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JPL Small-Body Database Browser
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14P/Wolf
Classification: Jupiter-family Comet          SPK-ID: 1000110
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 2455819.5 (2011-Sep-15.0) TDB
Reference: JPL K174/7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3575289526732395 1.4258e-07  
a 4.246449643472447 1.4646e-07 au
q 2.728220949862092 5.8233e-07 au
i 27.94272583406054 1.6824e-05 deg
node 202.1076566532755 3.6957e-05 deg
peri 159.1828023736432 3.3367e-05 deg
M 104.6779613152737 1.4169e-05 deg
tp 2454890.126789825339
(2009-Feb-27.62678983)
0.0001636 TDB
period 3196.225370259094
8.75
0.00016535
4.527e-07
d
yr
n .1126328585430186 5.8269e-09 deg/d
Q 5.764678337082803 1.9882e-07 au
  Orbit Determination Parameters
   # obs. used (total)      355  
   data-arc span      9661 days (26.45 yr)  
   first obs. used      1992-07-27  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43302  
   source      ORB  
   producer      Javier Roa  
   solution date      2019-May-15 15:14:46  

Additional Information
 Earth MOID = 1.74252 au 
 Jupiter MOID = .0421197 au 
 T_jup = 2.716 
[ 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 12.5   0.7 K174/7 from 186 observations, assumed slope, autocmod 2.6q
comet total magnitude slope K1 11.   n/a K174/7 autocmod 2.6q
comet nuclear magnitude M2 16.1   0.7 K174/7 from 107 observations, autocmod 2.6q
comet nuclear magnitude slope K2 5.   n/a K174/7 autocmod 2.6q
comet nuclear phase coefficient PC 0.03   n/a K174/7 autocmod 2.6q
diameter diameter 4.66 km n/a Lamy, P; Toth, I; Fernandez, Y; Weaver, H. (to be published)  
rotation period rot_per 9.02 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Kokotankekova, R.; Snodgrass, C.; Lacerda, P.; Green S.F.; et al. (2017) Mon. Not. Royal Ast. Soc. 471, 2974-3007.]

14P/Wolf          Discovered 1884-Sep-17 by Wolf, Max at Heidelberg, Germany
Reference: comet.disLast Updated: 2003-08-29

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Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1991.7       1992 XXII   1992m 
 1982.9       1984 IX   1983m 
 1974.2       1976 II   1975f 
 1965.4       1967 XII   1967j 
 1956.7       1959 II   1958c 
 1947.9       1950 VI   1950c 
 1939.2       1942 VI   
 1930.4       1934 I   1933e 
 1921.6       1918 V   1918b 
 1912.9       1912 I   1911a 
 1895.4       1898 IV   1898f 
 1886.6   14P/1891 J1   1891 II   1891b 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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