MPEC 1996-F03 : COMET C/1996 B2 (HYAKUTAKE)
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 1996-F02
Read MPEC 1996-F04
M.P.E.C. 1996-F03 Issued 1996 Mar. 19, 22:41 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
COMET C/1996 B2 (HYAKUTAKE)
Observations:
CJ96B020 C1996 02 09.73850 14 38 59.93 -24 51 46.6 356
CJ96B020 C1996 02 09.79703 14 39 02.42 -24 51 41.8 356
CJ96B020 C1996 02 18.12263 14 44 50.91 -24 27 41.3 620
CJ96B020 C1996 02 18.79549 14 45 16.99 -24 24 30.9 411
CJ96B020 C1996 02 18.80211 14 45 17.24 -24 24 29.6 897
CJ96B020 C1996 02 18.80535 14 45 17.34 -24 24 28.2 411
CJ96B020 C1996 02 18.81269 14 45 17.62 -24 24 26.2 897
CJ96B020 C1996 02 20.83700 14 46 34.27 -24 13 22.4 356
CJ96B020 C1996 02 20.84507 14 46 34.58 -24 13 19.5 356
CJ96B020 C1996 02 20.84831 14 46 34.72 -24 13 18.6 356
CJ96B020 C1996 02 21.85434 14 47 11.61 -24 06 55.3 360
CJ96B020 C1996 02 21.85764 14 47 11.72 -24 06 54.1 360
CJ96B020 C1996 02 22.77189 14 47 44.78 -24 00 30.0 10.0 T 900
CJ96B020 C1996 02 22.78157 14 47 45.11 -24 00 25.8 10.0 T 900
CJ96B020 C1996 02 22.79720 14 47 45.61 -24 00 20.7 355
CJ96B020 C1996 02 22.79948 14 47 45.66 -24 00 19.2 355
CJ96B020 C1996 02 22.81003 14 47 45.96 -24 00 15.4 355
CJ96B020 C1996 02 23.79817 14 48 20.68 -23 52 37.8 355
CJ96B020 C1996 02 23.80486 14 48 20.95 -23 52 33.4 896
CJ96B020 C1996 02 23.81324 14 48 21.16 -23 52 30.1 355
CJ96B020 C1996 02 23.82263 14 48 21.46 -23 52 24.9 411
CJ96B020 C1996 02 23.83156 14 48 21.74 -23 52 20.3 411
CJ96B020 C1996 02 24.80253 14 48 55.00 -23 44 05.3 397
CJ96B020 C1996 02 24.83388 14 48 55.97 -23 43 48.5 397
CJ96B020 C1996 02 25.10667 14 49 05.36 -23 41 19.4 587
CJ96B020 C1996 02 25.11180 14 49 05.52 -23 41 16.3 587
CJ96B020 C1996 02 25.11382 14 49 05.58 -23 41 15.1 587
CJ96B020 C1996 02 25.12107 14 49 05.78 -23 41 12.6 616
CJ96B020 C1996 02 25.12310 14 49 05.83 -23 41 11.6 616
CJ96B020 C1996 02 25.12953 14 49 06.02 -23 41 07.6 616
CJ96B020 C1996 02 25.14210 14 49 06.39 -23 40 57.3 107
CJ96B020 C1996 02 25.15451 14 49 06.75 -23 40 51.9 107
CJ96B020 C1996 02 27.17375 14 50 12.89 -23 20 05.3 844
CJ96B020 C1996 02 27.19160 14 50 12.87 -23 20 05.3 477
CJ96B020 C1996 02 27.28553 14 50 16.05 -23 18 50.6 844
CJ96B020 C1996 02 27.74205 14 50 30.24 -23 13 41.9 355
CJ96B020 C1996 02 27.74453 14 50 30.32 -23 13 40.4 355
CJ96B020 C1996 02 28.08984 14 50 40.77 -23 09 29.0 978
CJ96B020 C1996 02 28.12382 14 50 41.77 -23 09 04.6 8.6 T 046
CJ96B020 C1996 02 28.12631 14 50 41.83 -23 09 02.6 046
CJ96B020 C1996 02 28.12911 14 50 41.91 -23 09 00.6 046
CJ96B020 C1996 02 28.13289 14 50 42.09 -23 08 58.4 978
CJ96B020 C1996 02 28.66439 14 50 58.48 -23 02 11.9 411
CJ96B020 C1996 02 28.77031 14 51 01.26 -23 00 49.0 900
CJ96B020 C1996 02 28.77952 14 51 01.51 -23 00 41.8 900
CJ96B020 C1996 02 28.81788 14 51 02.54 -23 00 11.1 360
CJ96B020 C1996 02 28.82031 14 51 02.58 -23 00 09.2 360
CJ96B020 C1996 02 28.84052 14 51 03.08 -22 59 54.3 355
CJ96B020 C1996 02 28.84133 14 51 03.17 -22 59 53.3 355
CJ96B020 C1996 02 29.76219 14 51 30.10 -22 46 54.7 413
CJ96B020 C1996 02 29.76378 14 51 30.14 -22 46 53.4 413
CJ96B020 C1996 03 01.68770 14 51 56.49 -22 32 59.5 411
CJ96B020 C1996 03 01.73525 14 51 57.62 -22 32 14.1 411
CJ96B020 C1996 03 02.07512 14 52 06.97 -22 26 41.6 620
CJ96B020 C1996 03 02.09580 14 52 07.46 -22 26 21.5 620
CJ96B020 C1996 03 02.17811 14 52 09.97 -22 24 45.5 844
CJ96B020 C1996 03 02.17891 14 52 10.00 -22 24 44.3 844
CJ96B020 C1996 03 02.35451 14 52 14.03 -22 21 47.3 844
CJ96B020 C1996 03 02.72092 14 52 24.11 -22 15 35.7 411
CJ96B020 C1996 03 02.73018 14 52 24.32 -22 15 26.0 411
CJ96B020 C1996 03 02.78663 14 52 25.51 -22 14 26.3 355
CJ96B020 C1996 03 02.79589 14 52 25.74 -22 14 15.7 355
CJ96B020 C1996 03 02.80438 14 52 25.94 -22 14 06.4 8.7 T 900
CJ96B020 C1996 03 03.02078 14 52 31.87 -22 10 12.9 107
CJ96B020 C1996 03 03.08225 14 52 33.23 -22 09 05.3 107
CJ96B020 C1996 03 03.08308 14 52 33.43 -22 09 03.3 104
CJ96B020 C1996 03 03.09385 14 52 33.66 -22 08 52.0 104
CJ96B020 C1996 03 03.77596 14 52 50.70 -21 55 47.1 356
CJ96B020 C1996 03 03.78265 14 52 50.84 -21 55 38.8 356
CJ96B020 C1996 03 03.80287 14 52 51.22 -21 55 14.3 356
CJ96B020 C1996 03 05.16440 14 53 23.56 -21 26 02.7 8.9 T 540
CJ96B020 C1996 03 05.16580 14 53 23.56 -21 26 01.1 540
CJ96B020 C1996 03 05.16869 14 53 23.69 -21 25 58.7 540
CJ96B020 C1996 03 06.04021 14 53 43.34 -21 04 49.6 107
CJ96B020 C1996 03 06.07848 14 53 44.06 -21 03 51.3 107
CJ96B020 C1996 03 07.27777 14 54 08.35 -20 30 37.3 844
CJ96B020 C1996 03 07.27876 14 54 08.39 -20 30 34.0 844
CJ96B020 C1996 03 07.27987 14 54 08.38 -20 30 34.1 844
CJ96B020 C1996 03 07.28082 14 54 08.40 -20 30 32.4 844
CJ96B020 C1996 03 07.28230 14 54 08.42 -20 30 30.5 844
CJ96B020 C1996 03 07.28307 14 54 08.45 -20 30 27.8 844
CJ96B020 C1996 03 08.19002 14 54 25.60 -20 02 12.7 844
CJ96B020 C1996 03 08.19186 14 54 25.60 -20 02 09.1 844
CJ96B020 C1996 03 09.48955 14 54 45.66 -19 16 04.4 711
CJ96B020 C1996 03 09.49301 14 54 45.69 -19 15 56.5 711
CJ96B020 C1996 03 12.38873 14 55 17.60 -16 57 53.2 7.1 T 819
CJ96B020 C1996 03 12.40191 14 55 17.61 -16 57 06.4 7.0 T 819
CJ96B020 C1996 03 12.41678 14 55 17.65 -16 56 14.0 819
CJ96B020 C1996 03 13.77564 14 55 23.75 -15 27 17.4 360
CJ96B020 C1996 03 13.77963 14 55 23.73 -15 27 00.0 360
CJ96B020 C1996 03 13.78206 14 55 23.71 -15 26 49.3 360
CJ96B020 C1996 03 16.01632 14 55 16.24 -12 06 56.1 611
CJ96B020 C1996 03 16.03113 14 55 15.95 -12 05 19.0 611
CJ96B020 C1996 03 16.09899 14 55 14.68 -11 57 45.0 557
CJ96B020 C1996 03 16.10200 14 55 14.63 -11 57 24.7 557
CJ96B020 C1996 03 16.36793 14 55 11.60 -11 26 57.6 819
CJ96B020 C1996 03 16.38134 14 55 11.19 -11 25 22.8 819
CJ96B020 C1996 03 16.39220 14 55 11.05 -11 24 07.2 819
CJ96B020 C1996 03 18.06962 14 54 39.58 -07 25 39.3 557
CJ96B020 C1996 03 18.07291 14 54 39.46 -07 25 05.7 557
CJ96B020 C1996 03 18.07734 14 54 39.30 -07 24 20.2 557
CJ96B020 C1996 03 18.08028 14 54 39.19 -07 23 50.2 557
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/2 reflector.
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini. 0.40-m f/5
reflector.
107 Cavezzo. Observers R. Calanca, R. Bonomi, F. Manenti, M. Fusari,
M. Facchini, M. Nicolini, G. Mengoli. 0.40-m f/5.5 reflector.
355 Hadano. Observer A. Asami. 0.20-m f/4.0 reflector.
356 Kogota. Observer T. Yusa. 0.20-m f/5.9 Schmidt-Cassegrain.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien.
397 Sapporo Science Center. Observer K. Watanabe. 0.20-m f/6.0 reflector.
411 Oizumi. Observer T. Kobayashi. 0.25-m f/4.4 reflector.
413 Siding Spring. Observers R. H. McNaught, G. J. Garradd. 1.0-m reflector.
477 Galleywood. Observer M. Mobberley. 0.49-m f/4.5 reflector.
540 Linz. Observer E. Mayer, H. Raab. 0.3-m f/5.2 Cassegrain.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector.
587 Sormano. Observers P. Sicoli, F. Manca, M. Cavagna, E. Colzani,
G. Ventre. 0.5-m reflector.
611 Heppenheim. Observer M. Busch. 0.20-m f/6 reflector.
616 Brno. Observer D. Hanzl. Measurer F. Hroch. 0.40-m f/4.4 reflector.
620 Mallorca. Observers R. Pacheco, M. Blasco, A. Lopez. 0.20-m f/9
Schmidt-Cassegrain. Long. = 2.9517, rho cos phi' = 0.77110,
rho sin phi' = +0.63463.
711 McDonald Observatory. Observer A. L. Whipple. 0.76-m reflector.
819 Val-des-Bois. Observer D. Bergeron. 0.25-m f/10 Schmidt-Cassegrain.
844 Los Molinos. Observers J. Licandro, O. Mendez, G. Tancredi.
0.35-m reflector.
896 Yatsugatake South Base Observatory. Observer M. Fukuda. Measurer
Y. Kushida. 0.25-m f/6.3 Schmidt-Cassegrain.
897 Chiyoda. Observer T. Kojima. 0.25-m f/6.0 reflector.
900 Ohtsu. Observer Y. Ikari. 0.25-m f/6.3 reflector.
978 Conder Brow. Observer D. G. Buczynski. 0.55-m reflector.
Orbital elements:
C/1996 B2 (Hyakutake)
Epoch 1996 Apr. 27.0 TT = JDT 2450200.5
T 1996 May 1.39602 TT Marsden
q 0.2300668 (2000.0) P Q
z +0.0012788 Peri. 130.20416 +0.57800074 +0.80792903
+/-0.0000578 Node 188.04347 +0.23083551 -0.02701050
e 0.9997058 Incl. 124.91204 +0.78270691 -0.58866044
From 371 observations 1996 Jan. 1-Mar. 18, mean residual 0".61.
Ephemeris:
C/1996 B2 (Hyakutake)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1
1996 03 18 14 54.69 -07 37.1 0.262 1.192 133.6 37.2 3.4
1996 03 19 14 54.15 -04 27.0 0.232 1.172 135.1 36.9 3.0
1996 03 20 14 53.38 -00 20.8 0.203 1.151 136.4 36.6 2.6
1996 03 21 14 52.25 +05 06.4 0.175 1.131 137.3 36.7 2.2
1996 03 22 14 50.57 +12 31.7 0.149 1.110 137.2 37.6 1.8
1996 03 23 14 47.97 +22 46.3 0.127 1.090 134.7 40.5 1.4
1996 03 23.2 14 47.28 +25 14.3 0.123 1.086 133.8 41.5 1.3
1996 03 23.4 14 46.51 +27 51.6 0.119 1.082 132.8 42.6 1.2
1996 03 23.6 14 45.65 +30 38.2 0.116 1.077 131.5 43.9 1.1
1996 03 23.8 14 44.68 +33 34.2 0.113 1.073 130.0 45.3 1.1
1996 03 24.0 14 43.58 +36 39.2 0.110 1.069 128.4 47.0 1.0
1996 03 24.2 14 42.33 +39 53.1 0.108 1.065 126.5 48.8 0.9
1996 03 24.4 14 40.89 +43 14.9 0.106 1.061 124.5 50.8 0.9
1996 03 24.6 14 39.22 +46 43.7 0.104 1.057 122.2 53.0 0.8
1996 03 24.8 14 37.25 +50 18.2 0.103 1.052 119.9 55.3 0.8
1996 03 25.0 14 34.91 +53 56.9 0.102 1.048 117.3 57.7 0.8
1996 03 25.2 14 32.08 +57 38.2 0.102 1.044 114.7 60.3 0.7
1996 03 25.4 14 28.59 +61 19.9 0.102 1.040 111.9 62.9 0.7
1996 03 25.6 14 24.19 +65 00.2 0.102 1.036 109.1 65.5 0.7
1996 03 25.8 14 18.46 +68 37.0 0.103 1.031 106.3 68.1 0.7
1996 03 26.0 14 10.7 +72 08.3 0.104 1.027 103.6 70.8 0.7
1996 03 26.2 13 59.7 +75 32.2 0.106 1.023 100.8 73.3 0.7
1996 03 26.4 13 43.0 +78 46.2 0.108 1.019 98.1 75.8 0.7
1996 03 26.6 13 15.0 +81 46.5 0.110 1.014 95.5 78.3 0.8
1996 03 26.8 12 21.1 +84 24.7 0.113 1.010 93.0 80.6 0.8
1996 03 27.0 10 26 +86 14.3 0.116 1.006 90.6 82.7 0.9
1996 03 27.2 07 31 +86 17.7 0.120 1.002 88.3 84.8 0.9
1996 03 27.4 05 39.8 +84 46.0 0.123 0.997 86.2 86.8 0.9
1996 03 27.6 04 47.7 +82 44.5 0.127 0.993 84.1 88.6 1.0
1996 03 27.8 04 20.4 +80 38.8 0.131 0.989 82.2 90.3 1.0
1996 03 28 04 04.1 +78 36.2 0.135 0.985 80.3 91.9 1.1
1996 03 29 03 32.11 +69 52.0 0.159 0.963 72.6 98.3 1.3
1996 03 30 03 21.78 +63 23.9 0.185 0.941 66.8 102.7 1.6
1996 03 31 03 16.63 +58 33.6 0.214 0.919 62.3 105.8 1.8
1996 04 01 03 13.49 +54 51.0 0.243 0.897 58.7 107.9 2.0
1996 04 02 03 11.31 +51 56.0 0.273 0.875 55.7 109.4 2.1
1996 04 03 03 09.67 +49 35.0 0.304 0.853 53.1 110.3 2.2
1996 04 04 03 08.33 +47 38.9 0.335 0.830 50.8 110.9 2.3
1996 04 05 03 07.19 +46 01.4 0.367 0.807 48.8 111.3 2.4
1996 04 06 03 06.16 +44 38.1 0.398 0.784 46.9 111.4 2.4
1996 04 07 03 05.20 +43 25.8 0.430 0.761 45.1 111.3 2.5
1996 04 08 03 04.28 +42 21.9 0.462 0.738 43.4 111.1 2.5
1996 04 09 03 03.37 +41 24.8 0.494 0.714 41.9 110.7 2.5
1996 04 10 03 02.46 +40 33.0 0.526 0.690 40.3 110.1 2.5
1996 04 11 03 01.53 +39 45.5 0.558 0.666 38.8 109.5 2.5
1996 04 12 03 00.57 +39 01.2 0.591 0.642 37.4 108.7 2.4
1996 04 13 02 59.57 +38 19.4 0.623 0.618 35.9 107.8 2.4
1996 04 14 02 58.52 +37 39.6 0.656 0.593 34.5 106.7 2.3
1996 04 15 02 57.41 +37 01.0 0.689 0.568 33.1 105.5 2.2
1996 04 16 02 56.24 +36 23.3 0.721 0.543 31.7 104.1 2.1
1996 04 17 02 54.99 +35 46.0 0.754 0.518 30.3 102.6 2.0
1996 04 18 02 53.67 +35 08.5 0.787 0.493 28.8 100.8 1.9
1996 04 19 02 52.25 +34 30.4 0.820 0.468 27.4 98.8 1.8
1996 04 20 02 50.74 +33 51.3 0.853 0.442 25.9 96.5 1.6
1996 04 21 02 49.12 +33 10.7 0.887 0.417 24.5 93.9 1.4
1996 04 22 02 47.40 +32 27.9 0.920 0.392 23.0 90.9 1.3
1996 04 23 02 45.55 +31 42.4 0.953 0.367 21.4 87.4 1.0
1996 04 24 02 43.59 +30 53.4 0.986 0.343 19.8 83.4 0.8
1996 04 25 02 41.50 +30 00.3 1.018 0.320 18.2 78.7 0.6
1996 04 26 02 39.30 +29 02.1 1.051 0.298 16.5 73.3 0.3
1996 04 27 02 37.00 +27 57.9 1.082 0.277 14.7 67.1 0.1
1996 04 28 02 34.64 +26 47.0 1.112 0.260 12.9 59.9 -0.1
1996 04 29 02 32.25 +25 28.6 1.140 0.245 11.1 51.9 -0.3
1996 05 08 02 21.84 +10 40.3 1.243 0.324 11.5 38.4 1.1
1996 05 09 02 22.27 +09 04.9 1.241 0.348 13.3 41.9 1.4
1996 05 10 02 22.92 +07 31.8 1.238 0.372 15.1 45.0 1.7
1996 05 11 02 23.77 +06 01.0 1.234 0.397 16.9 47.6 1.9
1996 05 12 02 24.80 +04 32.1 1.230 0.422 18.6 49.9 2.2
1996 05 13 02 25.97 +03 05.0 1.224 0.447 20.4 51.8 2.4
1996 05 14 02 27.28 +01 39.3 1.219 0.473 22.1 53.4 2.7
1996 05 15 02 28.72 +00 15.0 1.213 0.498 23.7 54.8 2.9
1996 05 16 02 30.26 -01 08.3 1.207 0.523 25.4 55.9 3.1
1996 05 17 02 31.91 -02 30.6 1.201 0.548 27.0 56.9 3.3
1996 05 18 02 33.66 -03 52.1 1.194 0.573 28.6 57.7 3.5
1996 05 19 02 35.50 -05 12.9 1.188 0.598 30.2 58.3 3.6
1996 05 20 02 37.43 -06 33.3 1.182 0.623 31.8 58.9 3.8
1996 05 21 02 39.44 -07 53.2 1.176 0.647 33.3 59.3 4.0
1996 05 22 02 41.54 -09 12.8 1.170 0.671 34.9 59.6 4.1
1996 05 23 02 43.71 -10 32.1 1.164 0.695 36.4 59.8 4.3
1996 05 24 02 45.96 -11 51.3 1.159 0.719 37.9 60.0 4.4
1996 05 25 02 48.29 -13 10.3 1.153 0.743 39.4 60.0 4.5
1996 05 26 02 50.69 -14 29.3 1.148 0.766 40.9 60.0 4.6
1996 05 27 02 53.17 -15 48.2 1.143 0.789 42.4 60.0 4.8
1996 05 28 02 55.73 -17 07.0 1.139 0.812 43.9 59.9 4.9
1996 05 29 02 58.36 -18 25.9 1.134 0.835 45.3 59.7 5.0
1996 05 30 03 01.06 -19 44.8 1.130 0.857 46.7 59.5 5.1
1996 05 31 03 03.85 -21 03.7 1.127 0.880 48.2 59.2 5.2
1996 06 01 03 06.71 -22 22.6 1.123 0.902 49.6 58.9 5.3
1996 06 02 03 09.66 -23 41.5 1.120 0.924 51.0 58.6 5.4
1996 06 03 03 12.69 -25 00.4 1.118 0.946 52.4 58.2 5.5
1996 06 04 03 15.80 -26 19.2 1.116 0.967 53.8 57.8 5.6
1996 06 05 03 19.00 -27 37.9 1.114 0.989 55.1 57.3 5.7
1996 06 06 03 22.29 -28 56.5 1.113 1.010 56.5 56.9 5.8
"Original" and "future" 1/a = +0.002376 and +0.001510 AU**-1, respectively.
Brian G. Marsden (C) Copyright 1996 MPC M.P.E.C. 1996-F03
Read MPEC 1996-F02
Read MPEC 1996-F04
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)