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7P/Pons-Winnecke
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000069
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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:
Orbital Elements at Epoch 2453379.5 (2005-Jan-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6343521595756417 5.4835e-08  
a 3.435638071292604 4.3332e-08 au
q 1.256233641247848 1.9211e-07 au
i 22.29644218108785 9.6555e-06 deg
node 93.42659185011168 3.6848e-05 deg
peri 172.2578798147044 3.7695e-05 deg
M 149.9998400101972 7.1319e-06 deg
tp 2452410.334754372197
(2002-May-15.83475437)
4.2261e-05 TDB
period 2325.999070414277
6.37
4.4005e-05
1.205e-07
d
yr
n .1547722028693164 2.9281e-09 deg/d
Q 5.61504250133736 7.082e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 6.612071145867012E-11 1.591E-12
A2 [EST] -1.87400228377736E-12 7.492E-13
A3 [EST] -1.311189054669113E-10 7.851E-12
DT [EST] 109.581038002386 7.496
  Orbit Determination Parameters
   # obs. used (total)      677  
   data-arc span      36094 days (98.82 yr)  
   first obs. used      1921-04-28  
   last obs. used      2020-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .88421  
   source      ORB  
   producer      Javier Roa  
   solution date      2020-Mar-09 10:43:08  

Additional Information
 Earth MOID = .240864 au 
 Jupiter MOID = .277802 au 
 T_jup = 2.677 
[ 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 15.4   0.8 7 2 parameter fit from 274 observations, autocmod 2.8
comet total magnitude slope K1 5.75   n/a 7 autocmod 2.8
diameter diameter 5.2 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264  

7P/Pons-Winnecke          Discovered 1819-Jun-12 by Pons, Jean Louis at Marseilles, France
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1989.6       1989 VIII   1989g 
 1983.3       1983 IV   1983b 
 1976.9       1976 XIV   1976f 
 1970.5       1970 VIII   1970b 
 1964.2       1964 I   1964b 
 1951.4       1951 VI   1951c 
 1945.1       1945 IV   1945a 
 1938.7       1939 V   1939c 
 1932.3       1933 II   1933b 
 1925.9       1927 VII   1927c 
 1919.6       1921 III   1921b 
 1913.2       1915 III   1915b 
 1906.8       1909 II   1909d 
 1900.5       1898 II   1898a 
 1894.1       1892 IV   1892c 
 1887.7       1886 VI   1886d 
 1875.0       1875 I   1875b 
 1868.6   7P/1869 G1   1869 I   1869a 
 1855.9   7P/1858 E1   1858 II   
 1817.7   7P/1819 L1   1819 III   
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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