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54P/de Vico-Swift-NEAT
Classification: Jupiter-family Comet          SPK-ID: 1000019
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2455013.5 (2009-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.4270474945217546114406 1.3065e-06  
a 3.7904782930723568412645 7.8409e-07 au
q 2.1717640349767100005351 5.2792e-06 au
i 6.0671607093682196065742 3.1433e-05 deg
node 358.8600316230779 0.00019239 deg
peri 1.933331420129209 0.0006538 deg
M 339.8904731313036 0.00026206 deg
tp 2455164.070121110307
(2009-Nov-28.57012111)
0.0019773 TDB
period 2695.5006924648
7.38
0.00083638
2.29e-06
d
yr
n .133555892234185 4.1441e-08 deg/d
Q 5.409192551168005 1.1189e-06 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 6.664761869785403E-9 5.409E-10
A2 [EST] 6.905615013053886E-10 1.22E-11
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      16209 days (44.38 yr)  
   first obs. used      1965-08-04  
   last obs. used      2009-12-20  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      1  
   norm. resid. RMS      .83512  
   source      ORB  
   producer      Nick Mastrodemos  
   solution date      2009-Dec-31 11:29:56  

Additional Information
 Earth MOID = 1.16881 au 
 T_jup = 2.908 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.1   0.9 22 from 63 observations, assumed slope, autocmod 2.4a
comet total magnitude slope K1 14.   n/a 22 autocmod 2.4a
comet nuclear magnitude M2 17.3   0.7 22 from 59 observations, autocmod 2.4a
comet nuclear magnitude slope K2 5.   n/a 22 autocmod 2.4a
comet nuclear phase coefficient PC 0.03   n/a 22 autocmod 2.4a

54P/de Vico-Swift-NEAT          Discovered 1844-Aug-23 by de Vico, Francesco
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2002.5   54P/2002 T4       
 1965.6   54P/1965 M1   1965 VII   1965e 
 1891.8   54P/1894 W1   1894 IV   1894e 
 1847.5   54P/1844 Q1   1844 I   
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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