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C/2004 C1 (Larsen)
Classification: Jupiter-family Comet          SPK-ID: 1000478
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453061.5 (2004-Feb-26.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6231577405386667 0.00030712  
a 11.56825588951744 0.0077295 au
q 4.359407687432627 0.00075305 au
i 28.91654313174816 0.0076471 deg
node 151.9540235634671 0.00016661 deg
peri 316.1498836584286 0.036613 deg
M 8.600990175746043 0.003307 deg
tp 2452718.142761308265
(2003-Mar-19.64276131)
0.24236 TDB
period 14371.43903240221
39.35
14.404
0.03944
d
yr
n .02504968355558097 2.5106e-05 deg/d
Q 18.77710409160225 0.012546 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      79 days  
   first obs. used      2004-01-23  
   last obs. used      2004-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .77772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:30:36  

Additional Information
 Earth MOID = 3.44105 au 
 Jupiter MOID = .384517 au 
 T_jup = 2.491 
[ 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 10.0   0.6 12 from 31 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 12 autocmod 2.9c
comet nuclear magnitude M2 13.1   0.4 12 from 24 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 12 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 12 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2003.2   C/2004 C1       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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