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225P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1000413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457800.5 (2017-Feb-16.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6375279752197517 5.442e-07  
a 3.654113225602356 4.8671e-07 au
q 1.32451381966037 1.994e-06 au
i 21.33499395312778 2.0731e-05 deg
node 14.18217273040393 1.6559e-05 deg
peri 3.920316763471809 0.00033129 deg
M 25.82925237666034 7.2084e-05 deg
tp 2457617.445351374142
(2016-Aug-16.94535137)
0.00048275 TDB
period 2551.358147898105
6.99
0.00050974
1.396e-06
d
yr
n .141101319035346 2.8191e-08 deg/d
Q 5.983712631544341 7.9699e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.058275791988745E-10 2.679E-10
A2 [EST] -1.829563570078335E-11 1.77E-12
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      5175 days (14.17 yr)  
   first obs. used      2002-09-29  
   last obs. used      2016-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   norm. resid. RMS      .60302  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Jan-19 17:01:32  

Additional Information
 Earth MOID = .32713 au 
 Jupiter MOID = .325775 au 
 T_jup = 2.627 
[ 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 19.0   0.5 45 2 parameter fit from 241 observations, autocmod 2.6h
comet total magnitude slope K1 7.   n/a 45 autocmod 2.6h

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2009.6   225P/2009 Q3       
 2002.7   225P/2002 T1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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