Cora»OccDetail

Stellar Occultation by (191) Kolga on 2025-12-09 (17:52:18 UT)

Event Details
Occultation UUID [and db] : d298b6f0-ddb8-11f0-547e-87f0affd0f78 [observed] Occultation Date + Time : 2025-12-09 at 17:52:18 UT +/- 0.0 min [1] Object Designation : (191) Kolga Star Designation : GDR3 4181639502955155200 Star Coordinates (ICRF) : RA = 19 43 52.5218, DE = -16 18 32.404 [2] Star Magnitudes : G = 14.83 mag, RP = 14.19 mag, BP = 15.32 mag Object Magnitude : V = 14.83 mag Estimated Magnitude Drop : 0.8 mag Estimated Max. Duration : 2.4 sec Speed of the shadow : 41.3 km/s Object Mean Diameter : 101.0 km (src: astorb) => apparent = 39 mas Apparent Motion : 0.9650 arcs/min @ PA = 86 deg Horizontal Parallax : 2.4820 arcs Dynamical Class : MBA Elongation to Moon & Sun : 152° (sunlit = 72%), Sun = 37° Cross-track uncertainty : 0.4 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#147 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : d298b6f0-ddb8-11f0-547e-87f0affd0f78 [observed] Occultation Date + Time : 2025-12-09 at 17:52:18 UT +/- 0.0 min [1] Object Designation : (191) Kolga Star Designation : GDR3 4181639502955155200 Star Coordinates (ICRF) : RA = 19 43 52.5218, DE = -16 18 32.404 [2] Star Magnitudes : G = 14.83 mag, RP = 14.19 mag, BP = 15.32 mag Object Magnitude : V = 14.83 mag Estimated Magnitude Drop : 0.8 mag Estimated Max. Duration : 2.4 sec Speed of the shadow : 41.3 km/s Object Mean Diameter : 101.0 km (src: astorb) => apparent = 39 mas Apparent Motion : 0.9650 arcs/min @ PA = 86 deg Horizontal Parallax : 2.4820 arcs Dynamical Class : MBA Elongation to Moon & Sun : 152° (sunlit = 72%), Sun = 37° Cross-track uncertainty : 0.4 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#147 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 17:50:32 +36.9203 -119.5330 +06 116 +24 17:50:34 +35.3755 -113.9250 +11 119 +27 17:50:37 +34.3920 -110.1280 +14 121 +29 17:50:40 +33.6368 -107.0507 +16 123 +31 17:50:42 +33.0164 -104.3880 +19 125 +32 17:50:45 +32.4881 -102.0023 +21 127 +33 17:50:48 +32.0284 -099.8178 +22 128 +34 17:50:50 +31.6225 -097.7873 +24 129 +35 17:50:53 +31.2605 -095.8792 +25 131 +36 17:50:56 +30.9353 -094.0710 +27 132 +36 17:50:59 +30.6417 -092.3463 +28 133 +36 17:51:01 +30.3758 -090.6922 +29 135 +37 17:51:04 +30.1342 -089.0989 +31 136 +37 17:51:07 +29.9147 -087.5584 +32 137 +37 17:51:09 +29.7149 -086.0642 +33 139 +37 17:51:12 +29.5334 -084.6108 +34 140 +37 17:51:15 +29.3685 -083.1937 +35 141 +37 17:51:17 +29.2193 -081.8091 +35 142 +37 17:51:20 +29.0845 -080.4535 +36 144 +37 17:51:23 +28.9633 -079.1240 +37 145 +37 17:51:25 +28.8550 -077.8182 +38 146 +37 17:51:28 +28.7589 -076.5338 +38 148 +37 17:51:31 +28.6744 -075.2687 +39 149 +37 17:51:34 +28.6009 -074.0212 +40 150 +36 17:51:36 +28.5381 -072.7896 +40 152 +36 17:51:39 +28.4856 -071.5725 +41 153 +36 17:51:42 +28.4429 -070.3684 +41 154 +35 17:51:44 +28.4099 -069.1762 +42 156 +35 17:51:47 +28.3861 -067.9947 +42 157 +35 17:51:50 +28.3714 -066.8227 +43 159 +34 17:51:52 +28.3656 -065.6594 +43 160 +34 17:51:55 +28.3685 -064.5037 +43 162 +33 17:51:58 +28.3799 -063.3548 +44 163 +33 17:52:00 +28.3996 -062.2118 +44 165 +32 17:52:03 +28.4277 -061.0738 +44 166 +32 17:52:06 +28.4639 -059.9402 +44 168 +31 17:52:09 +28.5082 -058.8100 +45 169 +31 17:52:11 +28.5606 -057.6826 +45 171 +30 17:52:14 +28.6209 -056.5573 +45 172 +29 17:52:17 +28.6892 -055.4333 +45 174 +29 17:52:19 +28.7656 -054.3099 +45 175 +28 17:52:22 +28.8498 -053.1864 +45 177 +27 17:52:25 +28.9421 -052.0621 +45 178 +27 17:52:27 +29.0425 -050.9363 +45 180 +26 17:52:30 +29.1509 -049.8082 +45 181 +25 17:52:33 +29.2675 -048.6772 +44 183 +24 17:52:35 +29.3924 -047.5424 +44 185 +24 17:52:38 +29.5257 -046.4030 +44 186 +23 17:52:41 +29.6675 -045.2584 +44 188 +22 17:52:43 +29.8180 -044.1075 +43 189 +21 17:52:46 +29.9773 -042.9495 +43 191 +20 17:52:49 +30.1457 -041.7836 +43 192 +20 17:52:52 +30.3234 -040.6087 +42 194 +19 17:52:54 +30.5106 -039.4237 +42 195 +18 17:52:57 +30.7076 -038.2275 +41 196 +17 17:53:00 +30.9148 -037.0190 +41 198 +16 17:53:02 +31.1326 -035.7968 +40 199 +15 17:53:05 +31.3613 -034.5595 +40 201 +14 17:53:08 +31.6013 -033.3055 +39 202 +13 17:53:10 +31.8534 -032.0330 +39 204 +12 17:53:13 +32.1179 -030.7403 +38 205 +11 17:53:16 +32.3956 -029.4251 +37 206 +10 17:53:18 +32.6873 -028.0851 +36 208 +09 17:53:21 +32.9939 -026.7175 +35 209 +08 17:53:24 +33.3163 -025.3193 +35 210 +06 17:53:27 +33.6557 -023.8869 +34 212 +05 17:53:29 +34.0136 -022.4162 +33 213 +04 17:53:32 +34.3914 -020.9023 +32 215 +03 17:53:35 +34.7912 -019.3395 +31 216 +01 17:53:37 +35.2153 -017.7208 +29 217 +00 17:53:40 +35.6664 -016.0377 +28 219 -01 17:53:43 +36.1481 -014.2797 +27 220 -03 17:53:45 +36.6649 -012.4332 +26 222 -04 17:53:48 +37.2226 -010.4807 +24 223 -06 17:53:51 +37.8288 -008.3986 +23 225 -08 17:53:53 +38.4946 -006.1534 +21 227 -10 17:53:56 +39.2359 -003.6960 +19 228 -12 17:53:59 +40.0781 -000.9476 +17 230 -14 17:54:01 +41.0659 +002.2322 +14 233 -17 17:54:04 +42.2950 +006.1456 +11 236 -20 17:54:07 +44.0745 +011.7802 +07 239 -24 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 17:50:32   +36.9203  -119.5330   +06  116  +24 17:50:34   +35.3755  -113.9250   +11  119  +27 17:50:37   +34.3920  -110.1280   +14  121  +29 17:50:40   +33.6368  -107.0507   +16  123  +31 17:50:42   +33.0164  -104.3880   +19  125  +32 17:50:45   +32.4881  -102.0023   +21  127  +33 17:50:48   +32.0284  -099.8178   +22  128  +34 17:50:50   +31.6225  -097.7873   +24  129  +35 17:50:53   +31.2605  -095.8792   +25  131  +36 17:50:56   +30.9353  -094.0710   +27  132  +36 17:50:59   +30.6417  -092.3463   +28  133  +36 17:51:01   +30.3758  -090.6922   +29  135  +37 17:51:04   +30.1342  -089.0989   +31  136  +37 17:51:07   +29.9147  -087.5584   +32  137  +37 17:51:09   +29.7149  -086.0642   +33  139  +37 17:51:12   +29.5334  -084.6108   +34  140  +37 17:51:15   +29.3685  -083.1937   +35  141  +37 17:51:17   +29.2193  -081.8091   +35  142  +37 17:51:20   +29.0845  -080.4535   +36  144  +37 17:51:23   +28.9633  -079.1240   +37  145  +37 17:51:25   +28.8550  -077.8182   +38  146  +37 17:51:28   +28.7589  -076.5338   +38  148  +37 17:51:31   +28.6744  -075.2687   +39  149  +37 17:51:34   +28.6009  -074.0212   +40  150  +36 17:51:36   +28.5381  -072.7896   +40  152  +36 17:51:39   +28.4856  -071.5725   +41  153  +36 17:51:42   +28.4429  -070.3684   +41  154  +35 17:51:44   +28.4099  -069.1762   +42  156  +35 17:51:47   +28.3861  -067.9947   +42  157  +35 17:51:50   +28.3714  -066.8227   +43  159  +34 17:51:52   +28.3656  -065.6594   +43  160  +34 17:51:55   +28.3685  -064.5037   +43  162  +33 17:51:58   +28.3799  -063.3548   +44  163  +33 17:52:00   +28.3996  -062.2118   +44  165  +32 17:52:03   +28.4277  -061.0738   +44  166  +32 17:52:06   +28.4639  -059.9402   +44  168  +31 17:52:09   +28.5082  -058.8100   +45  169  +31 17:52:11   +28.5606  -057.6826   +45  171  +30 17:52:14   +28.6209  -056.5573   +45  172  +29 17:52:17   +28.6892  -055.4333   +45  174  +29 17:52:19   +28.7656  -054.3099   +45  175  +28 17:52:22   +28.8498  -053.1864   +45  177  +27 17:52:25   +28.9421  -052.0621   +45  178  +27 17:52:27   +29.0425  -050.9363   +45  180  +26 17:52:30   +29.1509  -049.8082   +45  181  +25 17:52:33   +29.2675  -048.6772   +44  183  +24 17:52:35   +29.3924  -047.5424   +44  185  +24 17:52:38   +29.5257  -046.4030   +44  186  +23 17:52:41   +29.6675  -045.2584   +44  188  +22 17:52:43   +29.8180  -044.1075   +43  189  +21 17:52:46   +29.9773  -042.9495   +43  191  +20 17:52:49   +30.1457  -041.7836   +43  192  +20 17:52:52   +30.3234  -040.6087   +42  194  +19 17:52:54   +30.5106  -039.4237   +42  195  +18 17:52:57   +30.7076  -038.2275   +41  196  +17 17:53:00   +30.9148  -037.0190   +41  198  +16 17:53:02   +31.1326  -035.7968   +40  199  +15 17:53:05   +31.3613  -034.5595   +40  201  +14 17:53:08   +31.6013  -033.3055   +39  202  +13 17:53:10   +31.8534  -032.0330   +39  204  +12 17:53:13   +32.1179  -030.7403   +38  205  +11 17:53:16   +32.3956  -029.4251   +37  206  +10 17:53:18   +32.6873  -028.0851   +36  208  +09 17:53:21   +32.9939  -026.7175   +35  209  +08 17:53:24   +33.3163  -025.3193   +35  210  +06 17:53:27   +33.6557  -023.8869   +34  212  +05 17:53:29   +34.0136  -022.4162   +33  213  +04 17:53:32   +34.3914  -020.9023   +32  215  +03 17:53:35   +34.7912  -019.3395   +31  216  +01 17:53:37   +35.2153  -017.7208   +29  217  +00 17:53:40   +35.6664  -016.0377   +28  219  -01 17:53:43   +36.1481  -014.2797   +27  220  -03 17:53:45   +36.6649  -012.4332   +26  222  -04 17:53:48   +37.2226  -010.4807   +24  223  -06 17:53:51   +37.8288  -008.3986   +23  225  -08 17:53:53   +38.4946  -006.1534   +21  227  -10 17:53:56   +39.2359  -003.6960   +19  228  -12 17:53:59   +40.0781  -000.9476   +17  230  -14 17:54:01   +41.0659  +002.2322   +14  233  -17 17:54:04   +42.2950  +006.1456   +11  236  -20 17:54:07   +44.0745  +011.7802   +07  239  -24

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +39.6414 -126.4583 +35.5125 -116.9153 +36.5653 -115.8123 +34.3047 -112.4014 +35.4018 -111.4375 +33.4419 -108.9902 +34.5590 -108.0826 +32.7543 -106.1258 +33.8842 -105.2494 +32.1785 -103.6025 +33.3179 -102.7456 +31.6825 -101.3170 +32.8298 -100.4733 +31.2474 -099.2088 +32.4016 -098.3742 +30.8612 -097.2389 +32.0217 -096.4106 +30.5152 -095.3803 +31.6816 -094.5565 +30.2035 -093.6137 +31.3755 -092.7928 +29.9214 -091.9244 +31.0987 -091.1052 +29.6652 -090.3011 +30.8479 -089.4827 +29.4322 -088.7347 +30.6202 -087.9163 +29.2202 -087.2182 +30.4133 -086.3990 +29.0271 -085.7453 +30.2254 -084.9249 +28.8514 -084.3113 +30.0549 -083.4890 +28.6918 -082.9118 +29.9006 -082.0871 +28.5472 -081.5433 +29.7613 -080.7158 +28.4167 -080.2025 +29.6360 -079.3717 +28.2993 -078.8868 +29.5241 -078.0524 +28.1944 -077.5938 +29.4247 -076.7553 +28.1014 -076.3214 +29.3372 -075.4783 +28.0196 -075.0675 +29.2611 -074.2196 +27.9487 -073.8306 +29.1959 -072.9774 +27.8882 -072.6091 +29.1412 -071.7502 +27.8376 -071.4015 +29.0967 -070.5366 +27.7968 -070.2066 +29.0619 -069.3352 +27.7653 -069.0231 +29.0367 -068.1448 +27.7429 -067.8499 +29.0207 -066.9644 +27.7294 -066.6861 +29.0138 -065.7929 +27.7247 -065.5306 +29.0157 -064.6292 +27.7284 -064.3825 +29.0264 -063.4725 +27.7405 -063.2410 +29.0455 -062.3219 +27.7609 -062.1052 +29.0731 -061.1765 +27.7893 -060.9744 +29.1090 -060.0356 +27.8258 -059.8477 +29.1532 -058.8982 +27.8703 -058.7244 +29.2055 -057.7637 +27.9227 -057.6038 +29.2660 -056.6313 +27.9829 -056.4853 +29.3346 -055.5003 +28.0510 -055.3680 +29.4113 -054.3699 +28.1269 -054.2513 +29.4962 -053.2394 +28.2106 -053.1345 +29.5892 -052.1080 +28.3022 -052.0170 +29.6903 -050.9751 +28.4018 -050.8980 +29.7998 -049.8398 +28.5093 -049.7768 +29.9175 -048.7015 +28.6248 -048.6527 +30.0437 -047.5593 +28.7484 -047.5250 +30.1785 -046.4124 +28.8803 -046.3929 +30.3219 -045.2599 +29.0206 -045.2556 +30.4742 -044.1011 +29.1694 -044.1124 +30.6355 -042.9350 +29.3268 -042.9623 +30.8061 -041.7606 +29.4931 -041.8044 +30.9861 -040.5768 +29.6685 -040.6379 +31.1759 -039.3827 +29.8533 -039.4616 +31.3758 -038.1770 +30.0477 -038.2745 +31.5861 -036.9585 +30.2520 -037.0755 +31.8072 -035.7258 +30.4665 -035.8633 +32.0395 -034.4774 +30.6918 -034.6365 +32.2836 -033.2116 +30.9281 -033.3936 +32.5399 -031.9267 +31.1760 -032.1330 +32.8091 -030.6206 +31.4362 -030.8529 +33.0920 -029.2911 +31.7091 -029.5512 +33.3893 -027.9356 +31.9955 -028.2258 +33.7020 -026.5513 +32.2963 -026.8740 +34.0312 -025.1349 +32.6124 -025.4929 +34.3781 -023.6825 +32.9449 -024.0792 +34.7442 -022.1897 +33.2950 -022.6291 +35.1313 -020.6512 +33.6643 -021.1381 +35.5415 -019.0608 +34.0545 -019.6008 +35.9773 -017.4108 +34.4677 -018.0109 +36.4418 -015.6919 +34.9066 -016.3607 +36.9390 -013.8922 +35.3742 -014.6406 +37.4740 -011.9965 +35.8745 -012.8387 +38.0532 -009.9847 +36.4127 -010.9393 +38.6860 -007.8293 +36.9956 -008.9219 +39.3851 -005.4905 +37.6323 -006.7583 +40.1702 -002.9077 +38.3362 -004.4073 +41.0739 +000.0203 +39.1275 -001.8063 +42.1581 +003.4875 +40.0402 +001.1511 +43.5747 +007.9758 +41.1398 +004.6717 +46.1795 +016.2306 +42.5933 +009.2873 Azimuth (Azm) measured from North to East.

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Apply ephem. offset (O-C) in RA & DE and CTU:
CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.