From: j.jahn@abbs.hanse.de (Jost Jahn)
Newsgroups: sci.astro
Subject: Comets daily 1993 Jan. 11 - 18.
Reply-To: j.jahn@abbs.hanse.de
Date: 27 Dec 92 20:19:00 MET
Distribution: sci
Organization: ABBS AstroMail, D-W 2121 Dahlenburg / Germany
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Message-Id:   <25487608538@amterm1.abbs.hanse.de>
Daily comet ephemerides for the period: Monday, 1993 Jan. 11 - 18, 0 h UT
(Universal Time). Due to e-mail problems the posting of the five different
ephemerides has to be made on three days. Only every fifth issue of these
different ephemerides detailed explanations are given alternately!

Name of the comet     Rect(1950)Decl Rect(2000)Decl  r    d   Elo Magn MotioPos
[P/] Name [Pro/Fin]    h   m    o  '  h   m    o  ' A.U. A.U.  o  Step  "/h  o
----------------------------- Monday, 1993 Jan. 11 ----------------------------
Helin-Lawrenc (1991l) 23:17.6 +16:01 23:20.1 +16:17 4.50 4.78  68 14.7 14.0/ 54
Tanaka-Machho (1992d)  8:24.4 +27:53  8:27.4 +27:43 3.66 2.70 166 12.3 56.8/260
P/Brewington (1992p)   9:18.8 +34:16  9:21.9 +34:04 2.72 1.81 153 12.1 35.6/276
Shoemaker-Le (1991a1) 10:08.4 -69:36 10:09.6 -69:50 2.78 2.71  84 12.8 74.2/251
P/Schuster (1992n)     8:25.4 +54:11  8:29.2 +54:00 2.01 1.12 146 14.8 34.7/298
P/Giclas (1992l)       3:55.9 +14:21  3:58.7 +14:30 2.12 1.35 129 15.0 23.7/ 37
Ohshita (1992a1)      16:37.7 +71:37 16:37.1 +71:31 1.49 0.99  98 14.2  226/ 46
P/Ciffreo (1992s)      0:40.8 + 2:07  0:43.4 + 2:23 1.71 1.58  80 14.5 88.4/ 53
P/Howell (1992c)      18:06.3 -24:28 18:09.3 -24:28 1.49 2.39  19 12.5  122/ 91
P/Schaumasse (1992x)   3:28.7 +24:52  3:31.7 +25:02 1.38 0.55 126  9.7 54.3/352
P/Forbes              17:17.5 -27:54 17:20.6 -27:57 1.59 2.37  30 13.9  116/ 94
Helin-Lawrenc (1992q) 23:04.3 -53:38 23:07.2 -53:22 2.17 2.64  52 14.0 10.3/117
Shoemaker (1992y)      1:47.6 +44:43  1:50.7 +44:58 2.46 1.96 109 14.4 33.6/303
P/Vaeisaelae 1 (1992u)    9:54.4 +11:17  9:57.1 +11:02 2.09 1.21 143 15.2 19.1/ 33
---------------------------- Tuesday, 1993 Jan. 12 ----------------------------
Helin-Lawrenc (1991l) 23:17.9 +16:04 23:20.4 +16:21 4.51 4.80  67 14.7 14.3/ 55
Tanaka-Machho (1992d)  8:22.7 +27:49  8:25.7 +27:39 3.67 2.71 167 12.3 56.7/260
P/Brewington (1992p)   9:17.7 +34:18  9:20.7 +34:05 2.73 1.81 154 12.1 36.1/275
Shoemaker-Le (1991a1) 10:02.7 -69:45 10:03.8 -69:59 2.80 2.71  85 12.8 74.3/253
P/Schuster (1992n)     8:24.0 +54:17  8:27.8 +54:07 2.01 1.12 146 14.8 34.2/296
P/Giclas (1992l)       3:56.3 +14:29  3:59.1 +14:37 2.12 1.37 129 15.1 24.3/ 39
Ohshita (1992a1)      16:52   +72:36 16:51.1 +72:32 1.50 1.01  98 14.3  218/ 48
P/Ciffreo (1992s)      0:42.7 + 2:28  0:45.2 + 2:45 1.71 1.59  80 14.5 88.8/ 53
P/Howell (1992c)      18:09.9 -24:29 18:12.9 -24:28 1.49 2.38  19 12.5  122/ 91
P/Schaumasse (1992x)   3:28.5 +25:14  3:31.5 +25:24 1.37 0.55 125  9.6 54.6/355
P/Forbes              17:21.0 -27:58 17:24.1 -28:00 1.59 2.36  30 13.9  117/ 94
Helin-Lawrenc (1992q) 23:04.7 -53:40 23:07.6 -53:24 2.17 2.64  51 14.0 11.0/116
Shoemaker (1992y)      1:46.6 +44:50  1:49.6 +45:05 2.45 1.97 108 14.4 32.4/304
P/Vaeisaelae 1 (1992u)    9:54.7 +11:23  9:57.3 +11:09 2.08 1.20 144 15.2 19.2/ 30
--------------------------- Wednesday, 1993 Jan. 13 ---------------------------
Helin-Lawrenc (1991l) 23:18.2 +16:08 23:20.7 +16:24 4.52 4.83  66 14.7 14.7/ 54
Tanaka-Machho (1992d)  8:21.0 +27:45  8:24.0 +27:35 3.68 2.71 168 12.3 56.7/260
P/Brewington (1992p)   9:16.5 +34:19  9:19.6 +34:06 2.74 1.81 155 12.2 36.6/275
Shoemaker-Le (1991a1)  9:57.1 -69:53  9:58.1 -70:08 2.81 2.72  85 12.8 87.5/260
P/Schuster (1992n)     8:22.5 +54:22  8:26.4 +54:13 2.02 1.13 146 14.8 33.8/294
P/Giclas (1992l)       3:56.7 +14:36  3:59.5 +14:45 2.13 1.38 128 15.1 25.0/ 41
Ohshita (1992a1)      17:07   +73:31 17:06   +73:27 1.52 1.02  98 14.4  211/ 52
P/Ciffreo (1992s)      0:44.6 + 2:49  0:47.2 + 3:06 1.71 1.60  79 14.5 89.2/ 53
P/Howell (1992c)      18:13.4 -24:30 18:16.5 -24:29 1.49 2.38  19 12.5  123/ 90
P/Schaumasse (1992x)   3:28.4 +25:36  3:31.4 +25:46 1.37 0.55 124  9.6 55.0/358
P/Forbes              17:24.5 -28:01 17:27.6 -28:03 1.58 2.35  30 13.9  117/ 93
Helin-Lawrenc (1992q) 23:05.2 -53:42 23:08.1 -53:26 2.16 2.65  51 14.0 11.7/116
Shoemaker (1992y)      1:45.6 +44:58  1:48.6 +45:13 2.45 1.98 107 14.4 31.3/306
P/Vaeisaelae 1 (1992u)    9:54.9 +11:30  9:57.6 +11:16 2.08 1.19 145 15.1 19.5/ 27
---------------------------- Thursday, 1993 Jan. 14 ---------------------------
Helin-Lawrenc (1991l) 23:18.5 +16:11 23:21.1 +16:28 4.53 4.85  65 14.7 15.1/ 54
Tanaka-Machho (1992d)  8:19.3 +27:41  8:22.4 +27:31 3.69 2.72 169 12.3 56.5/259
P/Brewington (1992p)   9:15.3 +34:20  9:18.4 +34:08 2.74 1.82 155 12.2 37.0/274
Shoemaker-Le (1991a1)  9:51.2 -70:00  9:52.1 -70:14 2.82 2.72  86 12.8 74.4/257
P/Schuster (1992n)     8:21.1 +54:28  8:24.9 +54:18 2.02 1.13 146 14.9 33.4/292
P/Giclas (1992l)       3:57.2 +14:44  4:00.0 +14:52 2.13 1.39 127 15.1 25.7/ 42
Ohshita (1992a1)      17:23   +74:19 17:22   +74:17 1.53 1.04  98 14.4  204/ 55
P/Ciffreo (1992s)      0:46.5 + 3:11  0:49.1 + 3:27 1.71 1.61  79 14.5 89.6/ 54
P/Howell (1992c)      18:17.0 -24:30 18:20.1 -24:29 1.48 2.37  19 12.4  123/ 90
P/Schaumasse (1992x)   3:28.4 +25:58  3:31.4 +26:08 1.36 0.55 123  9.5 55.4/  0
P/Forbes              17:28.0 -28:04 17:31.2 -28:06 1.58 2.34  31 13.8  117/ 93
Helin-Lawrenc (1992q) 23:05.7 -53:44 23:08.6 -53:28 2.16 2.65  50 14.0 12.3/115
Shoemaker (1992y)      1:44.6 +45:05  1:47.7 +45:20 2.45 1.99 106 14.4 30.3/307
P/Vaeisaelae 1 (1992u)    9:55.1 +11:37  9:57.8 +11:23 2.07 1.18 146 15.1 19.7/ 24
----------------------------- Friday, 1993 Jan. 15 ----------------------------
Helin-Lawrenc (1991l) 23:18.9 +16:15 23:21.4 +16:31 4.54 4.88  65 14.7 15.4/ 54
Tanaka-Machho (1992d)  8:17.7 +27:37  8:20.7 +27:27 3.70 2.73 170 12.3 56.4/259
P/Brewington (1992p)   9:14.1 +34:21  9:17.2 +34:09 2.75 1.82 156 12.2 37.4/274
Shoemaker-Le (1991a1)  9:45.3 -70:06  9:46.1 -70:20 2.83 2.72  86 12.8 74.4/259
P/Schuster (1992n)     8:19.7 +54:32  8:23.5 +54:23 2.03 1.14 146 14.9 32.9/290
P/Giclas (1992l)       3:57.7 +14:52  4:00.5 +14:60 2.14 1.40 126 15.2 26.4/ 44
Ohshita (1992a1)      17:40   +75:02 17:39   +75:01 1.55 1.06  98 14.5  197/ 58
P/Ciffreo (1992s)      0:48.4 + 3:32  0:51.0 + 3:48 1.71 1.61  78 14.5 90.0/ 54
P/Howell (1992c)      18:20.7 -24:31 18:23.7 -24:29 1.48 2.37  20 12.4  123/ 90
P/Schaumasse (1992x)   3:28.4 +26:20  3:31.4 +26:30 1.35 0.55 122  9.5 56.0/  3
P/Forbes              17:31.6 -28:06 17:34.7 -28:08 1.58 2.34  31 13.8  118/ 93
Helin-Lawrenc (1992q) 23:06.2 -53:46 23:09.1 -53:30 2.15 2.65  50 13.9 13.0/115
Shoemaker (1992y)      1:43.8 +45:12  1:46.8 +45:27 2.44 2.00 105 14.4 29.2/309
P/Vaeisaelae 1 (1992u)    9:55.3 +11:45  9:58.0 +11:30 2.07 1.17 147 15.1 20.1/ 20
---------------------------- Saturday, 1993 Jan. 16 ---------------------------
Helin-Lawrenc (1991l) 23:19.2 +16:18 23:21.7 +16:35 4.55 4.90  64 14.8 15.7/ 55
Tanaka-Machho (1992d)  8:16.0 +27:32  8:19.0 +27:23 3.71 2.74 171 12.3 56.1/259
P/Brewington (1992p)   9:12.9 +34:22  9:16.0 +34:09 2.76 1.82 157 12.2 37.7/273
Shoemaker-Le (1991a1)  9:39.4 -70:12  9:40.1 -70:25 2.85 2.73  87 12.8 74.5/261
P/Schuster (1992n)     8:18.3 +54:36  8:22.1 +54:27 2.04 1.15 146 14.9 32.5/287
P/Giclas (1992l)       3:58.2 +14:59  4:01.0 +15:08 2.14 1.42 125 15.2 27.1/ 45
Ohshita (1992a1)      17:58   +75:39 17:57   +75:39 1.56 1.08  98 14.6  190/ 62
P/Ciffreo (1992s)      0:50.4 + 3:53  0:53.0 + 4:10 1.71 1.62  78 14.5 90.4/ 54
P/Howell (1992c)      18:24.3 -24:30 18:27.3 -24:28 1.48 2.36  20 12.4  124/ 89
P/Schaumasse (1992x)   3:28.5 +26:42  3:31.5 +26:53 1.35 0.55 121  9.4 56.7/  5
P/Forbes              17:35.1 -28:08 17:38.3 -28:10 1.57 2.33  31 13.8  118/ 92
Helin-Lawrenc (1992q) 23:06.7 -53:48 23:09.6 -53:32 2.15 2.65  50 13.9 13.7/114
Shoemaker (1992y)      1:42.9 +45:20  1:46.0 +45:35 2.44 2.01 104 14.4 28.3/311
P/Vaeisaelae 1 (1992u)    9:55.5 +11:52  9:58.2 +11:38 2.06 1.16 148 15.0 20.5/ 17
----------------------------- Sunday, 1993 Jan. 17 ----------------------------
Helin-Lawrenc (1991l) 23:19.6 +16:22 23:22.1 +16:39 4.56 4.92  63 14.8 15.9/ 55
Tanaka-Machho (1992d)  8:14.4 +27:28  8:17.4 +27:18 3.72 2.75 172 12.3 55.9/259
P/Brewington (1992p)   9:11.7 +34:23  9:14.7 +34:10 2.76 1.83 158 12.2 38.0/272
Shoemaker-Le (1991a1)  9:33.3 -70:15  9:34.0 -70:29 2.86 2.73  87 12.9 74.6/263
P/Schuster (1992n)     8:16.8 +54:40  8:20.7 +54:30 2.04 1.15 146 15.0 32.0/285
P/Giclas (1992l)       3:58.7 +15:07  4:01.6 +15:15 2.14 1.43 124 15.2 27.8/ 47
Ohshita (1992a1)      18:17   +76:11 18:15   +76:12 1.58 1.10  98 14.7  183/ 66
P/Ciffreo (1992s)      0:52.3 + 4:15  0:54.9 + 4:31 1.71 1.63  77 14.6 90.7/ 54
P/Howell (1992c)      18:27.9 -24:30 18:31.0 -24:28 1.47 2.36  20 12.4  124/ 89
P/Schaumasse (1992x)   3:28.7 +27:05  3:31.7 +27:15 1.34 0.55 120  9.4 57.4/  8
P/Forbes              17:38.7 -28:10 17:41.9 -28:12 1.57 2.32  31 13.8  118/ 92
Helin-Lawrenc (1992q) 23:07.3 -53:51 23:10.2 -53:34 2.15 2.66  49 13.9 14.3/114
Shoemaker (1992y)      1:42.1 +45:27  1:45.2 +45:42 2.44 2.02 103 14.4 27.4/313
P/Vaeisaelae 1 (1992u)    9:55.7 +12:00  9:58.3 +11:46 2.06 1.15 149 15.0 21.0/ 14
----------------------------- Monday, 1993 Jan. 18 ----------------------------
Helin-Lawrenc (1991l) 23:20.0 +16:26 23:22.5 +16:42 4.57 4.95  62 14.8 16.3/ 55
Tanaka-Machho (1992d)  8:12.7 +27:23  8:15.8 +27:14 3.73 2.76 172 12.4 55.6/258
P/Brewington (1992p)   9:10.5 +34:23  9:13.5 +34:11 2.77 1.83 159 12.2 38.3/272
Shoemaker-Le (1991a1)  9:27.3 -70:19  9:27.9 -70:32 2.87 2.74  88 12.9 87.4/270
P/Schuster (1992n)     8:15.4 +54:43  8:19.3 +54:33 2.05 1.16 146 15.0 31.6/283
P/Giclas (1992l)       3:59.3 +15:15  4:02.1 +15:23 2.15 1.44 123 15.3 28.5/ 48
Ohshita (1992a1)      18:36   +76:36 18:34   +76:39 1.59 1.12  98 14.8  177/ 70
P/Ciffreo (1992s)      0:54.3 + 4:36  0:56.9 + 4:52 1.71 1.64  77 14.6 91.1/ 55
P/Howell (1992c)      18:31.5 -24:29 18:34.6 -24:27 1.47 2.35  20 12.4  124/ 89
P/Schaumasse (1992x)   3:29.0 +27:28  3:32.0 +27:38 1.34 0.55 119  9.3 58.3/ 10
P/Forbes              17:42.3 -28:12 17:45.4 -28:13 1.56 2.31  32 13.7  119/ 91
Helin-Lawrenc (1992q) 23:07.9 -53:53 23:10.8 -53:37 2.14 2.66  49 13.9 15.0/114
Shoemaker (1992y)      1:41.4 +45:35  1:44.5 +45:50 2.43 2.03 102 14.4 26.5/315
P/Vaeisaelae 1 (1992u)    9:55.8 +12:08  9:58.5 +11:54 2.05 1.14 150 15.0 21.5/ 12


Used orbital elements (2000.0).
Name of comet     Perihel. T   Perih.q Eccentr Perihel   Node   Inclin   H    G
[P/] Name [Pr/Fi] Ye Mo Day      A.U.      e   Degrees Degrees Degrees Magn   -
-------------------------------------------------------------------------------
Helin-Law (1991l) 92 01 20.027 1.51772 1.00044 271.159  11.835  95.456 11.3 0.0
Tanaka-Ma (1992d) 92 04 22.688 1.26148 0.99589  65.473 300.508  79.293  6.3 2.7
P/Brewing (1992p) 92 06 07.859 1.60165 0.67150  47.879 343.750  18.057  6.5 4.0
Shoemake (1991a1) 92 07 24.507 0.83625 0.99986 145.240  49.051 113.498  8.4 2.0
P/Schuste (1992n) 92 09 06.422 1.53924 0.58952 355.733  50.602  20.134 10.0 6.0
P/Giclas (1992l)  92 09 13.092 1.84679 0.49321 276.486 112.526   7.284  9.5 6.0
Ohshita (1992a1)  92 11 01.562 0.66357 0.99054 309.979 138.352 115.114 12.5 4.0
P/Ciffreo (1992s) 93 01 23.065 1.70877 0.54317 358.034  53.709  13.089 10.0 6.0
P/Howell (1992c)  93 02 26.096 1.40914 0.55206 234.757  57.744   4.400  8.0 6.0
P/Schauma (1992x) 93 03 03.961 1.20216 0.70485  57.482  81.053  11.846  7.3  11
P/Forbes          93 03 14.632 1.44684 0.56805 310.537 334.456   7.159  9.0 6.0
Helin-Law (1992q) 93 03 15.122 2.03839 0.96521 268.857 194.666 106.846  8.5 4.0
Shoemaker (1992y) 93 03 25.663 2.31384 1.00000  54.859  55.300  65.994  9.0 4.0
P/Vaeisaelae (1992u) 93 04 29.175 1.78302 0.63471  47.385 135.077  11.596 10.0 6.0

These ephemerides should promote the observing of comets.

These ephemerides were computed by a program of Jost Jahn with an Atari ST
computer.
 
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