IOTA/IOTA-ES occultation update for
(639) Latona / TYC 1364-01587-1 on January 27/28, 2004
visible from China, Khazachstan, S Russia, Ukraine, N Hungary,
S Slovakia, Austria, S Germany, N Switzerland and middle France
Summary
In the night of January 27/28, 2004 a faint 11.6 mag star TYC 1364-01587-1 will be occulted by a 75 km asteroid (639) Latona. This update is based on USNO/Flagstaff astrometry for the asteroid and UCAC2 star position.
The updated path shows ~6 path widths south shift with time 0.9 minutes later compared to Edwin Goffin's nominal prediction.
Updated path runs over China 2057-20:59 UT, Khazachstan around 21.00 UT, S Russia ~21:02 UT, Ukraine around 21:03.3 UT, N Hungary ~21:04.2 UT, S Slovakia ~21:04.5 UT, Austria ~21:40.8 UT, S Germany ~21:05.1 UT, N Switzerland ~21:005.4 UT and middle France ~21:05.8 UT. Please check the path chart for details.
Here is current station list for European cities.
Clear sky and good luck !!!
The event at one glimpse:
* date and approx. UT time of event: January 27, 2004 @ 21:05 UT (Europe)
* magnitude of target star: 11.6
* magnitude drop [mag]: 1.7
* estimated maximum duration [s]: 5.6
* approx. V mag of minor planet at event [mag]: 13.0
* geocentric parallax of minor planet ["]: 3.921
* apparent motion of minor planet ["/h]: 29.42
* angular distance to moon, phase of moon [deg,%]: 89, 37%
* Goffin's original chart reference: A04_0142
The occultation path with path maps:
* approximate ground width [km]: 90
* uncertainty [path widths]: 1.0
* uncertainty in time [s]: 7
* map: Overview
Asian part
European part
* remarks: Path uncertainties [1 sigmas] are given according to nominal star
position errors and expected asteroid positional accuracy.
Elements for WinOccult - use 'Save as ...' to download and save these elements.
Finding charts (prepared in GUIDE8):
* occulted star is in center - labeled with cross
* labeled stars have indicated SAO numbers
* square box shows 30' field in all wider field charts
* remarks:
Target star is in southeast Gemini, about 4.1 degrees southeast of 3.5 mag star delta Deminorum = SAO 79294.
!!! IMPORTANT !!!
Purple stars in identification chart are so called 'non-star' objects in GSC; in dense fields
the 'non-stars' are often real stars or blends of close pairs. Be careful about this.
20-degree chart
3-degree chart
0.5-degree chart
Data for the target star:
* name: TYC 1364-01587-1
* constellation: Gemini
* J2000 position [h,m,s; o,',"]: 07h 29m 27.5816s; +18o 29' 45.286"
* position source: UCAC2
* estimated accuracy ["]: 0.03" (0.02", 0.02")
* V mag [mag]: 11.57
* B-V [mag]: +0.65
* remarks:
Data for the minor planet:
* general information:
number, name: (639) Latona
approx. diameter [km]: 75
* orbital information
orbit source: calculation Manek
source of used astrometry: USNO/Flagstaff (Ron Stone)
number of used observations: 110 USNO
number of rejected observations: 0
time covered by the observations: 1997 10 17 - 2004 01 10
rms residuals ["] (RA,DE): 0.10", 0.10"
estimated positional accuracy at epoch of event ["]: 0.06", 0.04"
remarks:
Calculator(s): Jan Manek
Path coordinates:
Centre Star Star Sun Path Limits Error Limits
E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4
...................................... shortened .............................................
o ' " o ' " h m s o o o o ' " o ' " o ' " o ' "
Latitude Latitude Latitude Latitude
120 0 0 31 34 1 20 56 33 11 285 -25 31 59 2 31 9 7 32 46 21 30 22 36
118 0 0 32 13 53 20 56 36 13 284 -27 32 38 53 31 49 0 33 26 12 31 2 29
116 0 0 32 53 22 20 56 40 15 283 -29 33 18 22 32 28 29 34 5 39 31 41 59
114 0 0 33 32 24 20 56 45 16 282 -31 33 57 23 33 7 32 34 44 39 32 21 4
112 0 0 34 10 57 20 56 50 18 280 -32 34 35 55 33 46 6 35 23 9 32 59 40
110 0 0 34 48 58 20 56 56 20 279 -34 35 13 54 34 24 8 36 1 5 33 37 44
108 0 0 35 26 23 20 57 1 21 278 -35 35 51 18 35 1 34 36 38 26 34 15 13
106 0 0 36 3 11 20 57 8 23 277 -37 36 28 4 35 38 24 37 15 9 34 52 6
104 0 0 36 39 18 20 57 14 25 275 -39 37 4 9 36 14 33 37 51 11 35 28 19
102 0 0 37 14 43 20 57 21 26 274 -40 37 39 32 36 50 1 38 26 30 36 3 50
100 0 0 37 49 24 20 57 29 28 272 -42 38 14 11 37 24 44 39 1 4 36 38 37
98 0 0 38 23 19 20 57 36 30 271 -43 38 48 3 37 58 41 39 34 51 37 12 39
96 0 0 38 56 25 20 57 44 31 269 -44 39 21 7 38 31 50 40 7 50 37 45 52
94 0 0 39 28 42 20 57 53 33 268 -46 39 53 21 39 4 9 40 39 59 38 18 17
92 0 0 40 0 7 20 58 1 34 266 -47 40 24 43 39 35 38 41 11 16 38 49 51
90 0 0 40 30 41 20 58 10 36 265 -48 40 55 14 40 6 14 41 41 40 39 20 32
88 0 0 41 0 20 20 58 19 37 263 -50 41 24 50 40 35 56 42 11 11 39 50 20
86 0 0 41 29 5 20 58 28 38 261 -51 41 53 32 41 4 44 42 39 46 40 19 14
84 0 0 41 56 54 20 58 37 40 259 -52 42 21 18 41 32 37 43 7 26 40 47 12
82 0 0 42 23 47 20 58 47 41 257 -53 42 48 7 41 59 33 43 34 9 41 14 14
80 0 0 42 49 42 20 58 57 42 255 -54 43 13 59 42 25 31 43 59 56 41 40 19
78 0 0 43 14 40 20 59 6 44 253 -55 43 38 54 42 50 33 44 24 44 42 5 27
76 0 0 43 38 40 20 59 16 45 251 -56 44 2 50 43 14 36 44 48 34 42 29 36
74 0 0 44 1 41 20 59 26 46 249 -57 44 25 48 43 37 40 45 11 25 42 52 46
72 0 0 44 23 43 20 59 37 47 246 -57 44 47 47 43 59 45 45 33 18 43 14 57
70 0 0 44 44 46 20 59 47 48 244 -58 45 8 47 44 20 51 45 54 11 43 36 9
68 0 0 45 4 50 20 59 57 49 242 -59 45 28 47 44 40 58 46 14 5 43 56 22
66 0 0 45 23 54 21 0 8 50 239 -59 45 47 48 45 0 5 46 33 0 44 15 34
64 0 0 45 41 58 21 0 18 51 236 -60 46 5 49 45 18 12 46 50 56 44 33 47
62 0 0 45 59 2 21 0 29 52 234 -60 46 22 51 45 35 20 47 7 52 44 51 0
60 0 0 46 15 7 21 0 39 53 231 -60 46 38 53 45 51 27 47 23 48 45 7 13
58 0 0 46 30 12 21 0 50 54 228 -61 46 53 55 46 6 35 47 38 46 45 22 25
56 0 0 46 44 18 21 1 1 55 225 -61 47 7 58 46 20 43 47 52 44 45 36 38
54 0 0 46 57 24 21 1 12 56 222 -61 47 21 1 46 33 51 48 5 42 45 49 51
52 0 0 47 9 30 21 1 22 56 219 -61 47 33 5 46 46 0 48 17 42 46 2 4
50 0 0 47 20 37 21 1 33 57 216 -61 47 44 10 46 57 9 48 28 43 46 13 17
48 0 0 47 30 45 21 1 44 58 212 -61 47 54 16 47 7 19 48 38 45 46 23 30
46 0 0 47 39 53 21 1 55 58 209 -61 48 3 23 47 16 29 48 47 48 46 32 43
45 0 0 47 44 5 21 2 0 58 207 -61 48 7 34 47 20 42 48 51 58 46 36 58
44 0 0 47 48 3 21 2 6 59 206 -61 48 11 31 47 24 40 48 55 53 46 40 57
43 0 0 47 51 45 21 2 11 59 204 -60 48 15 12 47 28 23 48 59 33 46 44 42
42 0 0 47 55 13 21 2 17 59 202 -60 48 18 40 47 31 52 49 2 59 46 48 12
41 0 0 47 58 26 21 2 22 59 200 -60 48 21 52 47 35 6 49 6 10 46 51 27
40 0 0 48 1 25 21 2 28 59 198 -60 48 24 50 47 38 5 49 9 7 46 54 27
39 0 0 48 4 8 21 2 33 60 197 -60 48 27 33 47 40 49 49 11 49 46 57 12
38 0 0 48 6 37 21 2 39 60 195 -59 48 30 2 47 43 19 49 14 17 46 59 43
37 0 0 48 8 52 21 2 44 60 193 -59 48 32 16 47 45 33 49 16 30 47 1 58
36 0 0 48 10 51 21 2 49 60 191 -59 48 34 15 47 47 33 49 18 28 47 3 59
35 0 0 48 12 37 21 2 55 60 189 -59 48 36 0 47 49 19 49 20 12 47 5 45
34 0 0 48 14 7 21 3 0 60 187 -58 48 37 30 47 50 50 49 21 42 47 7 17
33 0 0 48 15 23 21 3 6 60 185 -58 48 38 45 47 52 6 49 22 57 47 8 33
32 0 0 48 16 24 21 3 11 60 184 -58 48 39 46 47 53 7 49 23 57 47 9 35
31 0 0 48 17 10 21 3 17 60 182 -57 48 40 32 47 53 53 49 24 43 47 10 22
30 0 0 48 17 42 21 3 22 60 180 -57 48 41 4 47 54 25 49 25 14 47 10 54
29 0 0 48 17 59 21 3 28 60 178 -57 48 41 21 47 54 43 49 25 31 47 11 11
28 0 0 48 18 2 21 3 33 60 176 -56 48 41 23 47 54 45 49 25 34 47 11 14
27 0 0 48 17 49 21 3 39 60 174 -56 48 41 11 47 54 33 49 25 22 47 11 1
26 0 0 48 17 23 21 3 44 60 172 -56 48 40 45 47 54 6 49 24 55 47 10 34
25 0 0 48 16 41 21 3 49 60 170 -55 48 40 3 47 53 25 49 24 14 47 9 53
24 0 0 48 15 45 21 3 55 60 169 -55 48 39 8 47 52 28 49 23 19 47 8 56
23 0 0 48 14 35 21 4 0 60 167 -54 48 37 57 47 51 17 49 22 9 47 7 45
22 0 0 48 13 9 21 4 6 60 165 -54 48 36 32 47 49 52 49 20 44 47 6 19
21 0 0 48 11 29 21 4 11 59 163 -53 48 34 52 47 48 11 49 19 5 47 4 38
20 0 0 48 9 35 21 4 17 59 161 -53 48 32 58 47 46 16 49 17 12 47 2 42
19 0 0 48 7 25 21 4 22 59 160 -53 48 30 49 47 44 7 49 15 4 47 0 31
18 0 0 48 5 1 21 4 27 59 158 -52 48 28 26 47 41 42 49 12 41 46 58 6
17 0 0 48 2 23 21 4 33 59 156 -52 48 25 48 47 39 3 49 10 4 46 55 26
16 0 0 47 59 29 21 4 38 58 154 -51 48 22 55 47 36 9 49 7 12 46 52 31
15 0 0 47 56 21 21 4 44 58 153 -51 48 19 47 47 33 0 49 4 6 46 49 21
14 0 0 47 52 58 21 4 49 58 151 -50 48 16 25 47 29 37 49 0 45 46 45 56
13 0 0 47 49 21 21 4 54 58 149 -50 48 12 48 47 25 58 48 57 10 46 42 16
12 0 0 47 45 28 21 5 0 57 147 -49 48 8 57 47 22 5 48 53 20 46 38 22
11 0 0 47 41 21 21 5 5 57 146 -49 48 4 50 47 17 57 48 49 15 46 34 12
10 0 0 47 36 59 21 5 11 57 144 -48 48 0 29 47 13 35 48 44 56 46 29 48
9 0 0 47 32 23 21 5 16 56 143 -48 47 55 54 47 8 57 48 40 21 46 25 9
8 0 0 47 27 31 21 5 21 56 141 -47 47 51 3 47 4 5 48 35 33 46 20 15
7 0 0 47 22 25 21 5 27 56 139 -47 47 45 58 46 58 57 48 30 29 46 15 6
6 0 0 47 17 4 21 5 32 55 138 -46 47 40 38 46 53 35 48 25 11 46 9 42
5 0 0 47 11 28 21 5 37 55 136 -45 47 35 3 46 47 58 48 19 38 46 4 3
4 0 0 47 5 37 21 5 43 55 135 -45 47 29 13 46 42 6 48 13 51 45 58 9
3 0 0 46 59 31 21 5 48 54 133 -44 47 23 8 46 35 59 48 7 48 45 52 0
2 0 0 46 53 10 21 5 53 54 132 -44 47 16 49 46 29 37 48 1 31 45 45 36
1 0 0 46 46 35 21 5 58 53 131 -43 47 10 14 46 23 1 47 54 59 45 38 57
0 0 0 46 39 44 21 6 4 53 129 -43 47 3 25 46 16 9 47 48 12 45 32 3
- 1 0 0 46 32 39 21 6 9 52 128 -42 46 56 21 46 9 2 47 41 11 45 24 54
- 2 0 0 46 25 19 21 6 14 52 126 -41 46 49 2 46 1 41 47 33 54 45 17 30
- 3 0 0 46 17 43 21 6 19 52 125 -41 46 41 28 45 54 4 47 26 23 45 9 51
- 4 0 0 46 9 53 21 6 25 51 124 -40 46 33 40 45 46 13 47 18 37 45 1 57
- 5 0 0 46 1 48 21 6 30 51 122 -40 46 25 36 45 38 6 47 10 36 44 53 47
- 6 0 0 45 53 28 21 6 35 50 121 -39 46 17 17 45 29 45 47 2 20 44 45 23
- 7 0 0 45 44 53 21 6 40 50 120 -38 46 8 44 45 21 8 46 53 49 44 36 44
- 8 0 0 45 36 3 21 6 45 49 119 -38 45 59 55 45 12 17 46 45 3 44 27 50
- 9 0 0 45 26 58 21 6 50 48 117 -37 45 50 52 45 3 10 46 36 3 44 18 41
- 10 0 0 45 17 38 21 6 55 48 116 -36 45 41 33 44 53 49 46 26 47 44 9 16
- 11 0 0 45 8 3 21 7 0 47 115 -36 45 32 0 44 44 12 46 17 17 43 59 37
- 12 0 0 44 58 13 21 7 5 47 114 -35 45 22 12 44 34 21 46 7 32 43 49 43
- 13 0 0 44 48 9 21 7 10 46 113 -34 45 12 9 44 24 15 45 57 32 43 39 34
...................................... shortened .............................................
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Jan Manek
Stefanik Observatory Private :
Petrin 205 Werichova 950
118 46 Praha 1 152 00 Praha 5 - Barrandov |_|_|
Czech Republic Czech Republic / \
Internet : jan.manek AT worldonline.cz |-O-O-|
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