OCCULTATION of ZC552 on 31 Dec 2025



(cyan=occultation at moonrise/moonset; red dotted=daytime occultation; blue=twilight occultation; white=night time occultation)

UNIVERSAL TIME OF DISAPPEARANCE & REAPPEARANCE

Occultation predictions of     552SB7   Magnitude 2.9
Date 2025 Dec 31

Moon: % illumination = 88+,  Solar elongation = 140


      Disappearance
                                       U.T.  Sun Moon     CA  PA  WA   a    b
Location                             h  m  s Alt Alt Az    o   o   o  m/o  m/o

 1 CA Alert                         13 40 16     17   6  81N  73  85 -0.2 +0.0
 2 CA Burwash                       14 23 34      8 307  65S 107 119 -0.5 -1.4
 3 CA Cambridge Bay                 14  0  2      6 331  87N  79  91 -0.4 -0.7
 4 CA Clyde River                   13 42 48  -8  5   0  73N  65  77 -0.5 +0.0
 5 CA Coppermine                    14  5 25      7 323  88S  84  97 -0.4 -0.9
 6 CA Dawson                        14 19 52     10 306  69S 103 116 -0.4 -1.4
 7 CA Dease Lake                    14 22 30      3 314  69S 104 116 -0.6 -1.2
 8 CA Eureka                        13 46 22     14 345  82N  74  86 -0.2 -0.5
 9 CA Faro                          14 19 45      7 311  71S 101 114 -0.5 -1.3
10 CA Fort McPherson                14 13 40     11 308  76S  96 109 -0.4 -1.3
11 CA Fort Nelson                   14 17 43      1 320  75S  97 110 -0.6 -1.0
12 CA Fort Resolution               14 10 25      1 326  84S  88 101 -0.6 -0.8
13 CA Fort Simpson                  14 14  4      3 320  79S  93 105 -0.5 -1.0
14 CA Gjoa Haven                    13 56 12      4 338  82N  75  87 -0.5 -0.6
15 CA Hall Beach                    13 49 11 -10  3 350  77N  69  81 -0.5 -0.3
16 CA Hay River                     14 11 52      1 324  82S  90 102 -0.6 -0.8
17 CA Holman Island                 14  3 36     10 320  88S  84  97 -0.4 -1.0
18 CA Inuvik                        14 12  0     11 308  78S  95 107 -0.3 -1.3
19 CA Mayo                          14 19  5      9 308  71S 101 114 -0.4 -1.3
20 CA Nanisivik                     13 49 17      8 347  78N  70  83 -0.4 -0.4
21 CA Norman Wells                  14 13  4      7 315  79S  93 106 -0.4 -1.1
22 CA Old Crow                      14 15 10     13 303  73S  99 112 -0.3 -1.4
23 CA Pelly Bay                     13 53 24 -12  4 343  80N  72  84 -0.5 -0.4
24 CA Pond Inlet                    13 46 38 -12  7 352  76N  68  81 -0.4 -0.3
25 CA Repulse Bay                   13 52 24 -10  1 346  79N  71  83 -0.5 -0.3
26 CA Resolute                      13 52 12     10 338  82N  74  87 -0.3 -0.6
27 CA Sachs Harbour                 14  4 41     12 313  85S  87 100 -0.3 -1.2
28 CA Spence Bay                    13 54 39      5 340  81N  73  86 -0.5 -0.5
29 CA Teslin                        14 21 55      5 312  69S 104 116 -0.5 -1.2
30 CA Tuktoyaktuk                   14 10 22     12 308  79S  93 106 -0.3 -1.3
31 CA Watson Lake                   14 19 55      4 315  72S 100 113 -0.5 -1.1
32 CA Whitehorse                    14 22 28      6 310  68S 105 117 -0.5 -1.3
33 CA Wrigley                       14 13 44      5 318  79S  93 105 -0.5 -1.0
34 CA Yellowknife                   14  9 47      2 325  84S  88 100 -0.5 -0.8
36 FI Ivalo                         13  4 28  -7 21  77  84N  76  88 -0.1 +1.6
48 GL Thule                         13 42 23     11 360  76N  68  80 -0.3 -0.1
50 KZ Kustanay                      12 52 54 -10 37  98  47S 125 137 +1.2 +0.5
52 NO Alta                          13  7  8  -7 20  75  82N  74  86 -0.1 +1.6
54 NO Banak                         13  7  5  -7 21  76  82N  75  87 -0.1 +1.6
56 NO Batsfjord                     13  7 34  -9 23  81  85N  77  89 -0.1 +1.7
58 NO Hasvik                        13  8  6  -7 20  74  81N  73  86 -0.1 +1.6
59 NO Kirkenes                      13  6  6  -8 22  81  85N  77  89 -0.1 +1.7
60 NO Sorkjosen                     13  7 10  -6 19  73  81N  73  85 -0.2 +1.6
61 NO Svalbard                      13 21 19     21  74  81N  73  86 -0.1 +1.6
62 NO Svartnes                      13  7  5  -9 23  82  85N  77  90 +0.0 +1.7
64 RU Anadyr                        14 32 23     26 271  32S 140 152 -0.3 -3.3
65 RU Chelyabinsk                   12 52 17 -10 35  98  56S 116 129 +0.9 +0.9
67 RU Kurgan                        12 56 29     38 102  50S 123 135 +1.2 +0.7
68 RU Magnetiogorsk                 12 48  3  -7 33  93  56S 116 128 +0.8 +1.0
69 RU Murmansk                      13  4 23  -8 23  82  86N  79  91 +0.0 +1.7
70 RU Nizhnevartovsk                13 12 45     43 122  46S 126 139 +1.3 +0.2
71 RU Omsk                          13 10  9     44 113  28S 145 157 +2.9 -2.2
73 RU Perm                          12 51 36  -9 32  95  67S 105 117 +0.5 +1.3
74 RU Pevek                         14 24 41     30 262  38S 135 147 +0.0 -3.1
75 RU Provideniya Bay               14 35 17     28 268  25S 148 160 -0.4 -4.1
76 RU Salekhard                     13  9  5     36 115  69S 103 116 +0.6 +1.3
78 RU Surgut                        13  9 16     42 118  51S 121 133 +1.1 +0.6
79 RU Sverdlovsk                    12 53 15 -10 35  98  60S 113 125 +0.8 +1.1
80 RU Syktyvkar                     12 54 52  -9 29  93  77S  95 108 +0.3 +1.5
81 RU Ufa                           12 47 15  -6 31  92  63S 110 122 +0.6 +1.2
88 US Anchorage Ak                  14 29  0     12 299  55S 117 129 -0.5 -1.7
89 US Barter Island Ak              14 12 27     15 299  74S  99 111 -0.3 -1.5
90 US Chugiak Ak                    14 28 52     12 299  55S 117 129 -0.5 -1.7
91 US Clear Mews Ak                 14 23 21     14 298  62S 111 123 -0.4 -1.7
92 US Deadhorse Ak                  14 13 33     17 295  71S 101 114 -0.2 -1.6
93 US Delta Junction Ak             14 22 32     12 301  64S 108 121 -0.4 -1.6
94 US Fairbanks Ak                  14 22  1     13 299  63S 109 121 -0.4 -1.6
95 US Fort Richardson Ak            14 28 40     12 299  56S 117 129 -0.5 -1.7
96 US Fort Yukon Ak                 14 18 22     14 300  68S 104 117 -0.3 -1.5
97 US Juneau Ak                     14 25 10      4 311  65S 108 120 -0.6 -1.3
98 US Kodiak Ak                     14 36 40     10 299  45S 127 139 -0.6 -2.0
99 US Sitka Ak                      14 27 22      3 311  62S 111 123 -0.6 -1.3
100 US Skagway Ak                    14 24 13      5 310  66S 107 119 -0.5 -1.3


      Reappearance
                                       U.T.  Sun Moon     CA  PA  WA   a    b
Location                             h  m  s Alt Alt Az    o   o   o  m/o  m/o

 1 CA Alert                         14 30 43     17  18 -89S 262 273 -0.2 +0.4
 4 CA Clyde River                   14 28 26  -6  5  11 -82N 271 283 -0.5 +0.3
 6 CA Dawson                        15  5  4      6 315 -66S 239 251 -0.3 -0.8
 8 CA Eureka                        14 36  3     14 356 -89S 262 274 -0.3 -0.2
10 CA Fort McPherson                15  0 47      8 318 -72S 245 257 -0.3 -0.9
17 CA Holman Island                 14 51 49      7 331 -83S 255 267 -0.4 -0.7
18 CA Inuvik                        14 59 32      8 319 -74S 246 258 -0.3 -0.9
19 CA Mayo                          15  4 25      5 318 -68S 241 253 -0.3 -0.8
20 CA Nanisivik                     14 36 27 -11  7 358 -86N 267 278 -0.4 -0.1
22 CA Old Crow                      15  2  2      9 314 -69S 242 254 -0.3 -1.0
24 CA Pond Inlet                    14 33 25  -9  7   3 -84N 268 280 -0.5 +0.1
26 CA Resolute                      14 40 28      9 349 -89N 263 275 -0.4 -0.3
27 CA Sachs Harbour                 14 53 27     10 324 -80S 252 264 -0.3 -0.9
30 CA Tuktoyaktuk                   14 58 21      9 319 -75S 247 259 -0.3 -0.9
35 FI Enontekio                     13 56 50  -9 24  86 -80S 252 264 +0.0 +1.7
36 FI Ivalo                         13 57 17 -10 26  90 -77S 250 262 +0.0 +1.7
37 FI Joensuu                       13 47  1  -6 26  86 -73S 246 257 +0.0 +1.7
38 FI Kajaani                       13 49 53  -7 25  86 -75S 248 260 +0.0 +1.7
39 FI Kemi                          13 52 27  -7 24  85 -78S 251 263 +0.0 +1.7
40 FI Kemijarvi                     13 54  2  -9 25  88 -77S 250 261 +0.0 +1.7
41 FI Kittila                       13 55 42  -9 25  86 -79S 251 263 +0.0 +1.7
42 FI Kuusamo                       13 52 49  -9 26  89 -75S 248 260 +0.0 +1.7
43 FI Oulu                          13 51  0  -7 24  85 -77S 250 262 +0.0 +1.7
44 FI Pattijoki                     13 50 36  -6 24  84 -77S 250 262 +0.0 +1.7
45 FI Pudasjarvi                    13 51 48  -7 25  86 -76S 249 261 +0.0 +1.7
46 FI Rovaniemi                     13 53 47  -8 25  86 -78S 250 262 +0.0 +1.7
47 FI Sodankyla                     13 55 11  -9 25  88 -77S 250 262 +0.0 +1.7
48 GL Thule                         14 30 20 -11 11  11 -85N 267 279 -0.4 +0.3
49 KZ Aktyubinsk                    13 20 11  -9 37  96 -24S 197 209 -0.4 +2.8
50 KZ Kustanay                      13 26 26     42 106 -20S 193 205 -0.4 +3.0
51 KZ Uralsk                        13 23 56  -7 34  93 -36S 209 221 -0.2 +2.3
52 NO Alta                          13 59 35 -10 25  87 -80S 253 265 +0.0 +1.7
53 NO Andoya                        13 58 43  -8 22  80 -84S 256 268 -0.1 +1.6
54 NO Banak                         13 59 44 -11 25  89 -79S 252 264 +0.0 +1.7
55 NO Bardufoss                     13 58 11  -8 23  82 -83S 255 267 -0.1 +1.7
56 NO Batsfjord                     14  0 48     27  94 -77S 250 262 +0.0 +1.7
57 NO Evenes                        13 57 22  -7 22  80 -83S 256 268 -0.1 +1.6
58 NO Hasvik                        14  0 29 -10 24  86 -81S 254 266 +0.0 +1.7
59 NO Kirkenes                      13 59 19 -12 27  93 -76S 249 261 +0.0 +1.7
60 NO Sorkjosen                     13 59 19  -9 24  85 -81S 254 266 +0.0 +1.7
61 NO Svalbard                      14 13 49     24  87 -83S 256 268 +0.0 +1.7
62 NO Svartnes                      14  0 29     27  95 -76S 249 261 +0.0 +1.7
63 NO Tromso                        13 59 13  -9 23  83 -82S 255 267 +0.0 +1.7
64 RU Anadyr                        15  0 42     23 277 -28S 201 213 +0.6 +0.2
65 RU Chelyabinsk                   13 32 45     41 107 -30S 202 214 -0.1 +2.6
66 RU Kazan                         13 33 55  -9 34  96 -47S 220 232 +0.0 +2.1
67 RU Kurgan                        13 32 40     43 111 -23S 196 208 -0.2 +2.9
68 RU Magnetiogorsk                 13 28 11     39 102 -29S 202 214 -0.2 +2.6
69 RU Murmansk                      13 57 48 -12 28  95 -74S 247 259 +0.1 +1.7
70 RU Nizhnevartovsk                13 47 43     47 132 -22S 195 207 +0.0 +3.0
71 RU Omsk                          13 25 50     46 117  -1S 174 186 -1.6 +5.7
72 RU Orenburg                      13 24 43 -10 37  97 -31S 204 216 -0.2 +2.5
73 RU Perm                          13 39  5     38 105 -43S 215 227 +0.1 +2.2
74 RU Pevek                         14 57  6     27 269 -32S 205 217 +0.5 +0.0
75 RU Provideniya Bay               14 57  9     26 273 -21S 193 205 +0.9 +1.1
76 RU Salekhard                     13 59 19     41 128 -47S 220 232 +0.3 +2.0
77 RU Samara                        13 29 24  -8 34  95 -42S 215 227 -0.1 +2.2
78 RU Surgut                        13 48 31     45 129 -27S 200 212 +0.1 +2.7
79 RU Sverdlovsk                    13 36 28     41 109 -34S 207 219 +0.0 +2.5
80 RU Syktyvkar                     13 46 22     35 105 -54S 227 239 +0.1 +2.0
81 RU Ufa                           13 31 25 -12 38 101 -36S 209 221 -0.1 +2.4
82 SE Gallivare                     13 54 51  -7 23  82 -81S 253 265 +0.0 +1.7
83 SE Heden                         13 52 39  -6 23  82 -80S 253 265 -0.1 +1.7
84 SE Jokkmokk                      13 53 50  -6 23  81 -81S 254 266 -0.1 +1.7
85 SE Kalixfors                     13 55 56  -7 23  82 -81S 254 266 +0.0 +1.7
86 SE Kiruna                        13 56  2  -8 23  82 -81S 254 266 +0.0 +1.7
87 SE Lulea                         13 52  8  -6 23  82 -79S 252 264 -0.1 +1.7
88 US Anchorage Ak                  15  9 33      8 307 -54S 226 238 -0.1 -0.7
89 US Barter Island Ak              15  0 15     12 310 -69S 242 254 -0.2 -1.1
90 US Chugiak Ak                    15  9 30      8 307 -54S 227 238 -0.1 -0.7
91 US Clear Mews Ak                 15  6 59     10 307 -59S 232 244 -0.1 -0.9
92 US Deadhorse Ak                  15  1  1     13 305 -66S 239 251 -0.1 -1.1
93 US Delta Junction Ak             15  6 42      8 310 -61S 234 246 -0.2 -0.9
94 US Fairbanks Ak                  15  6 21      9 308 -61S 233 245 -0.2 -0.9
95 US Fort Richardson Ak            15  9 27      8 308 -54S 227 239 -0.1 -0.7
96 US Fort Yukon Ak                 15  4 14     10 310 -65S 237 249 -0.2 -1.0
98 US Kodiak Ak                     15 11 42      6 306 -45S 217 229 +0.0 -0.4



      Sites
Location                             E. Long    Latitude

 1 CA Alert                        - 62 16.8     82 31.1
 2 CA Burwash                      -139  2.4     61 22.3
 3 CA Cambridge Bay                -105  8.3     69  6.5
 4 CA Clyde River                  - 68 31.0     70 29.2
 5 CA Coppermine                   -115  8.6     67 49.0
 6 CA Dawson                       -139  7.7     64  2.6
 7 CA Dease Lake                   -130  1.9     58 25.3
 8 CA Eureka                       - 85 48.8     79 59.7
 9 CA Faro                         -133 22.5     62 12.5
10 CA Fort McPherson               -134 51.6     67 24.5
11 CA Fort Nelson                  -122 35.8     58 50.2
12 CA Fort Resolution              -113 41.4     61 10.8
13 CA Fort Simpson                 -121 14.2     61 45.6
14 CA Gjoa Haven                   - 95 51.0     68 38.1
15 CA Hall Beach                   - 81 14.6     68 46.6
16 CA Hay River                    -115 47.0     60 50.4
17 CA Holman Island                -117 48.3     70 45.8
18 CA Inuvik                       -133 29.0     68 18.3
19 CA Mayo                         -135 52.0     63 37.0
20 CA Nanisivik                    - 84 36.8     72 58.9
21 CA Norman Wells                 -126 48.0     65 17.0
22 CA Old Crow                     -139 50.4     67 34.2
23 CA Pelly Bay                    - 89 48.5     68 32.1
24 CA Pond Inlet                   - 77 58.0     72 41.0
25 CA Repulse Bay                  - 86 13.5     66 31.3
26 CA Resolute                     - 94 58.2     74 43.0
27 CA Sachs Harbour                -125 14.6     71 59.6
28 CA Spence Bay                   - 93 34.6     69 32.8
29 CA Teslin                       -132 44.6     60 10.4
30 CA Tuktoyaktuk                  -133  1.6     69 26.0
31 CA Watson Lake                  -128 49.3     60  7.1
32 CA Whitehorse                   -135  4.1     60 42.6
33 CA Wrigley                      -123 26.2     63 12.6
34 CA Yellowknife                  -114 26.4     62 27.8
35 FI Enontekio                      23 25.5     68 21.8
36 FI Ivalo                          27 24.3     68 36.4
37 FI Joensuu                        29 37.5     62 39.5
38 FI Kajaani                        27 41.5     64 17.1
39 FI Kemi                           24 35.9     65 46.9
40 FI Kemijarvi                      27  9.4     66 42.8
41 FI Kittila                        24 50.8     67 42.0
42 FI Kuusamo                        29 14.4     65 59.3
43 FI Oulu                           25 21.3     64 55.8
44 FI Pattijoki                      24 41.7     64 41.3
45 FI Pudasjarvi                     26 56.8     65 24.1
46 FI Rovaniemi                      25 49.8     66 33.9
47 FI Sodankyla                      26 37.1     67 23.7
48 GL Thule                        - 68 42.2     76 31.9
49 KZ Aktyubinsk                     57 12.2     50 14.7
50 KZ Kustanay                       63 33.0     53 12.4
51 KZ Uralsk                         51 32.7     51  9.1
52 NO Alta                           23 22.0     69 58.6
53 NO Andoya                         16  8.7     69 17.6
54 NO Banak                          24 58.4     70  4.1
55 NO Bardufoss                      18 32.4     69  3.3
56 NO Batsfjord                      29 41.6     70 36.0
57 NO Evenes                         16 40.7     68 29.5
58 NO Hasvik                         22  8.4     70 29.2
59 NO Kirkenes                       29 53.3     69 43.5
60 NO Sorkjosen                      20 57.6     69 47.2
61 NO Svalbard                       15 27.9     78 14.8
62 NO Svartnes                       31  2.7     70 21.3
63 NO Tromso                         18 55.1     69 41.0
64 RU Anadyr                        177 44.5     64 44.1
65 RU Chelyabinsk                    61 30.4     55 18.2
66 RU Kazan                          49 16.6     55 36.5
67 RU Kurgan                         65 24.9     55 28.5
68 RU Magnetiogorsk                  58 45.6     53 23.6
69 RU Murmansk                       32 45.0     68 46.9
70 RU Nizhnevartovsk                 76 28.0     60 57.0
71 RU Omsk                           73 18.6     54 58.0
72 RU Orenburg                       55 27.4     51 47.7
73 RU Perm                           56  1.5     57 55.0
74 RU Pevek                         171  0.0     67 30.0
75 RU Provideniya Bay               173 14.8     64 22.8
76 RU Salekhard                      66 36.6     66 35.4
77 RU Samara                         50  9.9     53 30.3
78 RU Surgut                         73 30.0     61 15.0
79 RU Sverdlovsk                     60 48.2     56 44.5
80 RU Syktyvkar                      50 50.7     61 38.9
81 RU Ufa                            55 52.5     54 33.5
82 SE Gallivare                      20 48.9     67  7.9
83 SE Heden                          21 28.3     65 50.2
84 SE Jokkmokk                       20  8.8     66 29.8
85 SE Kalixfors                      20 15.4     67 45.9
86 SE Kiruna                         20 20.2     67 49.3
87 SE Lulea                          22  7.3     65 32.6
88 US Anchorage Ak                 -149 59.8     61 10.5
89 US Barter Island Ak             -143 34.6     70  8.0
90 US Chugiak Ak                   -149 54.0     61 13.1
91 US Clear Mews Ak                -149  7.2     64 18.1
92 US Deadhorse Ak                 -148 27.9     70 11.7
93 US Delta Junction Ak            -145 43.3     63 59.7
94 US Fairbanks Ak                 -147 51.4     64 48.9
95 US Fort Richardson Ak           -149 39.2     61 16.0
96 US Fort Yukon Ak                -145 15.0     66 34.3
97 US Juneau Ak                    -134 34.6     58 21.3
98 US Kodiak Ak                    -152 29.6     57 45.0
99 US Sitka Ak                     -135 21.7     57  2.8
100 US Skagway Ak                   -135 18.9     59 27.6





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