更多详细信息见：
http://www.asteroidoccultation.com/2010_02/0202_684_21941.htm
IOTA/IOTA-ES occultation update for
(684) Hildburg / TYC 1941-01920-1 event on 2010 Feb 02, 11:41 UT
Visible from Japan, China
Summary
-------
On 2010 Feb 02 UT, the 23 km diameter asteroid (684) Hildburg will occult a 8.5
mag star in the constellation Cancer for observers along a path across Japan,
China.
In the case of an occultation, the combined light of the asteroid and the star
will drop by 6.2 mag to 14.7 mag (the magnitude of the asteroid) for at most 2.0
seconds.
This update is based on UNSO/Flagstaff astrometry for the asteroid kindly
provided by Alice Monet, historical astrometry from the MPC files (via AstDys),
and the following catalogs for the star position: .
The event at a glimpse
----------------------
* Rank: 48
* date and approx. time of event: 2010 Feb 02, 11:32 - 2010 Feb 02, 11:50 UT
* magnitude of target star: 8.5
* magnitude drop [mag]: 6.2
* estimated maximum duration : 2.0
* Moon: 85 % sunlit, 56?distance
* Sun: 169?distance
* rough path description: Japan, China
The occultation path
--------------------
* approximate projected width [km]: 23
* 1 sigma uncertainty interval [path widths]: +/- 1.36
* 1 sigma uncertainty interval [seconds]: +/- 3.2
* 1 sigma uncertainty interval approx RA,DE ["]: (+/- .036 +/- .029)
* 1 sigma uncertainty ellipse (major, minor, PA): ( .037", .028", 102?)
* approx speed of asteroid's shadow [km/s]: 11.4749
* website for maps:
http://www.asteroidoccultation.com
Path Coordinates:
Occultation of TYC 1941-01920-1 by 684 Hildburg on 2010 Feb 2
Centre Star Star Sun Path Limits Error Limits
E. Longitude Latitude U.T. Alt Az Alt Limit 1 Limit 2 Limit 3 Limit 4
o ' " o ' " h m s o o o o ' " o ' " o ' " o ' "
Latitude Latitude Latitude Latitude
90 0 0 18 35 58 11 50 53 10 68 0 18 42 53 18 29 3 19 1 42 18 10 16
91 0 0 19 0 50 11 50 51 11 69 -1 19 7 44 18 53 56 19 26 32 18 35 10
92 0 0 19 25 29 11 50 49 12 69 -2 19 32 23 19 18 35 19 51 10 18 59 50
93 0 0 19 49 54 11 50 47 13 69 -3 19 56 47 19 43 0 20 15 33 19 24 17
94 0 0 20 14 4 11 50 44 14 70 -4 20 20 57 20 7 11 20 39 42 19 48 29
95 0 0 20 38 0 11 50 42 15 70 -5 20 44 53 20 31 8 21 3 36 20 12 27
96 0 0 21 1 41 11 50 39 16 70 -6 21 8 33 20 54 49 21 27 15 20 36 10
97 0 0 21 25 7 11 50 36 17 71 -7 21 31 58 21 18 15 21 50 38 20 59 37
98 0 0 21 48 16 11 50 33 18 71 -8 21 55 7 21 41 25 22 13 46 21 22 48
99 0 0 22 11 9 11 50 30 19 72 -9 22 18 0 22 4 19 22 36 37 21 45 44
100 0 0 22 33 46 11 50 27 20 72 -10 22 40 36 22 26 56 22 59 12 22 8 22
101 0 0 22 56 6 11 50 23 21 72 -11 23 2 55 22 49 17 23 21 30 22 30 44
102 0 0 23 18 9 11 50 20 22 73 -12 23 24 57 23 11 20 23 43 30 22 52 49
103 0 0 23 39 54 11 50 16 23 73 -13 23 46 42 23 33 6 24 5 13 23 14 37
104 0 0 24 1 21 11 50 12 24 74 -14 24 8 9 23 54 34 24 26 38 23 36 6
105 0 0 24 22 30 11 50 8 25 74 -15 24 29 18 24 15 44 24 47 45 23 57 18
106 0 0 24 43 22 11 50 4 26 74 -16 24 50 8 24 36 35 25 8 34 24 18 11
107 0 0 25 3 54 11 50 0 27 75 -17 25 10 40 24 57 9 25 29 5 24 38 46
108 0 0 25 24 8 11 49 55 28 75 -18 25 30 53 25 17 23 25 49 16 24 59 2
109 0 0 25 44 3 11 49 51 29 76 -19 25 50 48 25 37 19 26 9 9 25 18 59
110 0 0 26 3 39 11 49 46 30 76 -20 26 10 23 25 56 55 26 28 42 25 38 38
111 0 0 26 22 55 11 49 42 31 77 -20 26 29 39 26 16 12 26 47 56 25 57 57
112 0 0 26 41 53 11 49 37 32 77 -21 26 48 35 26 35 10 27 6 51 26 16 56
113 0 0 27 0 30 11 49 32 33 78 -22 27 7 12 26 53 48 27 25 26 26 35 36
114 0 0 27 18 48 11 49 27 34 78 -23 27 25 29 27 12 6 27 43 42 26 53 56
115 0 0 27 36 46 11 49 22 34 79 -24 27 43 26 27 30 5 28 1 37 27 11 56
116 0 0 27 54 23 11 49 17 35 79 -25 28 1 3 27 47 43 28 19 13 27 29 36
117 0 0 28 11 41 11 49 11 36 80 -26 28 18 21 28 5 2 28 36 28 27 46 56
118 0 0 28 28 39 11 49 6 37 81 -27 28 35 17 28 22 0 28 53 23 28 3 56
119 0 0 28 45 16 11 49 1 38 81 -28 28 51 54 28 38 38 29 9 58 28 20 36
120 0 0 29 1 32 11 48 55 39 82 -29 29 8 10 28 54 55 29 26 12 28 36 55
121 0 0 29 17 29 11 48 49 40 82 -29 29 24 6 29 10 52 29 42 6 28 52 53
122 0 0 29 33 5 11 48 44 41 83 -30 29 39 41 29 26 28 29 57 40 29 8 31
123 0 0 29 48 20 11 48 38 42 84 -31 29 54 56 29 41 44 30 12 53 29 23 49
124 0 0 30 3 14 11 48 32 42 84 -32 30 9 50 29 56 39 30 27 45 29 38 46
125 0 0 30 17 48 11 48 26 43 85 -33 30 24 23 30 11 14 30 42 17 29 53 22
126 0 0 30 32 2 11 48 20 44 85 -34 30 38 36 30 25 28 30 56 28 30 7 37
127 0 0 30 45 54 11 48 14 45 86 -34 30 52 27 30 39 21 31 10 18 30 21 32
128 0 0 30 59 26 11 48 8 46 87 -35 31 5 59 30 52 53 31 23 48 30 35 6
129 0 0 31 12 37 11 48 2 47 87 -36 31 19 9 31 6 5 31 36 57 30 48 19
130 0 0 31 25 27 11 47 56 48 88 -37 31 31 59 31 18 55 31 49 45 31 1 11
131 0 0 31 37 56 11 47 49 48 89 -38 31 44 27 31 31 25 32 2 12 31 13 43
132 0 0 31 50 5 11 47 43 49 90 -39 31 56 35 31 43 35 32 14 19 31 25 53
133 0 0 32 1 53 11 47 37 50 90 -39 32 8 23 31 55 23 32 26 4 31 37 43
134 0 0 32 13 20 11 47 30 51 91 -40 32 19 49 32 6 50 32 37 29 31 49 12
135 0 0 32 24 26 11 47 24 52 92 -41 32 30 55 32 17 57 32 48 34 32 0 20
136 0 0 32 35 11 11 47 17 52 93 -42 32 41 40 32 28 43 32 59 17 32 11 7
137 0 0 32 45 36 11 47 10 53 93 -43 32 52 4 32 39 8 33 9 40 32 21 34
138 0 0 32 55 40 11 47 4 54 94 -43 33 2 8 32 49 13 33 19 42 32 31 40
139 0 0 33 5 23 11 46 57 55 95 -44 33 11 50 32 58 56 33 29 24 32 41 25
140 0 0 33 14 46 11 46 50 56 96 -45 33 21 13 33 8 19 33 38 45 32 50 49
141 0 0 33 23 48 11 46 44 56 97 -46 33 30 14 33 17 22 33 47 45 32 59 52
142 0 0 33 32 29 11 46 37 57 98 -47 33 38 55 33 26 3 33 56 25 33 8 35
143 0 0 33 40 50 11 46 30 58 99 -47 33 47 15 33 34 24 34 4 44 33 16 57
144 0 0 33 48 49 11 46 23 59 100 -48 33 55 14 33 42 25 34 12 42 33 24 58
145 0 0 33 56 29 11 46 16 60 101 -49 34 2 53 33 50 4 34 20 20 33 32 39
146 0 0 34 3 48 11 46 9 60 102 -50 34 10 12 33 57 24 34 27 38 33 39 59
147 0 0 34 10 46 11 46 2 61 103 -50 34 17 10 34 4 22 34 34 35 33 46 59
148 0 0 34 17 24 11 45 55 62 104 -51 34 23 47 34 11 0 34 41 11 33 53 38
149 0 0 34 23 41 11 45 48 63 105 -52 34 30 4 34 17 18 34 47 28 33 59 57
150 0 0 34 29 38 11 45 41 63 106 -52 34 36 1 34 23 15 34 53 23 34 5 55
151 0 0 34 35 15 11 45 34 64 107 -53 34 41 37 34 28 52 34 58 59 34 11 32
152 0 0 34 40 31 11 45 26 65 109 -54 34 46 53 34 34 8 35 4 14 34 16 49
153 0 0 34 45 26 11 45 19 66 110 -55 34 51 49 34 39 4 35 9 9 34 21 46
154 0 0 34 50 2 11 45 12 66 111 -55 34 56 24 34 43 40 35 13 43 34 26 22
155 0 0 34 54 17 11 45 5 67 113 -56 35 0 39 34 47 55 35 17 58 34 30 38
156 0 0 34 58 12 11 44 57 68 114 -57 35 4 33 34 51 50 35 21 52 34 34 34
157 0 0 35 1 46 11 44 50 68 116 -57 35 8 8 34 55 25 35 25 25 34 38 9
158 0 0 35 5 0 11 44 43 69 117 -58 35 11 22 34 58 39 35 28 39 34 41 24
159 0 0 35 7 55 11 44 35 70 119 -59 35 14 16 35 1 34 35 31 33 34 44 18
160 0 0 35 10 28 11 44 28 70 121 -59 35 16 49 35 4 8 35 34 6 34 46 53
161 0 0 35 12 42 11 44 21 71 122 -60 35 19 3 35 6 21 35 36 19 34 49 7
162 0 0 35 14 36 11 44 13 72 124 -61 35 20 56 35 8 15 35 38 12 34 51 1
163 0 0 35 16 9 11 44 6 72 126 -61 35 22 29 35 9 48 35 39 45 34 52 34
164 0 0 35 17 22 11 43 58 73 129 -62 35 23 43 35 11 2 35 40 58 34 53 48
165 0 0 35 18 15 11 43 51 73 131 -63 35 24 36 35 11 55 35 41 51 34 54 41
166 0 0 35 18 48 11 43 43 74 133 -63 35 25 8 35 12 28 35 42 24 34 55 14
167 0 0 35 19 1 11 43 36 75 136 -64 35 25 21 35 12 40 35 42 37 34 55 27
168 0 0 35 18 53 11 43 28 75 139 -65 35 25 14 35 12 33 35 42 29 34 55 19
169 0 0 35 18 26 11 43 21 76 142 -65 35 24 46 35 12 6 35 42 2 34 54 52
170 0 0 35 17 38 11 43 13 76 145 -66 35 23 59 35 11 18 35 41 15 34 54 4
171 0 0 35 16 31 11 43 5 77 148 -66 35 22 51 35 10 10 35 40 7 34 52 56
172 0 0 35 15 3 11 42 58 77 151 -67 35 21 24 35 8 42 35 38 40 34 51 28
173 0 0 35 13 15 11 42 50 77 155 -67 35 19 36 35 6 54 35 36 52 34 49 40
174 0 0 35 11 7 11 42 42 78 159 -68 35 17 28 35 4 46 35 34 45 34 47 31
175 0 0 35 8 39 11 42 35 78 163 -68 35 15 0 35 2 18 35 32 17 34 45 3
176 0 0 35 5 51 11 42 27 78 167 -69 35 12 12 34 59 30 35 29 29 34 42 14
177 0 0 35 2 42 11 42 19 78 172 -69 35 9 4 34 56 21 35 26 22 34 39 5
178 0 0 34 59 14 11 42 12 79 176 -70 35 5 35 34 52 52 35 22 54 34 35 36
179 0 0 34 55 25 11 42 4 79 181 -70 35 1 47 34 49 3 35 19 6 34 31 46
180 0 0 34 51 16 11 41 56 79 185 -71 34 57 38 34 44 54 35 14 58 34 27 37
-179 0 0 34 46 47 11 41 48 79 190 -71 34 53 9 34 40 25 35 10 30 34 23 7
-178 0 0 34 41 58 11 41 41 79 195 -71 34 48 20 34 35 36 35 5 41 34 18 17
-177 0 0 34 36 49 11 41 33 78 199 -72 34 43 11 34 30 26 35 0 33 34 13 6
-176 0 0 34 31 19 11 41 25 78 204 -72 34 37 42 34 24 56 34 55 4 34 7 35
-175 0 0 34 25 29 11 41 17 78 208 -72 34 31 52 34 19 6 34 49 15 34 1 44
-174 0 0 34 19 19 11 41 10 78 212 -72 34 25 42 34 12 55 34 43 7 33 55 33
-173 0 0 34 12 48 11 41 2 77 216 -73 34 19 12 34 6 25 34 36 37 33 49 2
-172 0 0 34 5 58 11 40 54 77 219 -73 34 12 22 33 59 34 34 29 48 33 42 10
-171 0 0 33 58 47 11 40 46 76 223 -73 34 5 11 33 52 22 34 22 38 33 34 57
-170 0 0 33 51 15 11 40 38 76 226 -73 33 57 40 33 44 51 34 15 8 33 27 25
-169 0 0 33 43 24 11 40 31 76 229 -73 33 49 49 33 36 59 34 7 18 33 19 32
-168 0 0 33 35 12 11 40 23 75 232 -73 33 41 38 33 28 46 33 59 8 33 11 18
-167 0 0 33 26 39 11 40 15 74 235 -73 33 33 6 33 20 13 33 50 37 33 2 44
-166 0 0 33 17 47 11 40 7 74 238 -73 33 24 13 33 11 20 33 41 46 32 53 50
-165 0 0 33 8 34 11 39 59 73 240 -73 33 15 1 33 2 7 33 32 34 32 44 35
-164 0 0 32 59 0 11 39 51 73 242 -72 33 5 28 32 52 33 33 23 2 32 35 0
-163 0 0 32 49 6 11 39 44 72 244 -72 32 55 34 32 42 38 33 13 10 32 25 4
-162 0 0 32 38 52 11 39 36 71 246 -72 32 45 20 32 32 23 33 2 57 32 14 48
-161 0 0 32 28 17 11 39 28 71 248 -72 32 34 46 32 21 48 32 52 24 32 4 11
-160 0 0 32 17 22 11 39 20 70 250 -71 32 23 51 32 10 52 32 41 31 31 53 14
-159 0 0 32 6 6 11 39 12 69 252 -71 32 12 36 31 59 36 32 30 17 31 41 57
-158 0 0 31 54 30 11 39 5 69 253 -71 32 1 0 31 48 0 32 18 43 31 30 19
-157 0 0 31 42 34 11 38 57 68 255 -70 31 49 4 31 36 3 32 6 49 31 18 20
-156 0 0 31 30 17 11 38 49 67 257 -70 31 36 48 31 23 45 31 54 34 31 6 2
-155 0 0 31 17 39 11 38 41 66 258 -69 31 24 11 31 11 7 31 41 58 30 53 22
-154 0 0 31 4 42 11 38 34 66 259 -69 31 11 14 30 58 9 31 29 3 30 40 23
-153 0 0 30 51 24 11 38 26 65 261 -68 30 57 57 30 44 51 31 15 47 30 27 2
-152 0 0 30 37 45 11 38 18 64 262 -68 30 44 19 30 31 12 31 2 11 30 13 22
-151 0 0 30 23 47 11 38 11 63 263 -67 30 30 21 30 17 13 30 48 14 29 59 21
-150 0 0 30 9 28 11 38 3 62 264 -67 30 16 3 30 2 53 30 33 57 29 45 0
-149 0 0 29 54 49 11 37 55 62 265 -66 30 1 24 29 48 13 30 19 21 29 30 19
-148 0 0 29 39 49 11 37 48 61 266 -65 29 46 25 29 33 14 30 4 24 29 15 17
-147 0 0 29 24 30 11 37 40 60 267 -65 29 31 7 29 17 54 29 49 6 28 59 56
-146 0 0 29 8 51 11 37 33 59 268 -64 29 15 28 29 2 14 29 33 29 28 44 14
-145 0 0 28 52 51 11 37 25 58 269 -63 28 59 29 28 46 14 29 17 32 28 28 13
-144 0 0 28 36 32 11 37 18 57 270 -63 28 43 10 28 29 54 29 1 15 28 11 51
-143 0 0 28 19 53 11 37 10 57 271 -62 28 26 32 28 13 14 28 44 38 27 55 10
-142 0 0 28 2 54 11 37 3 56 272 -61 28 9 34 27 56 15 28 27 42 27 38 9
-141 0 0 27 45 36 11 36 55 55 273 -60 27 52 16 27 38 56 28 10 26 27 20 48
-140 0 0 27 27 58 11 36 48 54 273 -60 27 34 39 27 21 17 27 52 50 27 3 8
-139 0 0 27 10 1 11 36 41 53 274 -59 27 16 42 27 3 19 27 34 55 26 45 8
-138 0 0 26 51 44 11 36 34 52 275 -58 26 58 26 26 45 2 27 16 41 26 26 49
-137 0 0 26 33 8 11 36 26 51 276 -57 26 39 51 26 26 26 26 58 7 26 8 12
-136 0 0 26 14 14 11 36 19 50 276 -56 26 20 57 26 7 31 26 39 15 25 49 15
-135 0 0 25 55 1 11 36 12 50 277 -56 26 1 44 25 48 17 26 20 4 25 29 59
-134 0 0 25 35 29 11 36 5 49 278 -55 25 42 13 25 28 44 26 0 34 25 10 25
-133 0 0 25 15 38 11 35 58 48 278 -54 25 22 23 25 8 53 25 40 46 24 50 33
-132 0 0 24 55 30 11 35 52 47 279 -53 25 2 16 24 48 44 25 20 40 24 30 22
-131 0 0 24 35 3 11 35 45 46 280 -52 24 41 50 24 28 17 25 0 16 24 9 53
-130 0 0 24 14 19 11 35 38 45 280 -51 24 21 6 24 7 32 24 39 33 23 49 7
-129 0 0 23 53 17 11 35 31 44 281 -51 24 0 5 23 46 30 24 18 34 23 28 3
-128 0 0 23 31 58 11 35 25 43 281 -50 23 38 46 23 25 10 23 57 17 23 6 42
-127 0 0 23 10 22 11 35 19 42 282 -49 23 17 10 23 3 33 23 35 43 22 45 3
-126 0 0 22 48 29 11 35 12 41 282 -48 22 55 18 22 41 40 23 13 52 22 23 9
-125 0 0 22 26 20 11 35 6 40 283 -47 22 33 9 22 19 30 22 51 44 22 0 57
-124 0 0 22 3 54 11 35 0 39 283 -46 22 10 44 21 57 4 22 29 21 21 38 30
-123 0 0 21 41 13 11 34 54 38 284 -45 21 48 4 21 34 23 22 6 41 21 15 47
-122 0 0 21 18 16 11 34 48 37 284 -44 21 25 7 21 11 25 21 43 47 20 52 48
-121 0 0 20 55 5 11 34 42 36 285 -43 21 1 56 20 48 13 21 20 37 20 29 35
-120 0 0 20 31 38 11 34 36 35 285 -42 20 38 30 20 24 46 20 57 12 20 6 6
-119 0 0 20 7 57 11 34 30 34 286 -41 20 14 50 20 1 5 20 33 32 19 42 24
-118 0 0 19 44 2 11 34 25 33 286 -41 19 50 55 19 37 9 20 9 39 19 18 27
-117 0 0 19 19 54 11 34 20 32 286 -40 19 26 47 19 13 0 19 45 32 18 54 17
-116 0 0 18 55 32 11 34 14 31 287 -39 19 2 26 18 48 38 19 21 12 18 29 54
-115 0 0 18 30 58 11 34 9 30 287 -38 18 37 52 18 24 4 18 56 39 18 5 18
-114 0 0 18 6 11 11 34 4 29 288 -37 18 13 6 17 59 17 18 31 54 17 40 30
-113 0 0 17 41 13 11 33 59 28 288 -36 17 48 8 17 34 18 18 6 57 17 15 31
-112 0 0 17 16 3 11 33 54 27 288 -35 17 22 58 17 9 8 17 41 49 16 50 20
-111 0 0 16 50 43 11 33 50 26 289 -34 16 57 38 16 43 47 17 16 29 16 24 59
-110 0 0 16 25 12 11 33 45 25 289 -33 16 32 8 16 18 17 16 51 0 15 59 27
-109 0 0 15 59 32 11 33 41 24 289 -32 16 6 28 15 52 36 16 25 21 15 33 45
-108 0 0 15 33 42 11 33 37 23 290 -31 15 40 39 15 26 46 15 59 32 15 7 55
-107 0 0 15 7 44 11 33 33 22 290 -30 15 14 41 15 0 48 15 33 35 14 41 56
-106 0 0 14 41 38 11 33 29 21 290 -29 14 48 35 14 34 41 15 7 29 14 15 49
-105 0 0 14 15 24 11 33 26 20 290 -28 14 22 21 14 8 27 14 41 16 13 49 35
-104 0 0 13 49 4 11 33 22 19 291 -27 13 56 1 13 42 7 14 14 56 13 23 14
-103 0 0 13 22 37 11 33 19 18 291 -26 13 29 34 13 15 40 13 48 30 12 56 46
-102 0 0 12 56 4 11 33 16 17 291 -25 13 3 2 12 49 7 13 21 58 12 30 13
-101 0 0 12 29 27 11 33 13 16 291 -24 12 36 24 12 22 29 12 55 20 12 3 35
-100 0 0 12 2 45 11 33 10 15 292 -22 12 9 42 11 55 47 12 28 39 11 36 53
- 99 0 0 11 35 59 11 33 7 14 292 -21 11 42 56 11 29 2 12 1 53 11 10 7
- 98 0 0 11 9 10 11 33 5 13 292 -20 11 16 8 11 2 13 11 35 4 10 43 18
- 97 0 0 10 42 19 11 33 3 12 292 -19 10 49 16 10 35 21 11 8 13 10 16 27
- 96 0 0 10 15 26 11 33 1 11 292 -18 10 22 23 10 8 28 10 41 20 9 49 34
- 95 0 0 9 48 31 11 32 59 9 293 -17 9 55 29 9 41 34 10 14 25 9 22 40
- 94 0 0 9 21 37 11 32 57 8 293 -16 9 28 34 9 14 40 9 47 30 8 55 46
- 93 0 0 8 54 42 11 32 56 7 293 -15 9 1 40 8 47 45 9 20 35 8 28 52
- 92 0 0 8 27 49 11 32 54 6 293 -14 8 34 46 8 20 52 8 53 41 8 1 59
- 91 0 0 8 0 57 11 32 53 5 293 -13 8 7 54 7 54 0 8 26 49 7 35 8
- 90 0 0 7 34 8 11 32 53 4 293 -12 7 41 4 7 27 11 7 59 59 7 8 19
- 89 0 0 7 7 21 11 32 52 3 294 -11 7 14 18 7 0 25 7 33 12 6 41 33
- 88 0 0 6 40 39 11 32 51 2 294 -10 6 47 35 6 33 42 7 6 28 6 14 51
- 87 0 0 6 14 0 11 32 51 1 294 -9 6 20 56 6 7 4 6 39 49 5 48 14
Uncertainty in time = +/- 4 secs
Prediction of 2010 Jan 26.0
Data for the target star
------------------------
* name: TYC 1941-01920-1
* constellation : Cancer
* J2000 position with proper motion to date of event [h,m,s ; ?',"]
RA: 08 27 04.1853 DE: +23 43 39.321
* position source: mpos:TYC pm:TYC
* standard error: RA,DE ["]: ( .021, .021 )
* V mag [mag]: 8.5
* B mag [mag]: 9.5
* remarks:
Data for the minor planet
-------------------------
* general information:
(number) name: (684) Hildburg
approx. diameter [km]: 23
approx. diameter ["]: .021
distance from Earth [AU]: 1.52100
* orbital information:
orbit source: Preston
date of fit: 2010 Jan 25
source of used astrometry: FASTT MPC (via Astdys)
number of used observations: 1007
number of rejected observations: 58
time covered by the observations: 1909 Aug 19 - 2010 Jan 16
1 sigma uncertainty ellipse (major, minor, PA): 0.030, 0.019, 108?
remarks:
* orbital elements for (684) Hildburg :
Mean anomaly = 224.25661040 deg
Arg. of pericenter = 289.11489806 deg
Long. of node = 336.56804579 deg
Inclination = 5.52125206 deg
Eccentricity = 0.03563194
Semimajor axis = 2.43221751 AU
Perihelion dist = 2.34555288 AU
Mag: H = 10.80, G = 0.15
Epoch of elements : MJD 55229.48700000 TDT
(2010 Feb 02.487)
------ occelmnt file for Occult BEGIN -----------------------------------
2010 Feb 2
684 Hildburg
11h 41.9m UT
8.5 8 27 4.185 23 43 39.32TYC 1941-01920-1 9.5
14.7 23 2.0 1.521 -2.717 3.00
178.7197 23.727 7.94 -16.76
11.6990 0.01576 0.19038 -6.45587 0.52000 0.00085 -0.00066
2000 221.7915392010 124.00000289.114898336.568046 5.5212520.03563194 2.4322175 2.345552911.4 5.00.15
RATE 2.5983670 0.000000 0.000000 0.000000 0.0000000 0.0000000 0.0000000
Meas 0.037 0.028 102 2.36 0.028 0 055222.0020100202_1920-1
------ occelmnt file for Occult END -----------------------------------
============================================
Calculator (s): Steve Preston
Date of update: 2010 Jan 25, 19:23 UT
Steve Preston
7640 NE 32nd St
Medina, WA 98039
425-688-9965
mailto: stevepr@acm.org |
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