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209P/LINEAR
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000487
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453850.5 (2006-Apr-25.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6894040489771274 4.4548e-08  
a 2.937692016606237 1.1422e-08 AU
q .9124352457101148 1.3061e-07 AU
i 19.15256035908926 9.3232e-06 deg
node 66.4595114423152 3.9104e-05 deg
peri 149.7100869624896 4.1844e-05 deg
M 147.339599708406 3.117e-06 deg
tp 2453097.794990729845
(2004-Apr-02.29499073)		 1.4548e-05 JED
period 1839.110489464675
5.04		 1.0726e-05
2.937e-08		 d
yr
n .1957468037196548 1.1416e-09 deg/d
Q 4.96294878750236 1.9296e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      2082 days (5.70 yr)  
   first obs. used      2003-12-03  
   last obs. used      2009-08-15  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .39116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2012-Nov-09 11:45:23  

Additional Information
 Earth MOID = .0394555 AU 
 T_jup = 2.800 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 16.7 mag 2. 73 from 100 observations, assumed slope, autocmod 2.5b
comet total magnitude slope K1 14.   n/a 73 autocmod 2.5b
comet nuclear magnitude M2 19.8 mag 0.9 73 from 446 observations, autocmod 2.5b
comet nuclear magnitude slope K2 5.   n/a 73 autocmod 2.5b
comet nuclear phase coefficient PC 0.03   n/a 73 autocmod 2.5b

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2009.3   209P/2008 X2       
 2004.3   209P/2004 CB       
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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