Cora»OccDetail

Stellar Occultation by (209) Dido on 2025-11-25 (20:40:49 UT)

Event Details
Occultation UUID [and db] : cda1a850-ddb8-11f0-547e-d89093e647f9 [observed] Occultation Date + Time : 2025-11-25 at 20:40:49 UT +/- 0.01 min [1] Object Designation : (209) Dido Star Designation : GDR3 3454287444211696512 Star Coordinates (ICRF) : RA = 05 48 50.0664, DE = +33 11 28.726 [2] Star Magnitudes : G = 14.87 mag, RP = 14.04 mag, BP = 15.6 mag Object Magnitude : V = 13.35 mag Estimated Magnitude Drop : 0.2 mag Estimated Max. Duration : 13.3 sec Speed of the shadow : 12.0 km/s Object Mean Diameter : 159.9 km (src: astorb) => apparent = 92 mas Apparent Motion : 0.4150 arcs/min @ PA = 279 deg Horizontal Parallax : 3.6650 arcs Dynamical Class : MBA Elongation to Moon & Sun : 142° (sunlit = 26%), Sun = 154° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#138 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : cda1a850-ddb8-11f0-547e-d89093e647f9 [observed]

 Occultation Date + Time   : 2025-11-25 at 20:40:49 UT +/- 0.01 min  [1]
 Object Designation        : (209) Dido
 Star Designation          : GDR3 3454287444211696512
 Star Coordinates (ICRF)   : RA = 05 48 50.0664, DE = +33 11 28.726  [2]
 Star Magnitudes           : G = 14.87 mag, RP = 14.04 mag, BP = 15.6 mag
 Object Magnitude          : V = 13.35 mag
 Estimated Magnitude Drop  : 0.2 mag
 Estimated Max. Duration   : 13.3 sec
 Speed of the shadow       : 12.0 km/s
 Object Mean Diameter      : 159.9 km  (src: astorb) => apparent = 92 mas
 Apparent Motion           : 0.4150 arcs/min @ PA = 279 deg
 Horizontal Parallax       : 3.6650 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 142° (sunlit = 26%), Sun = 154°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#138
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

(If error 404: link not valid which means no data available)

Interactive map

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Aladin Sky Atlas

Aladin Lite direct link (has Gaia overlay)

Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 20:32:38 +15.5643 +159.4921 +12 301 +13 20:32:53 +18.9840 +154.5203 +18 300 +07 20:33:07 +21.5850 +150.7056 +22 298 +03 20:33:22 +23.7789 +147.4386 +26 297 -01 20:33:37 +25.7149 +144.4997 +29 295 -04 20:33:51 +27.4674 +141.7798 +32 294 -07 20:34:06 +29.0798 +139.2153 +35 292 -09 20:34:21 +30.5799 +136.7652 +37 290 -12 20:34:35 +31.9868 +134.4011 +39 289 -14 20:34:50 +33.3143 +132.1022 +42 287 -16 20:35:05 +34.5726 +129.8528 +44 285 -18 20:35:19 +35.7694 +127.6405 +46 283 -20 20:35:34 +36.9108 +125.4553 +48 281 -22 20:35:49 +38.0016 +123.2891 +49 279 -24 20:36:03 +39.0456 +121.1347 +51 277 -26 20:36:18 +40.0459 +118.9865 +53 274 -27 20:36:33 +41.0049 +116.8391 +55 272 -29 20:36:47 +41.9245 +114.6880 +56 269 -31 20:37:02 +42.8065 +112.5293 +58 266 -32 20:37:17 +43.6519 +110.3594 +59 263 -34 20:37:31 +44.4618 +108.1750 +61 260 -35 20:37:46 +45.2370 +105.9733 +62 256 -37 20:38:01 +45.9778 +103.7517 +63 253 -38 20:38:15 +46.6846 +101.5079 +64 249 -39 20:38:30 +47.3576 +099.2397 +65 245 -41 20:38:45 +47.9968 +096.9455 +66 240 -42 20:38:59 +48.6021 +094.6236 +67 235 -43 20:39:14 +49.1732 +092.2727 +68 230 -44 20:39:29 +49.7097 +089.8917 +69 225 -46 20:39:43 +50.2113 +087.4798 +70 219 -47 20:39:58 +50.6774 +085.0364 +70 213 -48 20:40:12 +51.1074 +082.5611 +71 207 -49 20:40:27 +51.5006 +080.0541 +71 201 -50 20:40:42 +51.8564 +077.5154 +71 194 -51 20:40:56 +52.1740 +074.9457 +71 188 -52 20:41:11 +52.4524 +072.3456 +71 181 -53 20:41:26 +52.6910 +069.7162 +70 175 -54 20:41:40 +52.8889 +067.0588 +70 168 -54 20:41:55 +53.0451 +064.3749 +69 162 -55 20:42:10 +53.1587 +061.6662 +69 156 -56 20:42:24 +53.2289 +058.9346 +68 151 -56 20:42:39 +53.2547 +056.1821 +67 145 -57 20:42:54 +53.2352 +053.4109 +66 140 -57 20:43:08 +53.1694 +050.6231 +65 135 -58 20:43:23 +53.0564 +047.8209 +64 130 -58 20:43:38 +52.8952 +045.0063 +63 126 -58 20:43:52 +52.6848 +042.1814 +62 122 -58 20:44:07 +52.4241 +039.3479 +60 118 -58 20:44:22 +52.1118 +036.5072 +59 114 -58 20:44:36 +51.7468 +033.6605 +57 110 -58 20:44:51 +51.3276 +030.8084 +56 106 -57 20:45:06 +50.8525 +027.9511 +54 103 -57 20:45:20 +50.3197 +025.0880 +53 099 -57 20:45:35 +49.7269 +022.2180 +51 096 -56 20:45:50 +49.0713 +019.3389 +49 093 -55 20:46:04 +48.3497 +016.4473 +47 090 -54 20:46:19 +47.5581 +013.5389 +45 087 -53 20:46:34 +46.6914 +010.6073 +43 084 -52 20:46:48 +45.7430 +007.6441 +41 082 -51 20:47:03 +44.7046 +004.6380 +39 079 -49 20:47:18 +43.5650 +001.5739 +37 076 -48 20:47:32 +42.3091 -001.5692 +34 074 -46 20:47:47 +40.9155 -004.8212 +31 071 -44 20:48:02 +39.3523 -008.2265 +29 069 -41 20:48:16 +37.5690 -011.8559 +25 066 -39 20:48:31 +35.4767 -015.8348 +22 064 -36 20:48:45 +32.8880 -020.4283 +17 061 -32 20:49:00 +29.2292 -026.4577 +11 058 -26 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:32:38   +15.5643  +159.4921   +12  301  +13 20:32:53   +18.9840  +154.5203   +18  300  +07 20:33:07   +21.5850  +150.7056   +22  298  +03 20:33:22   +23.7789  +147.4386   +26  297  -01 20:33:37   +25.7149  +144.4997   +29  295  -04 20:33:51   +27.4674  +141.7798   +32  294  -07 20:34:06   +29.0798  +139.2153   +35  292  -09 20:34:21   +30.5799  +136.7652   +37  290  -12 20:34:35   +31.9868  +134.4011   +39  289  -14 20:34:50   +33.3143  +132.1022   +42  287  -16 20:35:05   +34.5726  +129.8528   +44  285  -18 20:35:19   +35.7694  +127.6405   +46  283  -20 20:35:34   +36.9108  +125.4553   +48  281  -22 20:35:49   +38.0016  +123.2891   +49  279  -24 20:36:03   +39.0456  +121.1347   +51  277  -26 20:36:18   +40.0459  +118.9865   +53  274  -27 20:36:33   +41.0049  +116.8391   +55  272  -29 20:36:47   +41.9245  +114.6880   +56  269  -31 20:37:02   +42.8065  +112.5293   +58  266  -32 20:37:17   +43.6519  +110.3594   +59  263  -34 20:37:31   +44.4618  +108.1750   +61  260  -35 20:37:46   +45.2370  +105.9733   +62  256  -37 20:38:01   +45.9778  +103.7517   +63  253  -38 20:38:15   +46.6846  +101.5079   +64  249  -39 20:38:30   +47.3576  +099.2397   +65  245  -41 20:38:45   +47.9968  +096.9455   +66  240  -42 20:38:59   +48.6021  +094.6236   +67  235  -43 20:39:14   +49.1732  +092.2727   +68  230  -44 20:39:29   +49.7097  +089.8917   +69  225  -46 20:39:43   +50.2113  +087.4798   +70  219  -47 20:39:58   +50.6774  +085.0364   +70  213  -48 20:40:12   +51.1074  +082.5611   +71  207  -49 20:40:27   +51.5006  +080.0541   +71  201  -50 20:40:42   +51.8564  +077.5154   +71  194  -51 20:40:56   +52.1740  +074.9457   +71  188  -52 20:41:11   +52.4524  +072.3456   +71  181  -53 20:41:26   +52.6910  +069.7162   +70  175  -54 20:41:40   +52.8889  +067.0588   +70  168  -54 20:41:55   +53.0451  +064.3749   +69  162  -55 20:42:10   +53.1587  +061.6662   +69  156  -56 20:42:24   +53.2289  +058.9346   +68  151  -56 20:42:39   +53.2547  +056.1821   +67  145  -57 20:42:54   +53.2352  +053.4109   +66  140  -57 20:43:08   +53.1694  +050.6231   +65  135  -58 20:43:23   +53.0564  +047.8209   +64  130  -58 20:43:38   +52.8952  +045.0063   +63  126  -58 20:43:52   +52.6848  +042.1814   +62  122  -58 20:44:07   +52.4241  +039.3479   +60  118  -58 20:44:22   +52.1118  +036.5072   +59  114  -58 20:44:36   +51.7468  +033.6605   +57  110  -58 20:44:51   +51.3276  +030.8084   +56  106  -57 20:45:06   +50.8525  +027.9511   +54  103  -57 20:45:20   +50.3197  +025.0880   +53  099  -57 20:45:35   +49.7269  +022.2180   +51  096  -56 20:45:50   +49.0713  +019.3389   +49  093  -55 20:46:04   +48.3497  +016.4473   +47  090  -54 20:46:19   +47.5581  +013.5389   +45  087  -53 20:46:34   +46.6914  +010.6073   +43  084  -52 20:46:48   +45.7430  +007.6441   +41  082  -51 20:47:03   +44.7046  +004.6380   +39  079  -49 20:47:18   +43.5650  +001.5739   +37  076  -48 20:47:32   +42.3091  -001.5692   +34  074  -46 20:47:47   +40.9155  -004.8212   +31  071  -44 20:48:02   +39.3523  -008.2265   +29  069  -41 20:48:16   +37.5690  -011.8559   +25  066  -39 20:48:31   +35.4767  -015.8348   +22  064  -36 20:48:45   +32.8880  -020.4283   +17  061  -32 20:49:00   +29.2292  -026.4577   +11  058  -26

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +15.5403 +158.1782 +15.5042 +160.9334 +18.7765 +153.4620 +19.1555 +155.6352 +21.2957 +149.7531 +21.8504 +151.6981 +23.4387 +146.5466 +24.1006 +148.3634 +25.3380 +143.6479 +26.0765 +145.3803 +27.0617 +140.9573 +27.8600 +142.6287 +28.6501 +138.4156 +29.4980 +140.0399 +30.1294 +135.9841 +31.0201 +137.5702 +31.5178 +133.6358 +32.4466 +135.1895 +32.8283 +131.3509 +33.7919 +132.8761 +34.0709 +129.1144 +35.0666 +130.6135 +35.2530 +126.9142 +36.2788 +128.3889 +36.3804 +124.7408 +37.4349 +126.1918 +37.4578 +122.5862 +38.5396 +124.0137 +38.4889 +120.4437 +39.5970 +121.8476 +39.4767 +118.3075 +40.6103 +119.6871 +40.4236 +116.1728 +41.5819 +117.5269 +41.3314 +114.0351 +42.5138 +115.3625 +42.2018 +111.8905 +43.4077 +113.1896 +43.0360 +109.7356 +44.2649 +111.0044 +43.8350 +107.5674 +45.0863 +108.8038 +44.5994 +105.3830 +45.8726 +106.5845 +45.3298 +103.1799 +46.6243 +104.3441 +46.0264 +100.9561 +47.3417 +102.0799 +46.6896 +098.7094 +48.0250 +099.7899 +47.3192 +096.4382 +48.6742 +097.4721 +47.9152 +094.1409 +49.2891 +095.1248 +48.4775 +091.8163 +49.8694 +092.7468 +49.0056 +089.4635 +50.4148 +090.3367 +49.4992 +087.0814 +50.9247 +087.8938 +49.9578 +084.6698 +51.3986 +085.4175 +50.3809 +082.2281 +51.8359 +082.9074 +50.7678 +079.7564 +52.2359 +080.3635 +51.1178 +077.2549 +52.5976 +077.7861 +51.4303 +074.7240 +52.9205 +075.1757 +51.7045 +072.1643 +53.2035 +072.5333 +51.9395 +069.5768 +53.4458 +069.8599 +52.1346 +066.9627 +53.6465 +067.1571 +52.2889 +064.3232 +53.8046 +064.4265 +52.4016 +061.6600 +53.9192 +061.6700 +52.4717 +058.9747 +53.9894 +058.8897 +52.4985 +056.2690 +54.0141 +056.0879 +52.4809 +053.5450 +53.9925 +053.2671 +52.4181 +050.8046 +53.9235 +050.4296 +52.3091 +048.0495 +53.8063 +047.5778 +52.1530 +045.2818 +53.6397 +044.7142 +51.9487 +042.5032 +53.4227 +041.8409 +51.6951 +039.7150 +53.1544 +038.9598 +51.3911 +036.9188 +52.8334 +036.0728 +51.0354 +034.1153 +52.4585 +033.1811 +50.6266 +031.3051 +52.0282 +030.2854 +50.1630 +028.4883 +51.5410 +027.3861 +49.6427 +025.6642 +50.9949 +024.4827 +49.0635 +022.8317 +50.3876 +021.5740 +48.4228 +019.9886 +49.7164 +018.6578 +47.7173 +017.1318 +48.9779 +015.7308 +46.9430 +014.2567 +48.1680 +012.7882 +46.0950 +011.3575 +47.2814 +009.8234 +45.1670 +008.4260 +46.3114 +006.8278 +44.1509 +005.4515 +45.2494 +003.7895 +43.0361 +002.4195 +44.0836 +000.6925 +41.8081 -000.6900 +42.7981 -002.4854 +40.4466 -003.9051 +41.3702 -005.7758 +38.9218 -007.2674 +39.7657 -009.2265 +37.1869 -010.8426 +37.9299 -012.9143 +35.1610 -014.7446 +35.7638 -016.9783 +32.6801 -019.2060 +33.0510 -021.7249 +29.2820 -024.8883 +29.0496 -028.2156 Azimuth (Azm) measured from North to East.

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.