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JPL Small-Body Database Browser
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C/2008 E1 (Catalina)
Classification: Jupiter-family Comet          SPK-ID: 1002496
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454811.5 (2008-Dec-11.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5481486227040668 1.3652e-05  
a 10.6869421288352 0.00034713 au
q 4.828909519996117 1.1285e-05 au
i 35.03767560658133 2.3377e-05 deg
node 189.0225130395271 7.1723e-05 deg
peri 269.9888305320948 0.00030455 deg
M 3.41796590237852 0.00023311 deg
tp 2454690.344303548595
(2008-Aug-11.84430355)
0.0028172 TDB
period 12760.82089998438
34.94
0.62174
0.001702
d
yr
n .02821135119923519 1.3745e-06 deg/d
Q 16.54497473767428 0.00053741 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      924 days (2.53 yr)  
   first obs. used      2007-11-13  
   last obs. used      2010-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .67437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:31:17  

Additional Information
 Earth MOID = 4.06329 au 
 Jupiter MOID = 1.49795 au 
 T_jup = 2.450 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.6   0.6 33 2 parameter fit from 58 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 33 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2008.6   C/2008 E1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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