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144P/Kushida
Classification: Jupiter-family Comet          SPK-ID: 1000148
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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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.
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 2454648.5 (2008-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.6276975766821364377534 1.8908e-06  
a 3.8649535766387530522081 4.8266e-06 AU
q 1.4389315825936519477323 9.0915e-06 AU
i 4.1093035196408287390568 1.1387e-05 deg
node 245.5662550787817 0.00055708 deg
peri 216.0969174544948 0.00099231 deg
M 332.7789684755843 0.0012905 deg
tp 2454858.353843283868
(2009-Jan-26.85384329)		 0.010342 JED
period 2775.331401913663
7.60		 0.0051988
1.423e-05		 d
yr
n .1297142387218228 2.4298e-07 deg/d
Q 6.290975570683854 7.8563e-06 AU
   Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      4932 days (13.50 yr)  
   first obs. used      1994-01-07  
   last obs. used      2007-07-10  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   quality code      2  
   fit RMS      .78661  
   data source      ORB  
   producer      Nick Mastrodemos  
   solution date      2008-Jul-10 11:34:26  

Additional Information
 Earth MOID = .456742 AU 
 T_jup = 2.685 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 12.4 mag 0.9 4 2 parameter fit from 112 observations
comet total magnitude slope K1 9.0   n/a 4  
comet nuclear magnitude M2 17.8 mag 1.4 4 from 8 observations
comet nuclear magnitude slope K2 5.0   n/a 4  
comet nuclear phase coefficient PC 0.03   n/a 4  

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 | Discovery Circumstances ]
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