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19P/Borrelly
Classification: Jupiter-family Comet          SPK-ID: 1000005
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 2453126.5 (2004-May-01.0) TDB
Reference: JPL K157/5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6232892711821078 1.7498e-08  
a 3.609665546424225 4.2061e-08 au
q 1.359799738782305 6.204e-08 au
i 30.31307021679391 5.9182e-06 deg
node 75.43597686258941 1.2924e-05 deg
peri 353.3506872274951 1.3642e-05 deg
M 137.9304349204968 3.9026e-06 deg
tp 2452166.753630306326
(2001-Sep-14.25363031)
1.9292e-05 TDB
period 2504.948913478551
6.86
4.3783e-05
1.199e-07
d
yr
n .1437155057585898 2.5119e-09 deg/d
Q 5.859531354066145 6.8277e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 1.895695530204052E-9 2.286E-11
A2 [EST] -7.833075347206687E-11 7.025E-12
A3 [EST] 2.854308247393968E-10 3.062E-11
DT [EST] -47.24576827269382 1.397
  Orbit Determination Parameters
   # obs. used (total)      2845  
   data-arc span      15925 days (43.60 yr)  
   first obs. used      1973-08-23  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .78518  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2017-May-07 17:25:46  

Additional Information
 Earth MOID = .377543 au 
 Jupiter MOID = .456352 au 
 T_jup = 2.566 
[ hide covariance matrix ]
Orbit Covariance (10×10)
  e q tp node peri i A1 A2 A3 DT
e 3.061749415034439E-16 -1.050968654176488E-15 -3.20608845340789E-14 -4.873534082684325E-14 -4.174777138421082E-15 -3.745446101762513E-15 1.94358176941723E-19 -1.072121654828824E-19 7.931129713656059E-20 2.31152297563191E-8
q -1.050968654176488E-15 3.848984344979796E-15 1.553149237366547E-13 1.922339458748075E-13 2.776333701330713E-14 1.466279362344083E-14 -9.113085751252318E-19 3.327889809732796E-19 -3.397104610404851E-19 -7.974393719280137E-8
tp -3.20608845340789E-14 1.553149237366547E-13 3.721898777049181E-10 1.550625221467235E-10 8.278991702736466E-11 -1.305454472082022E-12 1.188793000626213E-16 -9.362955559604696E-18 -1.402993367506432E-16 4.856656695731415E-6
node -4.873534082684325E-14 1.922339458748075E-13 1.550625221467235E-10 1.670177183053474E-10 -9.361618189762152E-11 5.338014454892615E-12 1.107612591028913E-17 -4.316198549383774E-18 -1.166425521157122E-16 9.819241244708774E-7
peri -4.174777138421082E-15 2.776333701330713E-14 8.278991702736466E-11 -9.361618189762152E-11 1.861058094671408E-10 -8.415293827922896E-12 3.364027266541323E-17 1.224052928746599E-17 6.056825089196451E-17 -1.003099144385496E-6
i -3.745446101762513E-15 1.466279362344083E-14 -1.305454472082022E-12 5.338014454892615E-12 -8.415293827922896E-12 3.502484151885899E-11 -6.848934989565005E-18 -1.705438471605907E-19 -3.255377792639354E-17 -1.642638120198185E-7
A1 1.94358176941723E-19 -9.113085751252318E-19 1.188793000626213E-16 1.107612591028913E-17 3.364027266541323E-17 -6.848934989565005E-18 5.223838831877454E-22 -2.297011304262403E-23 6.967640206344779E-23 1.771004266147707E-11
A2 -1.072121654828824E-19 3.327889809732796E-19 -9.362955559604696E-18 -4.316198549383774E-18 1.224052928746599E-17 -1.705438471605907E-19 -2.297011304262403E-23 4.934426813184838E-23 1.526451635784835E-24 -8.857016014108558E-12
A3 7.931129713656059E-20 -3.397104610404851E-19 -1.402993367506432E-16 -1.166425521157122E-16 6.056825089196451E-17 -3.255377792639354E-17 6.967640206344779E-23 1.526451635784835E-24 9.376936112222985E-22 1.614827529124455E-12
DT 2.31152297563191E-8 -7.974393719280137E-8 4.856656695731415E-6 9.819241244708774E-7 -1.003099144385496E-6 -1.642638120198185E-7 1.771004266147707E-11 -8.857016014108558E-12 1.614827529124455E-12 1.951191141685099

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 8.2   2. K157/5 2 parameter fit from 510 observations, autocmod 2.6i
comet total magnitude slope K1 17.   n/a K157/5 autocmod 2.6i
comet nuclear magnitude M2 13.8   1. K157/5 from 1077 observations, autocmod 2.6i
comet nuclear magnitude slope K2 5.   n/a K157/5 autocmod 2.6i
comet nuclear phase coefficient PC 0.03   n/a K157/5 autocmod 2.6i
diameter diameter 4.8 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (to be published)  
geometric albedo albedo 0.022   0.003 Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)  

19P/Borrelly          Discovered 1904-Dec-28 by Borrelly at Marseilles, France
Reference: comet.disLast Updated: 2003-08-29

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Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1994.8       1994 XXX   1994l 
 1988.0       1987 XXXIII   1987p 
 1981.1       1981 IV   1980i 
 1974.3       1974 VII   1973m 
 1967.4       1967 VIII   1967m 
 1960.6       1960 V   1960k 
 1953.7       1953 IV   1954b 
 1933.1       1932 IV   1932i 
 1926.3       1925 VIII   1925f 
 1919.4       1918 IV   1918c 
 1912.5   19P/1911 S1   1911 VIII   1911e 
 1905.7   19P/1904 Y2   1905 II   1904e 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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