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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 2453491.5 (2005-May-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .6344337454144585 | 5.481e-08 | |
| a | 3.435470859233925 | 3.7217e-08 | au |
| q | 1.255892214747918 | 1.9207e-07 | au |
| i | 22.29953235157827 | 9.5726e-06 | deg |
| node | 93.4245543720921 | 3.6838e-05 | deg |
| peri | 172.2590219075068 | 3.7486e-05 | deg |
| M | 167.333523782841 | 6.8894e-06 | deg |
| tp | 2452410.418871229999
(2002-May-15.91887123) | 4.201e-05 | TDB |
| period | 2325.829263371487
6.37 | 3.7794e-05
1.035e-07 | d
yr |
| n | .1547835026712792 | 2.5152e-09 | deg/d |
| Q | 5.615049503719932 | 6.0829e-08 | au |
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Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A1 [EST] | 6.573819806549675E-11 | 1.399E-12 |
| A2 [EST] | -1.821600922987144E-12 | 7.483E-13 |
| A3 [EST] | -1.302775513275537E-10 | 7.394E-12 |
| DT [EST] | 110.4753731984941 | 7.073 |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| comet total magnitude |
M1 |
15.4 |
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0.8 |
8 |
2 parameter fit from 284 observations, autocmod 2.8 |
| comet total magnitude slope |
K1 |
5.75 |
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n/a |
8 |
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 |
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| 7P/Pons-Winnecke Discovered 1819-Jun-12 by Pons, Jean Louis at Marseilles, France |
| Reference: comet.dis | Last Updated: 2003-08-29 |
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[ 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 |
| 1926.0 | | 1927 VII | 1927c |
| 1919.6 | | 1921 III | 1921b |
| 1913.2 | | 1915 III | 1915b |
| 1906.9 | | 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 | |
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