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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2454937.5 (2009-Apr-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6278179431754092 1.4978e-07  
a 3.866357109538149 2.225e-06 au
q 1.438988741446288 3.0754e-07 au
i 4.109120314768083 4.1598e-06 deg
node 245.559238116922 7.06e-05 deg
peri 216.0950327146944 7.7588e-05 deg
M 10.26056601022117 1.2922e-05 deg
tp 2454858.355599924424
(2009-Jan-26.85559992)
3.8723e-05 TDB
period 2776.843304631029
7.60
0.002397
6.563e-06
d
yr
n .1296436134511503 1.1191e-07 deg/d
Q 6.29372547763001 3.6218e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.034900444743769E-8 1.187E-10
A2 [EST] -1.247491213413311E-9 5.555E-11
A3 [EST] -3.009571027831197E-10 4.592E-11
DT [EST] 38.28098745142398 1.214
  Orbit Determination Parameters
   # obs. used (total)      3096  
   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      .61521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 11:13:17  

Additional Information
 Earth MOID = .459034 au 
 Jupiter MOID = .00814085 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. 20 2 parameter fit from 387 observations, autocmod 2.8
comet total magnitude slope K1 9.75   n/a 20 autocmod 2.8

[ 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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