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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2454789.5 (2008-Nov-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2511894114732138 1.839e-07  
a 3.820039236909522 6.5742e-08 au
q 2.860485829185634 6.824e-07 au
i 11.51338519492071 2.1673e-05 deg
node 179.7365747916197 5.5987e-05 deg
peri 358.4404762815118 0.00022244 deg
M 307.1993446584598 0.00013497 deg
tp 2455189.478801322269
(2009-Dec-23.97880132)
0.0010208 TDB
period 2727.094342761553
7.47
7.0399e-05
1.927e-07
d
yr
n .132008634375095 3.4078e-09 deg/d
Q 4.779592644633409 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      .7753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:09  

Additional Information
 Earth MOID = 1.86474 au 
 Jupiter MOID = .186884 au 
 T_jup = 2.987 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 3.381963092887386E-14 -1.252293647363246E-13 -3.361868711256184E-11 -3.945009376243348E-13 -6.654406226271302E-12 -4.796867827231968E-14
q -1.252293647363246E-13 4.656659008628737E-13 1.210217683719489E-10 1.446064922220195E-12 2.382056300516977E-11 1.635534785396296E-13
tp -3.361868711256184E-11 1.210217683719489E-10 1.042083914503918E-6 4.305972507490122E-9 2.197376454028318E-7 -2.784469288042226E-10
node -3.945009376243348E-13 1.446064922220195E-12 4.305972507490122E-9 3.134563939281203E-9 -2.164795550685918E-9 -1.664673147097683E-10
peri -6.654406226271302E-12 2.382056300516977E-11 2.197376454028318E-7 -2.164795550685918E-9 4.947933932407981E-8 1.069349832925903E-10
i -4.796867827231968E-14 1.635534785396296E-13 -2.784469288042226E-10 -1.664673147097683E-10 1.069349832925903E-10 4.697161143111716E-10

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 7.4   0.6 24 from 121 observations, assumed slope, autocmod 2.8
comet total magnitude slope K1 22.5   n/a 24 autocmod 2.8
comet nuclear magnitude M2 15.3   0.6 24 from 109 observations, autocmod 2.8
comet nuclear magnitude slope K2 5.   n/a 24 autocmod 2.8
comet nuclear phase coefficient PC 0.03   n/a 24 autocmod 2.8

[ 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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