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JPL Small-Body Database Browser
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147P/Kushida-Muramatsu
Classification: Encke-type Comet          SPK-ID: 1000147
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2454801.5 (2008-Dec-01.0) TDB
Reference: JPL K083/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.2760252083897379860033 2.7116e-06  
a 3.8070857912160049885130 1.7284e-06 au
q 2.7562341423379970173357 1.1331e-05 au
i 2.3679635720599740977832 0.00012232 deg
node 93.76206553452435 0.0010774 deg
peri 346.8408341847135 0.0017389 deg
M 9.172577076233985 0.0004901 deg
tp 2454732.368450487631
(2008-Sep-22.86845049)
0.0036548 TDB
period 2713.235072064494
7.43
0.0018477
5.059e-06
d
yr
n .1326829376881365 9.0354e-08 deg/d
Q 4.857937440094014 2.2054e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 2.669298026018222E-7 2.233E-8
A2 [EST] -6.900666706415933E-8 3.5E-9
A3 [EST] 1.633628816320418E-7 7.563E-9
DT [EST] 305.4318152700558 12.77
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      5555 days (15.21 yr)  
   first obs. used      1993-12-08  
   last obs. used      2009-02-22  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   norm. resid. RMS      .65919  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-Mar-12 16:26:31  

Additional Information
 Earth MOID = 1.77177 au 
 T_jup = 3.010 
[ 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 4.5   0.7 K083/2 2 parameter fit from 92 observations, autocmod 2.4a
comet total magnitude slope K1 23.   n/a K083/2 autocmod 2.4a
comet nuclear magnitude M2 16.8   0.3 K083/2 from 14 observations, autocmod 2.4a
comet nuclear magnitude slope K2 5.   n/a K083/2 autocmod 2.4a
comet nuclear phase coefficient PC 0.03   n/a K083/2 autocmod 2.4a
diameter diameter 0.42 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H. (2004) Comets II, pp. 223-264  

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2001.3   147P/2000 T2       
 1993.9   147P/1993 X1   1993 XIX   1993t 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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