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234P/LINEAR
Classification: Jupiter-family Comet          SPK-ID: 1003071
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454789.5 (2008-Nov-19.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2511894162667584 1.839e-07  
a 3.820039233472817 6.5742e-08 au
q 2.860485808300665 6.824e-07 au
i 11.51338282548197 2.1673e-05 deg
node 179.7365888969859 5.5987e-05 deg
peri 358.4404892030572 0.00022244 deg
M 307.1993245251331 0.00013497 deg
tp 2455189.478953297732
(2009-Dec-23.97895330)
0.0010208 TDB
period 2727.094339081401
7.47
7.0399e-05
1.927e-07
d
yr
n .1320086345532377 3.4078e-09 deg/d
Q 4.77959265864497 8.2256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      6018 days (16.48 yr)  
   first obs. used      2001-12-26  
   last obs. used      2018-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .77464  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Sep-20 18:19:48  

Additional Information
 Earth MOID = 1.86474 au 
 Jupiter MOID = .186884 au 
 T_jup = 2.987 
[ 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 6.7   0.6 23 from 121 observations, assumed slope, autocmod 2.6n
comet total magnitude slope K1 24.   n/a 23 autocmod 2.6n
comet nuclear magnitude M2 15.3   0.6 23 from 109 observations, autocmod 2.6n
comet nuclear magnitude slope K2 5.   n/a 23 autocmod 2.6n
comet nuclear phase coefficient PC 0.03   n/a 23 autocmod 2.6n

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2010.0   234P/2010 E4       
 2002.5   234P/2002 CF140       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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