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144P/Kushida
Classification: Jupiter-family Comet          SPK-ID: 1000148
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]
Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2454841.5 (2009-Jan-10.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.6277946381861101432519 2.1569e-07  
a 3.8661654111329148975073 2.1401e-06 AU
q 1.4390074956830729568935 1.8656e-07 AU
i 4.1091696688249541580262 4.8163e-06 deg
node 245.5605877675475 4.9577e-05 deg
peri 216.0971007035949 6.186e-05 deg
M 357.8140625424916 6.1318e-06 deg
tp 2454858.359873228003
(2009-Jan-26.85987323)
5.3075e-05 JED
period 2776.636788592909
7.60
0.0023055
6.312e-06
d
yr
n .1296532558665816 1.0766e-07 deg/d
Q 6.293323326582757 3.4837e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.113904153696975E-9 9.702E-11
A2 [EST] -3.952979427995987E-10 8.502E-12
  Orbit Determination Parameters
   # obs. used (total)      2677  
   data-arc span      5635 days (15.43 yr)  
   first obs. used      1994-01-07  
   last obs. used      2009-06-12  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   fit RMS      .54665  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-Jul-17 14:38:47  

Additional Information
 Earth MOID = .458452 AU 
 T_jup = 2.684 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.4 mag 1. 12 2 parameter fit from 318 observations, autocmod 2.4a
comet total magnitude slope K1 11.   n/a 12 autocmod 2.4a

[ 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 | Physical Parameters | Close-Approach Data ]
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