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Article #3704

Asteroids daily 1993 Jan. 25 - Feb. 01.

#3704
From: J.JAHN
Date: Sat, 09 Jan 1993 18:44
127 lines
9563 bytes
Daily asteroid ephemerides for the period: Monday, 1993 Jan. 25 - Feb. 01, 0 h
UT (Universal Time). Due to e-mail problems the posting of the five different
ephemerides has to be made on three days. All known asteroids are included in
the list which meet the following criteria: the minimum elongation to the sun
has to exceeds 30 degrees. and the limiting magnitude of the asteroid is
brighter than 11.0 mag.

The position are given for 1950.0 and 2000.0. The elements of the orbits are
from the latest MPC or from a more recent IAUC. A list of the used elements is
given at the end of the ephemerides.

Name of asteroid  Rect(1950)Decl Rect(2000)Decl  r    d   Elo Pha Magn MotioPos
[Number] Name      h   m    o  '  h   m    o  ' A.U. A.U.  o   o  Step  "/h  o
----------------------------- Monday, 1993 Jan. 25 ----------------------------
(3) Juno           6:03.4 + 3:33  6:06.0 + 3:32 2.13 1.27 142  17  8.2 27.5/335
(6) Hebe          10:22.5 +12:03 10:25.2 +11:47 2.64 1.73 151  10  9.6 33.4/315
(7) Iris          12:04.9 - 8:30 12:07.4 - 8:47 2.56 1.93 120  20 10.0 6.83/198
(10) Hygiea        7:30.9 +20:39  7:33.9 +20:33 3.31 2.34 167   4 10.2 29.4/275
(18) Melpomene     7:03.3 +12:07  7:06.1 +12:03 2.24 1.29 159   9  9.4 37.6/303
(29) Amphitrite   14:14.2 -15:44 14:17.0 -15:58 2.68 2.53  88  22 11.0 34.6/118
(39) Laetitia      3:04.9 + 4:48  3:07.6 + 4:59 2.60 2.23 101  22 11.0 29.6/ 53
(116) Sirona       7:54.3 +25:51  7:57.4 +25:42 2.45 1.48 170   4 11.0 33.8/284
(349) Dembowska    4:02.8 +29:03  4:05.9 +29:11 2.80 2.18 120  18 10.6 5.95/109
---------------------------- Tuesday, 1993 Jan. 26 ----------------------------
(3) Juno           6:03.1 + 3:43  6:05.7 + 3:42 2.13 1.28 141  17  8.2 27.2/337
(6) Hebe          10:21.9 +12:12 10:24.5 +11:57 2.64 1.73 153  10  9.6 34.1/315
(7) Iris          12:04.8 - 8:32 12:07.3 - 8:49 2.56 1.92 121  19  9.9 6.80/208
(10) Hygiea        7:30.1 +20:40  7:33.0 +20:34 3.31 2.35 166   4 10.3 29.1/275
(18) Melpomene     7:02.4 +12:15  7:05.2 +12:11 2.24 1.30 158  10  9.4 36.9/304
(29) Amphitrite   14:15.1 -15:50 14:17.8 -16:04 2.68 2.52  89  22 11.0 33.9/118
(39) Laetitia      3:05.6 + 4:55  3:08.2 + 5:06 2.60 2.24 100  22 11.0 30.3/ 53
(349) Dembowska    4:03.0 +29:02  4:06.1 +29:10 2.80 2.19 119  18 10.6 6.80/105
--------------------------- Wednesday, 1993 Jan. 27 ---------------------------
(3) Juno           6:02.8 + 3:53  6:05.4 + 3:52 2.14 1.29 140  17  8.3 26.9/340
(6) Hebe          10:21.2 +12:22 10:23.9 +12:07 2.64 1.72 154   9  9.6 34.9/314
(7) Iris          12:04.7 - 8:35 12:07.2 - 8:52 2.57 1.91 122  19  9.9 6.94/217
(10) Hygiea        7:29.3 +20:41  7:32.2 +20:35 3.31 2.35 164   5 10.3 28.8/275
(18) Melpomene     7:01.6 +12:23  7:04.4 +12:19 2.24 1.31 157  10  9.4 36.1/305
(29) Amphitrite   14:15.9 -15:57 14:18.6 -16:11 2.68 2.50  89  22 11.0 33.3/118
(349) Dembowska    4:03.2 +29:02  4:06.3 +29:10 2.80 2.21 118  18 10.6 7.66/102
---------------------------- Thursday, 1993 Jan. 28 ---------------------------
(3) Juno           6:02.5 + 4:03  6:05.2 + 4:03 2.14 1.29 139  18  8.3 26.7/342
(6) Hebe          10:20.5 +12:32 10:23.2 +12:16 2.65 1.72 155   9  9.5 35.6/314
(7) Iris          12:04.6 - 8:37 12:07.1 - 8:54 2.57 1.90 123  19  9.9 7.26/225
(10) Hygiea        7:28.5 +20:42  7:31.4 +20:36 3.31 2.35 163   5 10.3 28.4/275
(18) Melpomene     7:00.8 +12:32  7:03.6 +12:27 2.25 1.31 156  10  9.4 35.2/306
(29) Amphitrite   14:16.7 -16:03 14:19.4 -16:17 2.68 2.49  90  22 11.0 32.7/119
(349) Dembowska    4:03.4 +29:01  4:06.6 +29:09 2.80 2.22 117  18 10.6 8.53/100
----------------------------- Friday, 1993 Jan. 29 ----------------------------
(3) Juno           6:02.3 + 4:13  6:05.0 + 4:13 2.14 1.30 138  18  8.3 26.5/345
(6) Hebe          10:19.8 +12:41 10:22.5 +12:26 2.65 1.72 156   9  9.5 36.3/313
(7) Iris          12:04.4 - 8:39 12:07.0 - 8:56 2.57 1.89 124  19  9.9 7.72/233
(10) Hygiea        7:27.7 +20:43  7:30.6 +20:37 3.31 2.36 162   5 10.3 28.0/275
(18) Melpomene     7:00.0 +12:40  7:02.8 +12:35 2.25 1.32 154  11  9.5 34.4/307
(29) Amphitrite   14:17.5 -16:09 14:20.2 -16:23 2.68 2.48  91  22 10.9 32.0/119
(349) Dembowska    4:03.7 +29:00  4:06.8 +29:09 2.81 2.23 116  18 10.6 9.40/ 98
---------------------------- Saturday, 1993 Jan. 30 ---------------------------
(3) Juno           6:02.2 + 4:23  6:04.8 + 4:23 2.14 1.31 137  18  8.3 26.3/347
(6) Hebe          10:19.1 +12:51 10:21.7 +12:36 2.65 1.71 157   8  9.5 37.0/313
(7) Iris          12:04.2 - 8:41 12:06.8 - 8:57 2.57 1.88 125  18  9.9 8.31/240
(10) Hygiea        7:26.9 +20:44  7:29.8 +20:38 3.31 2.36 161   6 10.3 27.5/275
(18) Melpomene     6:59.3 +12:48  7:02.1 +12:43 2.25 1.33 153  11  9.5 33.5/308
(29) Amphitrite   14:18.2 -16:16 14:21.0 -16:29 2.68 2.46  92  22 10.9 31.4/119
(349) Dembowska    4:04.0 +28:60  4:07.1 +29:08 2.81 2.25 115  19 10.6 10.3/ 97
----------------------------- Sunday, 1993 Jan. 31 ----------------------------
(3) Juno           6:02.0 + 4:33  6:04.7 + 4:33 2.14 1.32 136  18  8.3 26.1/350
(6) Hebe          10:18.3 +13:01 10:21.0 +12:46 2.65 1.71 159   8  9.5 37.6/312
(7) Iris          12:04.0 - 8:42 12:06.6 - 8:59 2.58 1.87 126  18  9.9 8.99/246
(10) Hygiea        7:26.1 +20:45  7:29.0 +20:39 3.30 2.36 160   6 10.4 27.1/275
(18) Melpomene     6:58.6 +12:56  7:01.4 +12:52 2.25 1.33 152  12  9.5 32.6/309
(29) Amphitrite   14:19.0 -16:22 14:21.7 -16:35 2.68 2.45  93  22 10.9 30.7/119
(349) Dembowska    4:04.3 +28:60  4:07.4 +29:08 2.81 2.26 114  19 10.7 11.1/ 96
----------------------------- Monday, 1993 Feb. 01 ----------------------------
(3) Juno           6:01.9 + 4:44  6:04.6 + 4:44 2.15 1.33 136  19  8.4 26.0/353
(6) Hebe          10:17.5 +13:12 10:20.2 +12:56 2.65 1.71 160   7  9.5 38.2/312
(7) Iris          12:03.8 - 8:44 12:06.3 - 9:00 2.58 1.86 127  18  9.8 9.75/251
(10) Hygiea        7:25.3 +20:46  7:28.3 +20:40 3.30 2.37 158   6 10.4 26.6/275
(18) Melpomene     6:57.9 +13:04  7:00.7 +12:60 2.26 1.34 151  12  9.6 31.7/310
(29) Amphitrite   14:19.7 -16:28 14:22.5 -16:41 2.68 2.44  93  22 10.9 30.0/120
(349) Dembowska    4:04.7 +28:59  4:07.8 +29:07 2.81 2.27 113  19 10.7 12.0/ 95


Used orbital elements (2000.0).
Name of asteroid JDate    M    Halfax. Eccentr Perihel   Node  Inclin   H     G
[Number] Name   YeMoDa Degrees   A.U.      e   Degrees Degrees Degree Magn    -
-------------------------------------------------------------------------------
(3) Juno        920627 341.381 2.66945 0.25712 246.776 170.530 12.992  5.3 0.32
(6) Hebe        920627  50.414 2.42479 0.20174 238.429 139.030 14.782  5.7 0.24
(7) Iris        920627  39.658 2.38614 0.22888 144.740 260.090  5.513  5.5 0.15
(10) Hygiea     920627 210.768 3.13479 0.12072 315.688 283.820  3.841  5.4 0.15
(18) Melpomene  920627  10.930 2.29546 0.21834 227.316 150.702 10.137  6.5 0.25
(29) Amphitrite 920627  78.652 2.55523 0.07161  63.476 356.625  6.111  5.8 0.20
(39) Laetitia   920627   6.176 2.76849 0.11429 207.988 157.411 10.369  6.1 0.15
(116) Sirona    901105 156.993 2.76961 0.13841  94.256  64.120  3.572  7.8 0.15
(349) Dembowska 920627  15.938 2.92438 0.08970 343.489  32.807  8.264  5.9 0.37

The name is the same as in the ephemerides, but a littlebit shorter. 'JDate' is
the Julian Date yymmdd for the anomaly M in degrees. 'Halfax.' is the great
half axis a in astronomical units. 'Eccentr e' is the eccentricity of the
orbit. 'Perihel', 'Node' and 'Inclin.' are these three orbit angles in degrees.
H is the magnitude of the object in 1 A.U. from the sun and the earth, G is the
factor in the calculation of the objects brightness, which is too complicate to
list here (see textbooks). These orbital element list is only for an overview,
which orbit I used. For well-known objects the accuracy of the published
original elements may be some digits better than given here.


Explanations of the columns in the ephemerides:
Name of object    The name of the object. A (number) before the name of the
                  object means a numbered asteroid with this number.
Rect(1950)Decl    The rectascension in hours and time minutes and the
                  declination in degrees and arc minutes for 1950.0.
Rect(2000)Decl    The rectascension in hours and time minutes and the
                  declination in degrees and arc minutes for 2000.0.
r                 The distance of the asteroid to the sun in A.U.
d                 The distance of the asteroid to the earth in A.U.
Elo               The elongation of the asteroid to the sun in degrees.
Pha               The phase angle of the asteroid to the sun in degrees.
Magn              The magnitude of the asteroid in magnitude steps.
MotioPos          The motion of the asteroid in arc seconds/hour and the
                  position angle of the motion (from north, over east, south
                  and west back to north, 0..360 degrees).

These ephemerides should promote the observing of asteroids.

These ephemerides were computed by a program of Jost Jahn with an Atari ST
computer.
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From: J.JAHN@ABBS.zer.sub.org
Newsgroups: sci.astro
Distribution: world
Subject: Asteroids daily 1993 Jan. 25 - Feb. 01.
Date: 9 Jan 93 19:44:00 +0100
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