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6P/d'Arrest
Classification: Jupiter-family Comet          SPK-ID: 1000017
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2457200.5 (2015-Jun-27.0) TDB
Reference: JPL K155/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .61142194929329 9.0078e-08  
a 3.503683338509308 6.651e-07 AU
q 1.361454441971525 2.6435e-07 AU
i 19.48167607664888 8.4901e-06 deg
node 138.9337144949318 1.9998e-05 deg
peri 178.1152644374854 5.5899e-05 deg
M 17.52043034622784 4.2327e-05 deg
tp 2457083.918948716327
(2015-Mar-02.41894872)
0.00027298 JED
period 2395.442214189577
6.56
0.00068208
1.867e-06
d
yr
n .1502854036167158 4.2793e-08 deg/d
Q 5.645912235047091 1.0718e-06 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.386971919136012E-9 2.583E-11
A2 [EST] -9.01180308330006E-11 6.384E-12
A3 [EST] -6.258470584111707E-10 1.432E-11
DT [EST] 109.5639260690556 1.396
  Orbit Determination Parameters
   # obs. used (total)      2173  
   data-arc span      10309 days (28.22 yr)  
   first obs. used      1987-03-31  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      1  
   fit RMS      .58785  
   data source      ORB  
   producer      Alan B. Chamberlin  
   solution date      2015-Jun-30 11:18:59  

Additional Information
 Earth MOID = .348287 AU 
 T_jup = 2.709 
[ 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 14.9 mag 1. K155/2 2 parameter fit from 264 observations, autocmod 2.6
comet total magnitude slope K1 7.   n/a K155/2 autocmod 2.6
diameter diameter 3.2 km n/a DASTCOM value unverified

6P/d'Arrest          Discovered 1851-Jun-28 by d'Arrest, Heinrich Louis at Leipzig, Germany
Reference: comet.disLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (AU) Minimum Distance (AU) Maximum Distance (AU) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1908-Nov-30 13:21 00:11 Jupiter 1.31639931879697 1.31610827529421 1.31669032090673 10.0269222545086 9.96254446007568 2418276.056231105 11.2848404992519 3409.99231270496 60.854398867301 -3.27886336501212 31123.5986492092 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1920-Mar-09 16:35 00:31 Jupiter 0.495293452733169 0.495242567335885 0.495344360030632 6.02732580294012 5.73658180456662 2422393.190765608 30.978950805389 621.340975013506 79.8141500340968 63.7360636540042 83282.5310624712 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1968-Mar-19 15:24 00:02 Jupiter 0.407454999139074 0.407416015594567 0.40749398183743 7.49951516918845 7.21700096425962 2439935.141954797 2.43110198058544 270.517699414644 48.1245149311455 -10.445519802581 38885.9243933728 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1976-Aug-12 22:32 00:03 Earth 0.151262516405001 0.151257655574858 0.151267404996617 11.2099003506177 11.2083288674775 2443003.438609905 2.93695251563673 2487.17543770658 70.4658305699566 86.3222780508079 227202.93507739 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1979-Jul-22 05:15 00:03 Jupiter 0.298470639858484 0.298462111029499 0.298479169051437 6.34991674267386 5.88605909266446 2444076.718470477 2.78257367665492 73.2855283854617 20.6276744810311 58.3170640682159 195287.03108366 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1990-Dec-01 20:22 < 00:01 Jupiter 1.36366840049416 1.36365844002379 1.36367836093142 8.98224634259851 8.9128266478596 2448227.348478298 0.526945362018491 98.9779113120703 15.8433455648001 11.7915853494913 491812.622525356 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
1995-Aug-10 17:44 < 00:01 Earth 0.407278143047412 0.407277237952697 0.407279048142278 11.3554638062556 11.3548876670984 2449940.238768596 0.0810618581369409 34.9616853644053 16.8345479373692 -1.39880504727207 1244915.86223341 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2008-Aug-09 11:53 < 00:01 Earth 0.353760460333776 0.353760070422667 0.353760850244811 11.0555773194894 11.0548960247714 2454687.995285563 0.0464301838716795 17.2622683232197 5.56173850657815 -4.91692939408916 2226245.42953127 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2039-Apr-01 20:15 00:02 Jupiter 0.967838467760648 0.967793541501011 0.967883393212569 8.68496923368235 8.58360949641697 2465880.343496733 1.84831901093221 426.266033419545 46.8201746646899 -14.7122072495095 121672.571885454 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2047-Aug-07 09:37 00:02 Earth 0.317064038375234 0.316973565780219 0.317154536712243 12.126909868447 12.1262168773915 2468929.900955094 1.67806170684395 5044.59311914234 143.831984507836 44.409697573142 169957.56145196 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2050-Sep-11 12:23 00:04 Jupiter 0.251799991925224 0.251785973041767 0.251814011769291 6.46314680949847 5.91984172674906 2470061.015947862 4.29137606249045 114.814120698255 30.4192393985123 54.6144505297855 108810.942949552 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2062-Jan-12 13:00 00:04 Jupiter 1.91237906285011 1.91229941184579 1.91245871163491 10.2856652885096 10.2425133259219 2474202.041395167 3.49218104612061 994.10473726051 49.2102665570246 6.1496325387471 115529.801441486 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2098-Mar-24 04:52 00:05 Jupiter 1.98477761855593 1.98462437689 1.98493085115793 11.4986812058201 11.4615073468903 2487421.702938415 4.88112469680944 2298.85073582816 106.083434877225 -4.57561190456544 48364.4403903409 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2106-Aug-08 10:00 00:04 Earth 0.410403160902176 0.410350110627364 0.410456639403489 11.3407253595942 11.3401528644749 2490479.916349144 4.29248529101866 15162.3777098762 303.025141099989 82.554763716994 143282.337142762 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2109-Nov-20 23:57 00:15 Jupiter 0.301510559602896 0.30145288273934 0.30156826425187 6.32453705396237 5.86355204389379 2491680.498016777 14.7911260450027 534.026801536258 28.5943609426447 59.5882903702127 141584.794558838 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2156-Nov-07 15:32 00:16 Jupiter 0.734743976229223 0.734654785785419 0.734833170249928 6.29066480903892 6.10465702925023 2508834.146981907 15.5972907325869 682.947523639937 158.011641220728 38.2837493206107 46836.02932529 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22
2192-Nov-01 15:57 00:14 Jupiter 0.271686632637157 0.271597864586892 0.271775427584093 6.37468646657528 5.86526531567224 2521977.164461192 13.8237391735619 606.656544372762 149.543833343322 48.6282589700522 21801.544229097 T K155/2 CATAB v2.0c-linF95 2015-Jun-30 11:22:02 2015-Jun-30 11:22

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1988.9       1989 II   1987k 
 1982.4       1982 VII   1982e 
 1975.8       1976 XI   1976e 
 1969.3       1970 VII   1970d 
 1962.7       1963 VII   1963f 
 1949.6       1950 II   1950a 
 1943.0       1943 III   
 1923.3       1923 II   1923b 
 1910.2       1910 III   1910c 
 1897.1       1897 II   1897a 
 1890.6       1890 V   1890d 
 1877.4       1877 IV   1877d 
 1870.9       1870 III   1870c 
 1857.8   6P/1857 X1   1857 VII   
 1851.2   6P/1851 M1   1851 II   
 1680.7   6P/1678 R1   1678    
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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