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308P/Lagerkvist-Carsenty
Classification: Jupiter-family Comet          SPK-ID: 1000178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454118.5 (2007-Jan-18.0) TDB
Reference: JPL 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3622837173020003 2.2866e-07  
a 6.674132030662648 1.4956e-07 au
q 4.256202668829835 1.5043e-06 au
i 4.840384528986414 2.7335e-05 deg
node 63.1429770773959 0.00023139 deg
peri 333.7018982388273 0.00078067 deg
M 186.2795889966525 0.00034762 deg
tp 2457157.557834818934
(2015-May-15.05783482)
0.0060743 TDB
period 6297.825420835174
17.24
0.00021169
5.796e-07
d
yr
n .05716258802744954 1.9215e-09 deg/d
Q 9.092061392495459 2.0375e-07 au
  Orbit Determination Parameters
   # obs. used (total)      348  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      1997-10-01  
   last obs. used      2016-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .51911  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:19  

Additional Information
 Earth MOID = 3.26332 au 
 Jupiter MOID = .293426 au 
 T_jup = 2.883 
[ 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 14.1   0.6 54 2 parameter fit from 167 observations, autocmod 2.9c
comet total magnitude slope K1 4.5   n/a 54 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2015.4   308P/2014 O2       
 1998.1   308P/1997 T3       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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