Cora»OccDetail

Stellar Occultation by (194) Prokne on 2025-10-13 (04:09:30 UT)

Event Details
Occultation UUID [and db] : 8ea20870-ddb8-11f0-547e-2b9a7fed402b [observed] Occultation Date + Time : 2025-10-13 at 04:09:30 UT +/- 0.0 min [1] Object Designation : (194) Prokne Star Designation : GDR3 3136636232842781696 Star Coordinates (ICRF) : RA = 07 29 40.5010, DE = +03 49 19.804 [2] Star Magnitudes : G = 14.54 mag, RP = 13.96 mag, BP = 14.96 mag Object Magnitude : V = 13.38 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 10.6 sec Speed of the shadow : 16.0 km/s Object Mean Diameter : 168.4 km (src: astorb) => apparent = 83 mas Apparent Motion : 0.4733 arcs/min @ PA = 119 deg Horizontal Parallax : 3.1530 arcs Dynamical Class : MBA Elongation to Moon & Sun : 25° (sunlit = 57%), Sun = 87° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#170 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 8ea20870-ddb8-11f0-547e-2b9a7fed402b [observed] Occultation Date + Time : 2025-10-13 at 04:09:30 UT +/- 0.0 min [1] Object Designation : (194) Prokne Star Designation : GDR3 3136636232842781696 Star Coordinates (ICRF) : RA = 07 29 40.5010, DE = +03 49 19.804 [2] Star Magnitudes : G = 14.54 mag, RP = 13.96 mag, BP = 14.96 mag Object Magnitude : V = 13.38 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 10.6 sec Speed of the shadow : 16.0 km/s Object Mean Diameter : 168.4 km (src: astorb) => apparent = 83 mas Apparent Motion : 0.4733 arcs/min @ PA = 119 deg Horizontal Parallax : 3.1530 arcs Dynamical Class : MBA Elongation to Moon & Sun : 25° (sunlit = 57%), Sun = 87° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#170 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

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Occultation Ground Track
------------------ Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 04:03:46 +56.7873 -045.3807 +11 101 -39 04:03:58 +56.0381 -034.8806 +17 110 -36 04:04:09 +55.1187 -027.3453 +22 116 -34 04:04:21 +54.1314 -021.2773 +25 122 -32 04:04:32 +53.1120 -016.1351 +28 126 -30 04:04:44 +52.0777 -011.6448 +31 130 -28 04:04:55 +51.0376 -007.6432 +34 134 -26 04:05:07 +49.9973 -004.0238 +36 138 -25 04:05:19 +48.9600 -000.7116 +38 141 -23 04:05:30 +47.9279 +002.3478 +40 144 -21 04:05:42 +46.9022 +005.1962 +42 147 -19 04:05:53 +45.8836 +007.8657 +44 150 -18 04:06:05 +44.8727 +010.3822 +46 153 -16 04:06:17 +43.8695 +012.7666 +48 156 -14 04:06:28 +42.8742 +015.0362 +49 159 -13 04:06:40 +41.8866 +017.2053 +51 162 -11 04:06:51 +40.9065 +019.2862 +52 165 -09 04:07:03 +39.9338 +021.2893 +53 168 -08 04:07:14 +38.9682 +023.2235 +55 171 -06 04:07:26 +38.0094 +025.0967 +56 174 -05 04:07:38 +37.0572 +026.9159 +57 177 -03 04:07:49 +36.1112 +028.6870 +58 180 -01 04:08:01 +35.1711 +030.4156 +59 184 +00 04:08:12 +34.2366 +032.1065 +59 187 +02 04:08:24 +33.3074 +033.7642 +60 191 +03 04:08:35 +32.3832 +035.3928 +61 195 +05 04:08:47 +31.4636 +036.9959 +61 198 +07 04:08:59 +30.5484 +038.5771 +62 202 +08 04:09:10 +29.6373 +040.1397 +62 206 +10 04:09:22 +28.7300 +041.6866 +62 210 +11 04:09:33 +27.8260 +043.2208 +62 214 +13 04:09:45 +26.9253 +044.7451 +62 218 +14 04:09:56 +26.0274 +046.2623 +62 221 +16 04:10:08 +25.1320 +047.7749 +61 225 +18 04:10:20 +24.2388 +049.2858 +61 229 +19 04:10:31 +23.3476 +050.7974 +60 232 +21 04:10:43 +22.4580 +052.3125 +60 235 +23 04:10:54 +21.5697 +053.8339 +59 239 +24 04:11:06 +20.6823 +055.3643 +58 242 +26 04:11:18 +19.7956 +056.9067 +57 245 +28 04:11:29 +18.9092 +058.4642 +56 247 +29 04:11:41 +18.0226 +060.0401 +55 250 +31 04:11:52 +17.1356 +061.6382 +54 252 +33 04:12:04 +16.2477 +063.2623 +53 254 +35 04:12:15 +15.3584 +064.9169 +51 257 +37 04:12:27 +14.4672 +066.6068 +50 259 +38 04:12:39 +13.5737 +068.3378 +48 260 +40 04:12:50 +12.6772 +070.1162 +47 262 +42 04:13:02 +11.7771 +071.9497 +45 264 +44 04:13:13 +10.8725 +073.8473 +43 265 +47 04:13:25 +09.9625 +075.8200 +41 266 +49 04:13:36 +09.0460 +077.8813 +39 268 +51 04:13:48 +08.1217 +080.0486 +37 269 +53 04:14:00 +07.1878 +082.3443 +35 270 +56 04:14:11 +06.2419 +084.7991 +32 271 +59 04:14:23 +05.2809 +087.4562 +30 271 +61 04:14:34 +04.3001 +090.3809 +27 272 +64 04:14:46 +03.2918 +093.6805 +23 273 +68 04:14:58 +02.2419 +097.5567 +19 273 +72 04:15:09 +01.1172 +102.4916 +14 274 +76 04:15:21 -00.2406 +110.8126 +06 274 +82 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 04:03:46   +56.7873  -045.3807   +11  101  -39 04:03:58   +56.0381  -034.8806   +17  110  -36 04:04:09   +55.1187  -027.3453   +22  116  -34 04:04:21   +54.1314  -021.2773   +25  122  -32 04:04:32   +53.1120  -016.1351   +28  126  -30 04:04:44   +52.0777  -011.6448   +31  130  -28 04:04:55   +51.0376  -007.6432   +34  134  -26 04:05:07   +49.9973  -004.0238   +36  138  -25 04:05:19   +48.9600  -000.7116   +38  141  -23 04:05:30   +47.9279  +002.3478   +40  144  -21 04:05:42   +46.9022  +005.1962   +42  147  -19 04:05:53   +45.8836  +007.8657   +44  150  -18 04:06:05   +44.8727  +010.3822   +46  153  -16 04:06:17   +43.8695  +012.7666   +48  156  -14 04:06:28   +42.8742  +015.0362   +49  159  -13 04:06:40   +41.8866  +017.2053   +51  162  -11 04:06:51   +40.9065  +019.2862   +52  165  -09 04:07:03   +39.9338  +021.2893   +53  168  -08 04:07:14   +38.9682  +023.2235   +55  171  -06 04:07:26   +38.0094  +025.0967   +56  174  -05 04:07:38   +37.0572  +026.9159   +57  177  -03 04:07:49   +36.1112  +028.6870   +58  180  -01 04:08:01   +35.1711  +030.4156   +59  184  +00 04:08:12   +34.2366  +032.1065   +59  187  +02 04:08:24   +33.3074  +033.7642   +60  191  +03 04:08:35   +32.3832  +035.3928   +61  195  +05 04:08:47   +31.4636  +036.9959   +61  198  +07 04:08:59   +30.5484  +038.5771   +62  202  +08 04:09:10   +29.6373  +040.1397   +62  206  +10 04:09:22   +28.7300  +041.6866   +62  210  +11 04:09:33   +27.8260  +043.2208   +62  214  +13 04:09:45   +26.9253  +044.7451   +62  218  +14 04:09:56   +26.0274  +046.2623   +62  221  +16 04:10:08   +25.1320  +047.7749   +61  225  +18 04:10:20   +24.2388  +049.2858   +61  229  +19 04:10:31   +23.3476  +050.7974   +60  232  +21 04:10:43   +22.4580  +052.3125   +60  235  +23 04:10:54   +21.5697  +053.8339   +59  239  +24 04:11:06   +20.6823  +055.3643   +58  242  +26 04:11:18   +19.7956  +056.9067   +57  245  +28 04:11:29   +18.9092  +058.4642   +56  247  +29 04:11:41   +18.0226  +060.0401   +55  250  +31 04:11:52   +17.1356  +061.6382   +54  252  +33 04:12:04   +16.2477  +063.2623   +53  254  +35 04:12:15   +15.3584  +064.9169   +51  257  +37 04:12:27   +14.4672  +066.6068   +50  259  +38 04:12:39   +13.5737  +068.3378   +48  260  +40 04:12:50   +12.6772  +070.1162   +47  262  +42 04:13:02   +11.7771  +071.9497   +45  264  +44 04:13:13   +10.8725  +073.8473   +43  265  +47 04:13:25   +09.9625  +075.8200   +41  266  +49 04:13:36   +09.0460  +077.8813   +39  268  +51 04:13:48   +08.1217  +080.0486   +37  269  +53 04:14:00   +07.1878  +082.3443   +35  270  +56 04:14:11   +06.2419  +084.7991   +32  271  +59 04:14:23   +05.2809  +087.4562   +30  271  +61 04:14:34   +04.3001  +090.3809   +27  272  +64 04:14:46   +03.2918  +093.6805   +23  273  +68 04:14:58   +02.2419  +097.5567   +19  273  +72 04:15:09   +01.1172  +102.4916   +14  274  +76 04:15:21   -00.2406  +110.8126   +06  274  +82

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +57.7613 -048.8348 +55.7977 -042.6809 +57.0808 -036.7261 +55.0090 -033.3140 +56.1670 -028.5417 +54.0888 -026.3096 +55.1703 -022.0872 +53.1118 -020.5726 +54.1360 -016.6811 +52.1071 -015.6619 +53.0845 -011.9974 +51.0890 -011.3438 +52.0267 -007.8479 +50.0657 -007.4755 +50.9685 -004.1119 +49.0421 -003.9619 +49.9139 -000.7061 +48.0212 -000.7356 +48.8650 +002.4301 +47.0048 +002.2532 +47.8232 +005.3419 +45.9943 +005.0426 +46.7893 +008.0647 +44.9902 +007.6625 +45.7638 +010.6263 +43.9931 +010.1369 +44.7467 +013.0491 +43.0031 +012.4851 +43.7382 +015.3516 +42.0202 +014.7236 +42.7380 +017.5493 +41.0445 +016.8656 +41.7461 +019.6550 +40.0758 +018.9229 +40.7620 +021.6797 +39.1138 +020.9053 +39.7857 +023.6330 +38.1585 +022.8213 +38.8167 +025.5231 +37.2094 +024.6783 +37.8547 +027.3572 +36.2665 +026.4830 +36.8994 +029.1417 +35.3293 +028.2413 +35.9505 +030.8823 +34.3976 +029.9582 +35.0076 +032.5841 +33.4712 +031.6387 +34.0704 +034.2516 +32.5496 +033.2869 +33.1385 +035.8891 +31.6327 +034.9067 +32.2117 +037.5005 +30.7201 +036.5018 +31.2896 +039.0893 +29.8116 +038.0756 +30.3718 +040.6589 +28.9069 +039.6312 +29.4581 +042.2125 +28.0056 +041.1717 +28.5481 +043.7530 +27.1075 +042.6997 +27.6416 +045.2833 +26.2123 +044.2182 +26.7381 +046.8063 +25.3197 +045.7297 +25.8374 +048.3246 +24.4294 +047.2370 +24.9391 +049.8410 +23.5411 +048.7424 +24.0431 +051.3581 +22.6546 +050.2487 +23.1488 +052.8788 +21.7695 +051.7585 +22.2560 +054.4057 +20.8854 +053.2745 +21.3643 +055.9418 +20.0022 +054.7994 +20.4735 +057.4902 +19.1195 +056.3361 +19.5830 +059.0539 +18.2368 +057.8876 +18.6927 +060.6365 +17.3539 +059.4573 +17.8019 +062.2416 +16.4704 +061.0487 +16.9104 +063.8733 +15.5859 +062.6656 +16.0177 +065.5361 +14.6999 +064.3124 +15.1232 +067.2352 +13.8120 +065.9938 +14.2264 +068.9763 +12.9216 +067.7152 +13.3266 +070.7661 +12.0281 +069.4830 +12.4233 +072.6126 +11.1310 +071.3044 +11.5155 +074.5251 +10.2294 +073.1882 +10.6023 +076.5151 +09.3224 +075.1448 +09.6825 +078.5971 +08.4090 +077.1871 +08.7547 +080.7892 +07.4879 +079.3316 +07.8170 +083.1156 +06.5574 +081.5994 +06.8669 +085.6093 +05.6154 +084.0189 +05.9010 +088.3176 +04.6589 +086.6300 +04.9140 +091.3133 +03.6836 +089.4918 +03.8972 +094.7193 +02.6826 +092.6992 +02.8338 +098.7770 +01.6441 +096.4239 +01.6801 +104.1222 +00.5416 +101.0470 +00.8795 +104.3316 -00.7195 +107.9536 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.