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45P/Honda-Mrkos-Pajdusakova
Classification: Jupiter-family Comet [NEO]          SPK-ID: 1000045
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
:
Orbital Elements at Epoch 2456060.5 (2012-May-13.0) TDB
Reference: JPL K112/2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8246720758970018 1.9243e-06  
a 3.021546191968544 3.7545e-05 AU
q .5297614214191643 8.9182e-07 AU
i 4.252433260900838 1.3449e-05 deg
node 89.00218090291999 0.00015429 deg
peri 326.2580403750489 0.00022254 deg
M 42.638552274391 0.00078718 deg
tp 2455833.282261251390
(2011-Sep-28.78226125)
4.7379e-05 JED
period 1918.413773129635
5.25
0.035756
9.789e-05
d
yr
n .187655033049887 3.4976e-06 deg/d
Q 5.513330962517924 6.8507e-05 AU

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A1 [EST] 3.881341125636597E-9 3.574E-10
A2 [EST] 4.33006560214081E-10 9.534E-11
  Orbit Determination Parameters
   # obs. used (total)      912  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      2144 days (5.87 yr)  
   first obs. used      2006-05-30  
   last obs. used      2012-04-12  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      3  
   fit RMS      .59465  
   data source      ORB  
   producer      Alan B. Chamberlin  
   solution date      2012-May-02 16:10:04  

Additional Information
 Earth MOID = .060071 AU 
 T_jup = 2.582 
[ 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. mag n/a ICQ 2001 Handbook  
comet total magnitude slope K1 26.0   n/a ICQ 2001 Handbook  
comet nuclear magnitude M2 18. mag n/a ICQ 2001 Handbook  
comet nuclear magnitude slope K2 15.0   n/a ICQ 2001 Handbook  
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

[ 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
1935-Jul-25 06:29 1_22:05 Jupiter 0.0658718253646041 0.0649619042643883 0.0695907683842842 9.00492389680745 7.4411935058416 2428008.770541744 2765.35860468579 95714.6004832675 141.126491170985 -82.1218931827743 9887.24957680334 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1947-Aug-25 23:56 1_11:32 Jupiter 1.50311044384292 1.45490180243087 1.55024799374608 11.6989276482987 11.6506601432352 2432423.497549880 2132.10809769494 692323.14913946 387.230711254086 -4.85767327346291 9310.79630318879 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1969-Aug-30 10:05 2_01:32 Earth 0.236939218486094 0.225742360449546 0.277141876868938 21.3383185750359 21.3377915629551 2440463.920699820 2972.9743090433 3504563.59094548 1337.10909566353 75.7165500538714 22767.1788238953 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1971-Feb-21 12:31 17:46 Jupiter 1.44043032179907 1.42019988156121 1.46052071935664 11.982305824314 11.9331296870559 2441004.022050946 1066.01846751553 314053.528914176 525.540754655558 17.602881288318 24366.7624902126 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1975-Feb-19 14:11 1_02:17 Earth 0.249743992634153 0.229645151366323 0.28087886619537 27.0818903063799 27.0814963560326 2442463.091342967 1577.3801384677 2747768.92489814 1855.01043590076 61.1025367321248 16303.1774866362 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1983-Mar-23 19:58 07:12 Jupiter 0.11388606053525 0.112943446491245 0.114838771583145 8.31535792859576 7.36683554665081 2445417.332497720 432.185467493427 8369.33437696027 39.4843932203197 50.1372381818776 44157.3491192663 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1990-Aug-02 13:14 03:50 Earth 0.258183237968474 0.248485388227985 0.267891329961139 31.7312532180013 31.7309279814766 2448106.051967548 230.884506146047 482299.658289843 36.6916176411347 13.162672196081 225993.496170545 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
1996-Feb-06 01:13 03:16 Earth 0.153321550295109 0.148352733677602 0.158351987428668 20.3984899884002 20.3976380264444 2450119.551041859 196.414944164445 228133.014182713 35.0918824328489 25.6892724189815 248477.541924956 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2006-Jun-04 19:52 < 00:01 Venus 0.0850085569014074 0.0849933077536063 0.08502380601367 27.4702230354487 27.4692931028405 2453891.328263106 0.381908627107167 728.620606809808 21.3192107786095 6.3556150298863 63638.1243516765 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2011-Aug-15 08:16 < 00:01 Earth 0.0600842296245964 0.0600839426986372 0.0600845165504939 24.6137346211378 24.6119328889448 2455788.844452491 0.010227798598875 13.1680811696266 9.97302831900575 0.478802488978188 621403.080698958 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2017-Feb-11 14:44 00:55 Earth 0.080400257668756 0.0792179658888472 0.0816094561450676 23.0336764515612 23.0322376357032 2457796.114426661 55.3230158804496 82619.5746410953 19.409950340185 51.0101695225987 433259.261461231 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2018-Jun-02 09:27 00:11 Jupiter 1.16587168537975 1.16533598911644 1.16640719459888 11.1938208805603 11.1287284610783 2458271.894142322 11.2589676849222 7780.9753620138 38.3852811490824 -5.44584064172409 78047.1210652672 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2030-Jul-30 23:20 05:02 Jupiter 0.172568598608592 0.171043495441385 0.174098724493591 7.85683623868704 7.2050835076733 2462713.472267683 302.13633593511 10668.1961501199 42.8604192815045 31.5515926106337 39677.4616745247 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2032-Nov-12 23:24 1_02:08 Earth 0.370761551062869 0.370112395149809 0.371532115479017 21.9159966288613 21.9156687150661 2463549.475616152 1568.06371070391 300408.096920305 787.063840420797 -83.1965942591527 62367.4367909902 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2042-Jun-22 09:19 00:32 Jupiter 1.17086541767436 1.16947028306539 1.17226056335607 10.8740950577903 10.8073637736959 2467057.888203727 32.4183552006036 23276.6973086884 258.399019060635 29.2286660931835 59299.5328759156 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2043-Nov-14 21:48 14:04 Earth 0.398791112966232 0.39710763531344 0.400495716379572 23.2442301208733 23.2439426761097 2467568.408762959 844.461067943213 155160.817549074 3517.72377609828 58.0179420736219 12971.1724751934 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2054-Jul-29 14:25 06:39 Earth 0.423888087076408 0.410652017174341 0.437342511497579 34.0773585669263 34.0771741093941 2471478.100821987 399.088760075551 806666.190241424 3524.96342890706 34.4929911653966 9681.48102465004 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2060-Feb-11 16:00 1_09:34 Venus 0.113686510985673 0.103269938914878 0.126150136436308 18.0462309986929 18.0451725099562 2473501.166967133 2014.12246904982 720068.600407926 1084.98687329998 52.621641133047 10808.0914558889 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2070-Nov-15 02:36 1_10:56 Earth 0.404113636781328 0.402025199237512 0.40635299400589 23.5059991930047 23.5057186930971 2477430.608704794 2096.88261512587 367389.797521308 3411.74957277169 73.8076710310988 15374.6029295923 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2077-Sep-02 06:00 03:44 Jupiter 1.45684175065593 1.44797003316172 1.4656911802285 11.8431168280892 11.7939219924852 2479913.750521129 224.949015300376 109551.396935415 944.970961876377 8.15675811554413 6329.71949278822 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2081-Aug-13 03:29 01:44 Earth 0.259706975444986 0.259011206634628 0.260402541724144 27.0899277485745 27.0895490236143 2481354.645810829 104.757154178878 135754.624364255 32373.7239521145 84.9544794015663 1105.62593125146 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2089-Jun-29 12:02 00:56 Jupiter 0.285207730450378 0.283603298517578 0.286835778157764 7.81740617315718 7.42779582314803 2484232.001525073 56.3361352603971 17824.2680509321 287.444710179526 -60.677736650725 16637.0901752655 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2092-Sep-06 09:46 06:07 Venus 0.0441585114545528 0.0425632599593772 0.0460746931158219 16.9822780312829 16.9793820509092 2485396.907328693 367.567232371369 188798.615768793 25897.706731382 -67.1036652295947 200.945195902358 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2101-Oct-24 04:51 00:24 Jupiter 0.182147489557891 0.178465554077517 0.185904760301611 8.37901682771955 7.80432699986643 2488730.702465561 24.828206313778 35045.6951009119 234.391709902048 45.8062338268233 11341.9083390863 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2103-Sep-10 22:32 10:13 Earth 0.332837264328674 0.326771685834517 0.339619350517895 18.1858036792442 18.1853634760718 2489417.439129594 613.86170038655 559401.498658146 15803.4905026131 -71.33757920284 2544.9579326279 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2103-Oct-30 16:26 11:37 Venus 0.143918510944203 0.139243644555295 0.148736190498533 19.6060131958644 19.6052435843952 2489467.185067039 697.827663718232 188600.730205509 36475.7106694892 23.5475015577776 228.154547597291 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2109-Feb-02 09:17 14:48 Earth 0.247296853645732 0.232771675867736 0.262480936789407 20.107014467237 20.1064786064719 2491388.886998117 888.090886394099 662400.882839617 32568.3139981238 31.0482585083641 513.950823277068 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2114-Feb-10 06:14 1_04:37 Venus 0.105725794254709 0.0928918272600819 0.13207201842382 21.3750941299841 21.3741332044706 2493222.759866470 1717.61656798911 1802510.57298715 5676.76362120542 -62.7705069652983 2230.04548398605 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2129-Aug-02 09:53 1_09:31 Earth 0.271025598015559 0.20879281968284 0.345929024465175 30.8556080524386 30.8552894345351 2498874.912124321 2011.98923597224 4376457.54612695 6290.50747030996 38.408392785825 3765.22662217551 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2136-Dec-08 23:01 1_00:40 Jupiter 0.109612569319414 0.0993376680816279 0.120677813876785 8.8447088615654 7.92300647712414 2501560.459532670 1480.34609722348 102782.218979522 1485.27478243753 -42.7904237344718 1057.84808901597 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33
2148-Oct-03 19:56 22:39 Jupiter 0.126907797660776 0.0127934746410369 0.269528404055594 8.76604106956446 7.96836541039975 2505877.330715418 1359.77496706272 1021274.40152979 2827.00613300323 -9.07586269438864 129.477829324431 T K112/2 CATAB v2.0c-linF95 2012-May-02 16:33:02 2012-May-02 16:33

Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 1990.7       1990 XIV   1990f 
 1985.5       1985 III   1985c 
 1980.2       1980 I   1980c 
 1975.0       1974 XVI   1974f 
 1969.7       1969 V   1969e 
 1964.5       1964 VII   1964d 
 1954.0   45P/1954 C1   1954 III   1954a 
 1948.7   45P/1948 X1   1948 XII   1948n 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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