Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
7P/Pons-Winnecke
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000069
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL K088/14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6375275046341201 8.1385e-08  
a 3.418783079708708 6.0461e-08 AU
q 1.239214834016663 2.894e-07 AU
i 22.33501475875624 1.2675e-05 deg
node 93.41632727947726 4.9021e-05 deg
peri 172.5061606273077 4.9604e-05 deg
M 348.8474858480686 1.6278e-05 deg
tp 2457053.027991115144
(2015-Jan-30.52799112)
0.0001062 JED
period 2308.903306524165
6.32
6.1249e-05
1.677e-07
d
yr
n .1559181794156404 4.1361e-09 deg/d
Q 5.598351325400753 9.9006e-08 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.864305940999172E-11 1.395E-12
A2 [EST] -1.153377512834682E-11 1.042E-12
A3 [EST] -1.53363315664079E-10 6.565E-12
DT [EST] 130.5870099949048 6.543
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      33961 days (92.98 yr)  
   first obs. used      1921-04-28  
   last obs. used      2014-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .94112  
   data source      ORB  
   producer      Ryan S. Park  
   solution date      2014-Nov-10 13:43:28  

Additional Information
 Earth MOID = .224191 AU 
 T_jup = 2.677 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 13.3 mag 1. K088/14 from 171 observations, assumed slope, autocmod 2.6
comet total magnitude slope K1 13.   n/a K088/14 autocmod 2.6
comet nuclear magnitude M2 16.4 mag 0.8 K088/14 from 191 observations, autocmod 2.6
comet nuclear magnitude slope K2 5.   n/a K088/14 autocmod 2.6
comet nuclear phase coefficient PC 0.03   n/a K088/14 autocmod 2.6
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 
 1989.8       1989 VIII   1989g 
 1983.5       1983 IV   1983b 
 1977.2       1976 XIV   1976f 
 1970.8       1970 VIII   1970b 
 1964.5       1964 I   1964b 
 1951.9       1951 VI   1951c 
 1945.5       1945 IV   1945a 
 1939.2       1939 V   1939c 
 1932.9       1933 II   1933b 
 1926.6       1927 VII   1927c 
 1920.3       1921 III   1921b 
 1913.9       1915 III   1915b 
 1907.6       1909 II   1909d 
 1895.0       1898 II   1898a 
 1888.6       1886 VI   1886d 
 1876.0       1875 I   1875b 
 1869.7   7P/1869 G1   1869 I   1869a 
 1857.0   7P/1858 E1   1858 II   
 1819.1   7P/1819 L1   1819 III   
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-18 05:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin