOID = 1.28536 au 
 T_jup = 2.320 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 14.4   0.4 16 from 164 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 16 autocmod 2.9c
comet nuclear magnitude M2 16.4   0.6 16 from 135 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 16 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 16 autocmod 2.9c

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.3   P/2010 E2       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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