From: j.jahn@abbs.hanse.de (Jost Jahn)
Newsgroups: sci.astro
Subject: Comets daily 1992 Sep. 07 - 14.
Reply-To: j.jahn@abbs.hanse.de
Date: 30 Aug 92 17:17:00 MESZ
Distribution: sci
Organization: ABBS AstroMail, D-W 2121 Dahlenburg / Germany
X-Version: ZerUU V6.45c

Daily comet ephemerides for the period: Monday, 1992 Sep. 07 - 14, 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, 1992 Sep. 07 ----------------------------
Shoemaker-Lev (1991d) 19:50.3 +19:24 19:52.5 +19:32 3.54 2.85 126 13.2 58.1/190
Helin-Lawrenc (1991l)  1:07.2 +15:20  1:09.8 +15:36 3.29 2.44 142 13.2 68.0/280
Zanotta-Brew (1991g1) 13:43.7 -34:03 13:46.6 -34:18 3.47 3.93  56 14.1 43.2/ 89
Tanaka-Machho (1992d)  9:18.9 +38:37  9:22.0 +38:24 2.32 3.01  40 10.3 39.6/137
Machholz (1992k)       8:24.7 -12:57  8:27.1 -13:07 1.33 1.87  43 11.6  130/137
P/Grigg-Skjellerup    14:38.5 - 1:07 14:41.1 - 1:19 1.18 1.43  55 15.4  165/ 98
Shoemaker-Le (1991a1) 12:12.0 -18:36 12:14.6 -18:52 1.16 1.92  30 10.1 89.8/180
P/Shoemak (1984XVIII)  5:39.0 +15:53  5:41.9 +15:54 1.38 1.15  79 15.4  101/ 62
P/Schuster (1978I)     5:43.1 +21:54  5:46.1 +21:55 1.54 1.39  78 13.5  104/ 68
P/Giclas (1992l)       3:49.2 + 9:20  3:51.9 + 9:29 1.85 1.29 107 14.0 54.7/ 87
P/Ciffreo              0:01.5 -24:10  0:04.1 -23:54 2.14 1.17 157 15.3 27.4/244
P/Ashbrook-Ja (1992j) 16:15.4 -34:13 16:18.7 -34:20 3.08 3.02  84 14.7 30.3/ 84
---------------------------- Tuesday, 1992 Sep. 08 ----------------------------
Shoemaker-Lev (1991d) 19:50.0 +19:01 19:52.3 +19:09 3.55 2.86 126 13.2 57.7/190
Helin-Lawrenc (1991l)  1:05.3 +15:24  1:08.0 +15:40 3.30 2.44 143 13.2 67.6/279
Zanotta-Brew (1991g1) 13:45.0 -34:03 13:47.9 -34:18 3.48 3.96  55 14.1 44.9/ 89
Tanaka-Machho (1992d)  9:19.8 +38:25  9:22.9 +38:13 2.34 3.01  40 10.3 39.0/137
Machholz (1992k)       8:27.1 -13:34  8:29.5 -13:44 1.34 1.87  44 11.6  128/137
P/Grigg-Skjellerup    14:42.9 - 1:16 14:45.5 - 1:28 1.19 1.44  55 15.4  164/ 98
Shoemaker-Le (1991a1) 12:12.2 -19:08 12:14.8 -19:25 1.18 1.93  30 10.1 88.5/180
P/Shoemak (1984XVIII)  5:41.5 +16:12  5:44.4 +16:13 1.38 1.15  80 15.4 99.9/ 62
P/Schuster (1978I)     5:45.8 +22:10  5:48.9 +22:11 1.54 1.39  78 13.5  104/ 68
P/Giclas (1992l)       3:50.6 + 9:21  3:53.4 + 9:30 1.85 1.28 107 14.0 53.8/ 87
P/Ciffreo              0:00.8 -24:15  0:03.4 -23:59 2.13 1.17 157 15.3 27.9/245
P/Ashbrook-Ja (1992j) 16:16.4 -34:11 16:19.7 -34:19 3.08 3.03  83 14.7 30.9/ 85
--------------------------- Wednesday, 1992 Sep. 09 ---------------------------
Shoemaker-Lev (1991d) 19:49.8 +18:38 19:52.0 +18:46 3.56 2.88 125 13.2 57.2/189
Helin-Lawrenc (1991l)  1:03.5 +15:28  1:06.1 +15:44 3.31 2.44 145 13.2 68.6/279
Zanotta-Brew (1991g1) 13:46.4 -34:03 13:49.3 -34:18 3.49 3.98  54 14.1 40.7/ 89
Tanaka-Machho (1992d)  9:20.7 +38:14  9:23.8 +38:01 2.35 3.01  41 10.3 38.5/138
Machholz (1992k)       8:29.5 -14:12  8:31.8 -14:22 1.35 1.88  44 11.7  127/137
P/Grigg-Skjellerup    14:47.2 - 1:25 14:49.8 - 1:38 1.20 1.45  55 15.5  163/ 98
Shoemaker-Le (1991a1) 12:12.3 -19:41 12:14.9 -19:58 1.19 1.95  30 10.2 86.8/180
P/Shoemak (1984XVIII)  5:43.9 +16:31  5:46.8 +16:32 1.39 1.14  80 15.4 99.1/ 62
P/Schuster (1978I)     5:48.6 +22:25  5:51.6 +22:26 1.54 1.38  79 13.5  103/ 68
P/Giclas (1992l)       3:52.1 + 9:22  3:54.8 + 9:31 1.85 1.27 108 14.0 52.9/ 88
P/Ciffreo              0:00.1 -24:20  0:02.6 -24:03 2.12 1.16 157 15.2 28.3/247
P/Ashbrook-Ja (1992j) 16:17.4 -34:10 16:20.7 -34:18 3.08 3.04  83 14.7 31.4/ 85
---------------------------- Thursday, 1992 Sep. 10 ---------------------------
Shoemaker-Lev (1991d) 19:49.5 +18:16 19:51.8 +18:24 3.56 2.89 125 13.2 56.9/188
Helin-Lawrenc (1991l)  1:01.6 +15:32  1:04.2 +15:48 3.32 2.44 146 13.2 68.3/278
Zanotta-Brew (1991g1) 13:47.7 -34:02 13:50.6 -34:17 3.50 4.00  54 14.2 42.3/ 89
Tanaka-Machho (1992d)  9:21.5 +38:03  9:24.7 +37:50 2.36 3.02  41 10.3 37.9/138
Machholz (1992k)       8:31.9 -14:49  8:34.2 -14:59 1.37 1.89  44 11.7  126/137
Shoemaker-Le (1991a1) 12:12.6 -20:12 12:15.2 -20:29 1.20 1.97  29 10.2 85.4/180
P/Shoemak (1984XVIII)  5:46.3 +16:50  5:49.2 +16:51 1.39 1.14  80 15.4 98.4/ 62
P/Schuster (1978I)     5:51.4 +22:41  5:54.4 +22:41 1.54 1.37  79 13.5  103/ 68
P/Giclas (1992l)       3:53.5 + 9:23  3:56.2 + 9:31 1.85 1.26 108 14.0 52.0/ 88
P/Ciffreo             23:59.3 -24:24  0:01.9 -24:08 2.12 1.15 158 15.2 28.7/248
P/Howell (1992c)      12:44.4 - 2:49 12:47.0 - 3:06 2.18 3.05  24 15.5 72.9/115
P/Ashbrook-Ja (1992j) 16:18.4 -34:09 16:21.7 -34:16 3.07 3.05  82 14.7 32.0/ 85
----------------------------- Friday, 1992 Sep. 11 ----------------------------
Shoemaker-Lev (1991d) 19:49.3 +17:53 19:51.5 +18:01 3.57 2.91 124 13.2 56.5/187
Helin-Lawrenc (1991l)  0:59.7 +15:36  1:02.3 +15:52 3.33 2.44 147 13.2 68.2/277
Zanotta-Brew (1991g1) 13:49.1 -34:02 13:52.0 -34:17 3.51 4.03  53 14.2 38.5/ 90
Tanaka-Machho (1992d)  9:22.4 +37:52  9:25.5 +37:39 2.37 3.02  42 10.3 37.3/138
Machholz (1992k)       8:34.2 -15:26  8:36.5 -15:36 1.38 1.90  45 11.8  124/138
Shoemaker-Le (1991a1) 12:12.8 -20:43 12:15.4 -20:60 1.21 1.99  29 10.3 84.2/180
P/Shoemak (1984XVIII)  5:48.7 +17:08  5:51.6 +17:09 1.39 1.14  81 15.4 97.6/ 62
P/Schuster (1978I)     5:54.1 +22:56  5:57.2 +22:56 1.54 1.37  79 13.5  103/ 68
P/Giclas (1992l)       3:54.9 + 9:24  3:57.6 + 9:32 1.85 1.26 109 14.0 51.1/ 88
P/Ciffreo             23:58.5 -24:28  0:01.1 -24:12 2.11 1.15 158 15.2 29.1/250
P/Howell (1992c)      12:46.1 - 3:02 12:48.7 - 3:18 2.17 3.05  24 15.5 73.3/115
P/Ashbrook-Ja (1992j) 16:19.5 -34:08 16:22.7 -34:15 3.07 3.06  81 14.7 32.5/ 86
---------------------------- Saturday, 1992 Sep. 12 ---------------------------
Shoemaker-Lev (1991d) 19:49.1 +17:31 19:51.4 +17:39 3.58 2.92 124 13.3 56.0/187
Helin-Lawrenc (1991l)  0:57.8 +15:39  1:00.4 +15:55 3.34 2.44 148 13.2 68.4/276
Zanotta-Brew (1991g1) 13:50.4 -34:02 13:53.3 -34:17 3.53 4.05  52 14.2 40.3/ 90
Tanaka-Machho (1992d)  9:23.2 +37:41  9:26.3 +37:28 2.38 3.02  43 10.3 36.7/138
Machholz (1992k)       8:36.5 -16:02  8:38.8 -16:13 1.39 1.91  45 11.8  123/138
Shoemaker-Le (1991a1) 12:12.9 -21:15 12:15.5 -21:32 1.23 2.01  29 10.3 61.2/148
P/Shoemak (1984XVIII)  5:51.1 +17:27  5:54.0 +17:28 1.40 1.14  81 15.5 96.8/ 61
P/Schuster (1978I)     5:56.9 +23:11  5:59.9 +23:11 1.54 1.36  80 13.5  103/ 68
P/Giclas (1992l)       3:56.3 + 9:24  3:59.0 + 9:33 1.85 1.25 110 14.0 50.2/ 88
P/Ciffreo             23:57.7 -24:32  0:00.3 -24:16 2.11 1.14 158 15.2 29.5/251
P/Howell (1992c)      12:47.9 - 3:14 12:50.5 - 3:31 2.17 3.05  23 15.5 73.7/115
P/Ashbrook-Ja (1992j) 16:20.5 -34:08 16:23.8 -34:14 3.06 3.07  80 14.7 33.1/ 86
----------------------------- Sunday, 1992 Sep. 13 ----------------------------
Shoemaker-Lev (1991d) 19:48.9 +17:09 19:51.2 +17:17 3.59 2.94 123 13.3 55.4/186
Helin-Lawrenc (1991l)  0:55.9 +15:42  0:58.5 +15:59 3.35 2.44 150 13.2 69.5/277
Zanotta-Brew (1991g1) 13:51.7 -34:02 13:54.6 -34:17 3.54 4.07  52 14.2 40.3/ 90
Tanaka-Machho (1992d)  9:24.1 +37:30  9:27.2 +37:17 2.39 3.02  43 10.3 36.2/138
Machholz (1992k)       8:38.8 -16:38  8:41.1 -16:49 1.41 1.92  45 11.9  122/138
Shoemaker-Le (1991a1) 12:13.2 -21:45 12:15.8 -22:01 1.24 2.02  29 10.3 81.6/180
P/Shoemak (1984XVIII)  5:53.5 +17:46  5:56.4 +17:46 1.40 1.14  81 15.5 95.9/ 61
P/Schuster (1978I)     5:59.7 +23:27  6:02.7 +23:26 1.54 1.36  80 13.5  102/ 68
P/Giclas (1992l)       3:57.6 + 9:25  4:00.3 + 9:33 1.85 1.24 110 14.0 49.2/ 89
P/Ciffreo             23:56.9 -24:36 23:59.4 -24:19 2.10 1.14 158 15.1 29.8/253
P/Howell (1992c)      12:49.7 - 3:27 12:52.3 - 3:43 2.16 3.05  23 15.4 74.0/115
P/Ashbrook-Ja (1992j) 16:21.6 -34:07 16:24.9 -34:13 3.06 3.08  80 14.7 33.6/ 86
----------------------------- Monday, 1992 Sep. 14 ----------------------------
Shoemaker-Lev (1991d) 19:48.8 +16:47 19:51.0 +16:55 3.60 2.95 123 13.3 55.0/185
Helin-Lawrenc (1991l)  0:54.0 +15:46  0:56.6 +16:02 3.36 2.45 151 13.2 69.3/276
Zanotta-Brew (1991g1) 13:53.1 -34:02 13:56.0 -34:17 3.55 4.09  51 14.2 43.0/ 90
Tanaka-Machho (1992d)  9:24.9 +37:19  9:28.0 +37:06 2.40 3.02  44 10.3 35.6/138
Machholz (1992k)       8:41.1 -17:14  8:43.4 -17:25 1.42 1.92  46 11.9  121/138
Shoemaker-Le (1991a1) 12:13.4 -22:14 12:16.0 -22:31 1.25 2.04  28 10.4 80.5/180
P/Shoemak (1984XVIII)  5:55.8 +18:04  5:58.7 +18:05 1.40 1.13  82 15.5 95.1/ 61
P/Schuster (1978I)     6:02.4 +23:42  6:05.5 +23:41 1.54 1.35  80 13.5  102/ 68
P/Giclas (1992l)       3:58.9 + 9:25  4:01.7 + 9:34 1.85 1.23 111 13.9 48.3/ 89
P/Ciffreo             23:56.0 -24:39 23:58.6 -24:23 2.10 1.13 158 15.1 30.2/254
P/Howell (1992c)      12:51.5 - 3:39 12:54.1 - 3:56 2.15 3.05  22 15.4 74.4/115
P/Ashbrook-Ja (1992j) 16:22.7 -34:06 16:26.0 -34:13 3.06 3.09  79 14.7 34.1/ 86


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   -
-------------------------------------------------------------------------------
Shoemaker (1991d) 91 12 31.186 2.26499 0.99349  74.367 145.129  77.288  4.7 4.5
Helin-Law (1991l) 92 01 20.028 1.51771 1.00042 271.160  11.835  95.457 11.3 0.0
Zanotta- (1991g1) 92 01 31.991 0.64397 1.00005 197.872 254.909  50.028  9.1 1.5
Tanaka-Ma (1992d) 92 04 22.688 1.26143 0.99551  65.473 300.508  79.295  6.9 1.1
Machholz (1992k)  92 07 11.058 0.82016 1.00000 163.117 235.136  57.747  9.0 4.0
P/Grigg-Skjelleru 92 07 22.138 0.99469 0.66433 359.265 213.340  21.099 13.5 6.0
Shoemake (1991a1) 92 07 24.509 0.83631 0.99988 145.237  49.050 113.498  8.4 1.8
P/Sho (1984XVIII) 92 08 06.875 1.32710 0.66464 317.642  55.433  21.552 13.0 6.0
P/Schuste (1978I) 92 09 06.428 1.53924 0.58952 355.734  50.603  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
P/Ciffreo         93 01 22.476 1.70876 0.54311 358.041  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/Ashbroo (1992j) 93 07 14.052 2.31628 0.39491 348.690   2.666  12.501  5.0 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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