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64P/Swift-Gehrels
Classification: Jupiter-family Comet          SPK-ID: 1000090
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 2458095.5 (2017-Dec-08.0) TDB
Reference: JPL K183/6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6873194552330496 8.0813e-08  
a 4.45615537651515 1.243e-07 au
q 1.393353090694932 3.9089e-07 au
i 8.948390092799494 3.2625e-06 deg
node 300.0009854543124 2.8451e-05 deg
peri 97.14410525137997 4.1965e-05 deg
M 325.3282087274894 4.1333e-06 deg
tp 2458426.412134983940
(2018-Nov-03.91213498)
3.2417e-05 TDB
period 3435.88733728531
9.41
0.00014376
3.936e-07
d
yr
n .104776427356444 4.3838e-09 deg/d
Q 7.518957662335368 2.0973e-07 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] -4.288967091959609E-10 1.563E-10
A2 [EST] 4.992406544248472E-10 3.9E-12
  Orbit Determination Parameters
   # obs. used (total)      3425  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2000-12-22  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44754  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2019-Sep-03 14:46:00  

Additional Information
 Earth MOID = .440161 au 
 Jupiter MOID = .649092 au 
 T_jup = 2.496 
[ 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 14.1   1. K183/6 2 parameter fit from 1127 observations, autocmod 2.8
comet total magnitude slope K1 8.   n/a K183/6 autocmod 2.8
diameter diameter 3.2 km n/a Lamy,P.L.,Toth,I.,Fernandez,Y.R.,Weaver,H.A. (to be published)  

64P/Swift-Gehrels          Discovered 1889-Nov-16 by Swift, Lewis at Warner Observatory, Rochester, New York
Reference: comet.disLast Updated: 2003-08-29

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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
1910-Jan-24 19:30 01:44 Jupiter 0.70845009770422 0.708351499660071 0.708549815197585 8.52554788306264 8.38413787427908 2418696.312774356 103.789135688529 45661.1988138553 807.315379697847 -83.4873184434732 138438.614073804 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
1924-Jul-06 11:18 00:35 Jupiter 1.05271207891413 1.05236843685855 1.05305580370529 7.14681648537999 7.03333250747387 2423972.971069692 35.3041967111767 22673.7883550258 321.098223009151 -39.8879760880434 284334.707026589 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
1992-Dec-28 01:42 00:11 Jupiter 0.829572998663502 0.829562819857805 0.829583178749997 8.17437696705538 8.04850111061889 2448984.571062561 10.6472281647979 1764.515741121 125.41884897374 -73.3586897137625 1213777.76612664 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2007-Jun-20 11:23 00:05 Jupiter 1.01010010053141 1.01008713006784 1.0101130710381 7.02465655883636 6.90425185506079 2454271.974604357 4.91501951681932 727.671597191904 56.0702885948543 -26.0829872247718 1752122.03799682 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2018-Oct-27 21:52 < 00:01 Earth 0.444797954663768 0.44479744026524 0.444798469062346 2.87217030563984 2.87008390764922 2458419.411025790 0.129094990901159 27.4291391191555 16.4194936457804 -26.2635707930072 1488302.57766969 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2054-Aug-17 15:47 00:17 Jupiter 1.09698060223308 1.09683605600857 1.09712515724444 10.9745558778669 10.9039716101035 2471497.157395537 17.4253701191411 8730.35061426161 541.141185137731 34.7603926866282 142366.556588373 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2076-Feb-13 18:37 00:19 Jupiter 1.0554929768458 1.05539386625279 1.05559211740676 9.86383731041384 9.78214222796477 2479347.275605022 19.180782731796 10193.9258108177 228.371277823545 61.3383053482136 523820.54893401 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2090-Mar-04 13:07 01:37 Jupiter 1.61655895483391 1.61632881500147 1.61678909470504 6.32174769022857 6.2383139655935 2484480.046353587 97.1730206584787 11483.0572639639 128.758315995248 1.05721502580982 36575.589608239 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2092-Oct-27 05:15 00:36 Earth 0.447559341284914 0.447330492415896 0.447788595490571 3.68672068292531 3.68510551887872 2485447.718885244 35.9740281196842 24121.8712859509 174.530737811534 -61.7430114522188 194660.29773745 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2123-Aug-02 17:54 02:29 Jupiter 1.65094274207494 1.65068145455821 1.65120405379051 6.25800326001594 6.17547545695893 2496683.245971216 149.38966985904 16456.868341521 764.677462055727 -37.3363988371582 211479.127515209 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2137-Oct-13 20:19 00:53 Jupiter 0.540164440814659 0.539956387125926 0.540372998219399 9.30880219534214 9.13879822013036 2501869.346508185 52.8054708528582 28593.5750290326 1757.07130744572 69.3078350673787 40162.4631668574 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2159-Feb-28 18:57 03:25 Jupiter 1.28452231097202 1.28327590781014 1.28577287873411 9.98177012983031 9.91548897856904 2509677.289550174 204.747625662652 131419.873774199 1072.82809273699 62.0158730115244 156417.656886032 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52
2173-May-11 20:43 11:19 Jupiter 1.2198981117175 1.21660950015427 1.22318683442065 6.60449261697763 6.49851100260714 2514863.363339503 679.043203842271 165053.203021136 268.840281761744 1.19103257182789 15193.5535762402 T K183/6 CATAB v2.0f-lin.ifort 2019-Sep-03 14:52:03 2019-Sep-03 14:52

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1990.6       1991 II   1991c 
 1981.2       1981 XIX   1981j 
 1971.8   64P/1973 C1   1972 VII   1973d 
 1887.1   64P/1889 W1   1889 VI   1889f 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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