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227P/Catalina-LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000494
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454885.5 (2009-Feb-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4996238823745855 1.015e-07  
a 3.588229935222152 8.9799e-08 au
q 1.795464564133753 3.8562e-07 au
i 6.524194066462794 2.9673e-05 deg
node 49.88919024308221 0.00011047 deg
peri 90.13068307256337 0.00013012 deg
M 279.1120183179481 3.8876e-05 deg
tp 2455443.328016602081
(2010-Sep-03.82801660)		 0.00028575 TDB
period 2482.669017087225
6.80		 9.3197e-05
2.552e-07		 d
yr
n .145005233288152 5.4433e-09 deg/d
Q 5.380995306310552 1.3466e-07 au
   Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1997-01-15  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69273  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:09  

Additional Information
 Earth MOID = .822846 au 
 Jupiter MOID = .411471 au 
 T_jup = 2.879 
[ 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 17.2   0.5 25 2 parameter fit from 98 observations, autocmod 2.8
comet total magnitude slope K1 4.75   n/a 25 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year (est.)		  New-Style 
Desig		 Roman
 Numeral 		 Year/
 Letter 
 2010.7   227P/2009 S4       
 2003.9   227P/2004 EW38       
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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