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45P/Honda-Mrkos-Pajdusakova
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000045
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 2457798.5 (2017-Feb-14.0) TDB
Reference: JPL K161/12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8239728740011473 9.8455e-08  
a 3.025175690785106 2.272e-06 au
q .5325129824904962 1.0701e-07 au
i 4.248165440352516 4.328e-06 deg
node 88.9817832531519 0.00010506 deg
peri 326.2819404679929 0.00011177 deg
M 8.379504869779069 1.0277e-05 deg
tp 2457753.765747306276
(2016-Dec-31.26574731)
4.534e-06 TDB
period 1921.871425580452
5.26
0.0021651
5.928e-06
d
yr
n .1873174215550196 2.1102e-07 deg/d
Q 5.517838399079716 4.1441e-06 au
  Orbit Determination Parameters
   # obs. used (total)      1685  
   # delay obs. used      9  
   # Doppler obs. used      4  
   data-arc span      203 days  
   first obs. used      2016-11-05  
   last obs. used      2017-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .68863  
   source      ORB  
   producer      Javier Roa  
   solution date      2020-Aug-06 09:00:47  

Additional Information
 Earth MOID = .0602751 au 
 Jupiter MOID = .106108 au 
 T_jup = 2.582 
[ 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 15.1   1. K161/12 2 parameter fit from 152 observations, autocmod 2.8
comet total magnitude slope K1 24.75   n/a K161/12 autocmod 2.8
diameter diameter 1.6 km n/a Lamy,P.L.;Toth,I.;Fernandez,Y.R.;Weaver,H.A. (2004) Comets II, pp. 223-264  

45P/Honda-Mrkos-Pajdusakova          Discovered 1948-Dec-03 by Honda, Minora at Kurashiki, Japan
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
1906-Feb-24 13:15 12:41 Earth 0.19285273799585 0.183991959499923 0.201786270713039 27.8699583839164 27.8694626437708 2417266.052074626 761.230307914037 481391.798705457 5844.0938711823 -22.8116338560155 1861.59650873991 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1916-Dec-02 21:16 19:38 Earth 0.367588276133552 0.367059673422374 0.368116963862306 20.6685437154463 20.6681930083836 2421200.385795741 1178.28202367804 27797.0445960754 602.444689103594 18.5060449377032 22113.6616998337 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1923-Oct-15 09:00 04:00 Jupiter 1.23467507802891 1.23353670450981 1.23581448691942 11.383711943524 11.323287519542 2423707.874984399 240.210793814667 80275.0025671154 4771.78794441444 -45.2940097889322 20394.6662787137 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1927-Nov-11 20:23 08:56 Earth 0.335905174450577 0.335309186188103 0.33650186251119 19.1611736156223 19.1607596366822 2425196.349374513 536.01929183765 38332.5416607259 924.289775630499 -39.1415925925234 27289.2776148987 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1935-Aug-05 19:14 03:39 Jupiter 0.0727669678027172 0.0726856889903913 0.0728489141780362 8.82225894546459 7.38592176609736 2428020.301713215 218.857199779367 12785.9391308511 148.363263187693 -70.6369190042424 81355.8687753982 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1947-Aug-15 18:40 03:32 Jupiter 1.60004196027646 1.59866469328284 1.60141930110417 12.0081477135537 11.9639818259506 2432413.278039684 211.751282255546 70794.149617829 221.89943954374 -14.7211101180936 201479.141477033 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1948-Dec-08 00:47 11:01 Earth 0.416842228831313 0.416301431589492 0.417390887327204 24.0833190209809 24.0830536052241 2432893.532328746 660.958783216155 94267.7232784312 56.6746952836239 -73.2531657267668 1182531.10281404 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1969-Aug-18 07:53 03:53 Earth 0.239438842151427 0.238471092234645 0.240433719106471 26.0725830038546 26.0721561912377 2440451.828138811 232.957241506176 136187.155181572 258.528927486958 -68.9413819771966 129353.865298574 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1971-Feb-16 19:33 01:39 Jupiter 1.39998112633953 1.39938542775532 1.40057690626233 11.8375280464838 11.7863065365262 2440999.314263802 98.5216034939487 34161.1139097602 538.08933803993 29.986046566394 143088.050706735 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1975-Feb-11 09:43 03:22 Earth 0.221283730184448 0.221245697385092 0.22133723085685 23.3895157973863 23.3890009880419 2442454.904765242 201.724186211784 93079.0802746461 279.953207660217 -88.6062659792932 120314.621143054 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1983-Mar-25 04:03 00:28 Jupiter 0.112060178166185 0.112026857956269 0.112093516978982 8.33927982224138 7.37741882207502 2445418.668764742 28.3265808651117 2950.77595078709 121.55385315291 54.9217314597923 125269.980226376 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1990-Aug-01 06:52 00:33 Earth 0.282029767152314 0.281594273656797 0.282465289630476 32.4571934379861 32.4569023606501 2448104.786122846 32.8566118092194 22180.0530275498 3.41864358802601 11.7291758739123 2455367.28415289 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
1996-Feb-04 14:08 00:53 Earth 0.16979054308113 0.169385598071886 0.170195673036261 19.8811788547018 19.8803895124533 2450118.088639229 52.8098698039741 22046.0932482217 3.56028494531803 23.6272606285095 3103195.31678532 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2006-Jun-04 08:56 00:25 Venus 0.0933958253617071 0.0930636133533957 0.0937280513870376 27.8785865880891 27.8777525666287 2453890.872079296 25.4773797454302 16664.3825481193 5.19714180823197 6.22074661123782 284550.624467386 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2011-Aug-15 03:33 00:09 Earth 0.060053168277999 0.0600509678517657 0.060055575731606 24.7105278982085 24.7087322957644 2455788.647908119 9.17822138127833 5565.97647696692 4.5713271593936 88.8187995584009 1983288.30364814 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2017-Feb-11 08:20 < 00:01 Earth 0.0831908723381682 0.0831908716990471 0.0831908729772893 22.9073061454268 22.9059079241294 2457795.847550014 0.000437172265776887 4.77422379657264 0.0318731015180761 89.9979167034375 188853773.44442 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2018-Jun-02 07:31 < 00:01 Jupiter 1.164668810275 1.16466689737057 1.16467072317962 11.1888310092345 11.1236419372532 2458271.813124232 0.726448020451519 104.655712832014 87.385829690819 42.8332254260512 3196790.9829588 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2030-Jul-31 18:53 00:16 Jupiter 0.170666279288763 0.170639137355404 0.170693423178643 7.86468985819873 7.20605848771733 2462714.286494365 16.4517162962086 1658.01408619684 114.803138739741 34.8189700752832 135561.318442505 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2032-Nov-11 01:45 00:43 Earth 0.369702275310138 0.369686047261251 0.369718524484391 21.8420688366106 21.8417388701926 2463547.572979985 43.3648019913531 4482.98711554286 26.2838289587235 -79.5994226479422 2161020.93287454 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2042-Jun-22 10:01 00:04 Jupiter 1.16933149032075 1.16926418564775 1.16939879531399 10.863721742507 10.796838453604 2467057.917092277 4.41398082827424 3493.04457224281 74.1844181552191 17.1010408786787 535087.990635783 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2043-Nov-16 01:13 00:42 Earth 0.396526431172615 0.396487088766291 0.396565779310998 23.1899789670321 23.1896892042692 2467569.551032782 41.6437578128053 3084.46799554258 92.5477515485244 50.5311108352231 463861.376389782 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2054-Jul-30 19:50 00:50 Earth 0.407366656262949 0.406847280924361 0.407886297477624 33.4243609594721 33.4241652710925 2471479.326243905 49.8852956369162 30666.5802683029 116.52710431427 32.3549065590288 273557.247122075 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2060-Feb-15 23:21 03:17 Venus 0.0988569548324577 0.0983820685325148 0.0993375166786022 18.1680670860973 18.1668579715564 2473505.472835416 197.463850125023 44303.1178368227 10.5805210869052 57.4706219781136 1203779.68935514 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2070-Nov-17 04:58 02:57 Earth 0.401377094873536 0.401279622863349 0.401474731644813 23.4458605309276 23.4455773941946 2477432.707113654 177.438651699168 13716.2922148598 62.154181533389 69.2290245355087 853856.284884472 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2077-Sep-02 20:42 00:49 Jupiter 1.46470392556974 1.46424167543575 1.4651661767522 11.8518278403333 11.8029337320238 2479914.362680047 49.4688637992195 23133.4423104787 294.324632314098 -6.6061462055752 63417.135784033 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2081-Aug-13 01:45 01:39 Earth 0.264151112033384 0.263443108504108 0.264862466163733 27.170073894323 27.169702639537 2481354.572828839 98.8953809232581 58764.2940920151 112.737671912703 52.9716401043304 276791.878556143 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2089-Jun-30 14:08 01:06 Jupiter 0.286565458630494 0.286509285479308 0.286621781511641 7.80397262784026 7.41555407804093 2484233.088986744 66.2441712604218 10987.7873035497 178.366285127466 -75.6152287656995 253439.027305144 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2092-Sep-02 09:47 08:08 Venus 0.0468381068697436 0.0461634820920196 0.0476058169920382 16.895534461989 16.8927901533665 2485392.907748867 487.570529184975 110190.24680569 31.9470128646173 70.9324525522754 204263.651234879 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2098-Apr-12 00:04 08:07 Venus 0.145641168744624 0.142117321912576 0.149226546843833 21.4956556925157 21.4949620413822 2487440.502497366 486.596246017251 231745.248386345 35.7645055843487 -40.0919123896009 370307.819301857 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2101-Oct-25 13:14 01:33 Jupiter 0.198280900515673 0.197489518298839 0.199073454622891 8.36153349286472 7.83400154250242 2488732.051576415 92.9574641760416 46646.980303416 167.54818618225 32.7862499665341 94310.8682573858 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2103-Sep-02 22:03 11:23 Earth 0.296553953670427 0.294293952040911 0.298871679821258 18.9062826693895 18.9058074349018 2489409.418745164 682.701525698996 235790.764860236 169.35016213838 -61.0453366722808 236669.16603223 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2109-Jan-27 11:20 07:29 Earth 0.283206625204003 0.281578320590828 0.284841350928582 19.3198923520868 19.3194053736636 2491382.972088221 448.585079329225 105551.264670384 264.135176909239 39.5742974354986 104251.472726214 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2114-Feb-06 00:51 01:38 Venus 0.0979790684005908 0.0974650010041734 0.0985189035566794 23.8498968675556 23.8489675640069 2493218.535660436 97.6415285452092 83515.1937832992 790.123442326842 71.6670589559718 17917.1119153352 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2129-Jul-29 19:05 03:33 Earth 0.350841780007521 0.349505388097347 0.352188844585379 33.1643641383627 33.1641351407919 2498871.295146740 212.988785650766 117476.870324421 2524.056224768 55.3013853759615 16769.4690619611 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2134-Nov-25 13:50 09:23 Earth 0.458669207725167 0.458100646325602 0.459238840181095 26.4550995978865 26.4548800116209 2500816.076666259 562.733877574416 45030.2326042043 722.763340688729 50.943935824489 69440.295348438 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2136-Dec-13 05:50 00:58 Jupiter 0.116455913568006 0.114940298910572 0.117972894115991 8.74969015102156 7.87466912688861 2501564.742980857 58.1681136699846 78445.338641276 1138.51524627932 15.2565941405393 3863.14018822107 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2148-Oct-27 17:52 3_16:57 Jupiter 0.0903738076266426 0.0726677778607088 0.108884610852636 8.57138352303872 7.39755014826738 2505901.244601611 5337.09343768991 1014746.33467259 19.5754152886522 24.5007088248662 315296.507205207 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02
2196-Feb-06 10:25 9_09:04 Jupiter 0.433886591354428 0.200663219486261 0.691778624539914 8.94410832560838 8.72311434796525 2523168.933683881 13503.7377195563 13318294.359349 4725.33398998125 -20.1846368503267 4217.23508645907 T K161/12 CATAB v2.0f-lin.ifort 2020-Aug-06 09:02:03 2020-Aug-06 09:02

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1990.7       1990 XIV   1990f 
 1985.4       1985 III   1985c 
 1980.2       1980 I   1980c 
 1974.9       1974 XVI   1974f 
 1969.6       1969 V   1969e 
 1964.4       1964 VII   1964d 
 1953.9   45P/1954 C1   1954 III   1954a 
 1948.6   45P/1948 X1   1948 XII   1948n 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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