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144P/Kushida
Classification: Jupiter-family Comet          SPK-ID: 1000148
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 2454937.5 (2009-Apr-16.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6278179294213708 1.5043e-07  
a 3.866357336726691 2.2322e-06 au
q 1.438988879179814 3.077e-07 au
i 4.10912230609167 4.158e-06 deg
node 245.5592284985111 7.0623e-05 deg
peri 216.0950335745288 7.7683e-05 deg
M 10.26056646532681 1.2963e-05 deg
tp 2454858.355589438157
(2009-Jan-26.85558944)
3.88e-05 TDB
period 2776.843549383508
7.60
0.0024048
6.584e-06
d
yr
n .1296436020242928 1.1227e-07 deg/d
Q 6.293725794273568 3.6336e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.032348329656129E-8 1.189E-10
A2 [EST] -1.248242277412428E-9 5.586E-11
A3 [EST] -3.330136877834462E-10 4.595E-11
DT [EST] 38.40044804007968 1.224
  Orbit Determination Parameters
   # obs. used (total)      3095  
   data-arc span      8530 days (23.35 yr)  
   first obs. used      1994-01-07  
   last obs. used      2017-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .61523  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-04 15:53:20  

Additional Information
 Earth MOID = .459034 au 
 Jupiter MOID = .00814083 au 
 T_jup = 2.684 
[ 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 13.4   2. 19 2 parameter fit from 387 observations, autocmod 2.6i
comet total magnitude slope K1 10.   n/a 19 autocmod 2.6i

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.5   144P/2000 O2       
 1993.9   144P/1994 A1   1993 XX   1994a 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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