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15P/Finlay
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456406.5 (2013-Apr-24.0) TDB
Reference: JPL K142/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7204670323736734 2.2748e-07  
a 3.486709717204069 1.5412e-07 au
q .9746503145016036 8.3005e-07 au
i 6.803655945058429 1.5118e-05 deg
node 13.80063967391148 0.00031157 deg
peri 347.5656143942961 0.00031292 deg
M 267.3628070558766 1.1343e-05 deg
tp 2457018.434587659678
(2014-Dec-26.93458766)
0.00010642 TDB
period 2378.056205679309
6.51
0.00015767
4.317e-07
d
yr
n .1513841427045512 1.0037e-08 deg/d
Q 5.998769119906535 2.6515e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 7.829547989193548E-10 3.501E-10
A2 [EST] 2.826333351821679E-10 1.486E-10
A3 [EST] 1.81216348966542E-9 1.63E-10
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      2841 days (7.78 yr)  
   first obs. used      2008-04-27  
   last obs. used      2016-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   norm. resid. RMS      .71002  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-Mar-15 10:56:43  

Additional Information
 Earth MOID = .00947474 au 
 Jupiter MOID = .159639 au 
 T_jup = 2.620 
[ 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 10.3   1. K142/2 2 parameter fit from 131 observations, autocmod 2.6i
comet total magnitude slope K1 19.   n/a K142/2 autocmod 2.6i
comet nuclear magnitude M2 15.1   01. K142/2 from 888 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a K142/2 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a K142/2 autocmod 2.6i

15P/Finlay          Discovered 1886-Sep-26 by Finlay, W. H. at Cape of Good Hope, South Africa
Reference: comet.disLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1988.9       1988 IX   1988f 
 1982.4       1981 XII   1981e 
 1975.9       1974 X   1974d 
 1969.4       1967 IX   1967g 
 1962.9       1960 VIII   1960d 
 1949.9       1953 VII   1953i 
 1923.8       1926 V   1926d 
 1917.3       1919 II   1919d 
 1904.3       1906 V   1906d 
 1891.3   15P/1893 K1   1893 III   1893a 
 1884.8   15P/1886 S1   1886 VII   1886e 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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