Cora»OccDetail

Stellar Occultation by (205) Martha on 2026-10-10 (21:32:49 UT)

Event Details
Occultation UUID [and db] : 55096b10-d9b3-11f1-43f3-5472ff9fd1a8 [observed] Occultation Date + Time : 2026-10-10 at 21:32:49 UT +/- 0.0 min [1] Object Designation : (205) Martha Star Designation : GDR3 4152816699010698112 Star Coordinates (ICRF) : RA = 18 20 53.5189, DE = -12 47 28.582 [2] Star Magnitudes : G = 13.81 mag, RP = 12.76 mag, BP = 14.96 mag Object Magnitude : V = 14.88 mag Estimated Magnitude Drop : 1.4 mag Estimated Max. Duration : 3.4 sec Speed of the shadow : 23.5 km/s Object Mean Diameter : 80.9 km (src: astorb) => apparent = 40 mas Apparent Motion : 0.6950 arcs/min @ PA = 97 deg Horizontal Parallax : 3.1470 arcs Dynamical Class : MBA Elongation to Moon & Sun : 76° (sunlit = 0%), Sun = 78° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 55096b10-d9b3-11f1-43f3-5472ff9fd1a8 [observed]

 Occultation Date + Time   : 2026-10-10 at 21:32:49 UT +/- 0.0 min  [1]
 Object Designation        : (205) Martha
 Star Designation          : GDR3 4152816699010698112
 Star Coordinates (ICRF)   : RA = 18 20 53.5189, DE = -12 47 28.582  [2]
 Star Magnitudes           : G = 13.81 mag, RP = 12.76 mag, BP = 14.96 mag
 Object Magnitude          : V = 14.88 mag
 Estimated Magnitude Drop  : 1.4 mag
 Estimated Max. Duration   : 3.4 sec
 Speed of the shadow       : 23.5 km/s
 Object Mean Diameter      : 80.9 km  (src: astorb) => apparent = 40 mas
 Apparent Motion           : 0.6950 arcs/min @ PA = 97 deg
 Horizontal Parallax       : 3.1470 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 76° (sunlit = 0%), Sun = 78°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL80
 Note                      : FP:true

 
 [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

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 21:29:54 +51.9406 -129.1208 +06 120 +29 21:29:58 +50.4854 -123.5750 +10 124 +29 21:30:02 +49.4477 -119.7083 +12 127 +29 21:30:06 +48.5975 -116.5755 +15 130 +29 21:30:09 +47.8616 -113.8783 +16 132 +28 21:30:13 +47.2051 -111.4768 +18 134 +28 21:30:17 +46.6082 -109.2918 +19 136 +27 21:30:21 +46.0583 -107.2737 +21 137 +27 21:30:25 +45.5469 -105.3888 +22 139 +26 21:30:28 +45.0677 -103.6131 +23 141 +26 21:30:32 +44.6163 -101.9287 +24 142 +25 21:30:36 +44.1889 -100.3221 +25 144 +24 21:30:40 +43.7828 -098.7825 +26 145 +24 21:30:43 +43.3958 -097.3012 +27 146 +23 21:30:47 +43.0259 -095.8713 +28 148 +23 21:30:51 +42.6716 -094.4867 +29 149 +22 21:30:55 +42.3317 -093.1428 +30 150 +21 21:30:59 +42.0049 -091.8352 +31 152 +21 21:31:02 +41.6904 -090.5603 +31 153 +20 21:31:06 +41.3872 -089.3151 +32 154 +19 21:31:10 +41.0948 -088.0969 +33 155 +19 21:31:14 +40.8124 -086.9031 +33 157 +18 21:31:18 +40.5394 -085.7318 +34 158 +17 21:31:21 +40.2755 -084.5810 +35 159 +16 21:31:25 +40.0201 -083.4490 +35 160 +16 21:31:29 +39.7728 -082.3343 +36 162 +15 21:31:33 +39.5333 -081.2354 +36 163 +14 21:31:36 +39.3012 -080.1512 +37 164 +14 21:31:40 +39.0764 -079.0804 +37 165 +13 21:31:44 +38.8584 -078.0219 +37 167 +12 21:31:48 +38.6471 -076.9749 +38 168 +12 21:31:52 +38.4422 -075.9383 +38 169 +11 21:31:55 +38.2436 -074.9113 +38 170 +10 21:31:59 +38.0511 -073.8931 +39 172 +09 21:32:03 +37.8645 -072.8829 +39 173 +09 21:32:07 +37.6836 -071.8801 +39 174 +08 21:32:11 +37.5084 -070.8839 +40 175 +07 21:32:14 +37.3387 -069.8938 +40 177 +06 21:32:18 +37.1744 -068.9091 +40 178 +06 21:32:22 +37.0154 -067.9292 +40 179 +05 21:32:26 +36.8616 -066.9536 +40 181 +04 21:32:29 +36.7129 -065.9817 +40 182 +03 21:32:33 +36.5694 -065.0129 +41 183 +03 21:32:37 +36.4308 -064.0469 +41 184 +02 21:32:41 +36.2972 -063.0831 +41 186 +01 21:32:45 +36.1685 -062.1209 +41 187 +00 21:32:48 +36.0447 -061.1600 +41 188 +00 21:32:52 +35.9257 -060.1998 +41 189 -01 21:32:56 +35.8116 -059.2398 +41 191 -02 21:33:00 +35.7023 -058.2796 +41 192 -03 21:33:04 +35.5978 -057.3187 +41 193 -03 21:33:07 +35.4981 -056.3566 +41 194 -04 21:33:11 +35.4032 -055.3928 +40 196 -05 21:33:15 +35.3132 -054.4269 +40 197 -06 21:33:19 +35.2280 -053.4583 +40 198 -07 21:33:22 +35.1477 -052.4865 +40 199 -07 21:33:26 +35.0724 -051.5110 +40 201 -08 21:33:30 +35.0021 -050.5313 +40 202 -09 21:33:34 +34.9368 -049.5468 +39 203 -10 21:33:38 +34.8766 -048.5568 +39 204 -11 21:33:41 +34.8216 -047.5608 +39 205 -11 21:33:45 +34.7719 -046.5581 +38 207 -12 21:33:49 +34.7276 -045.5481 +38 208 -13 21:33:53 +34.6888 -044.5300 +38 209 -14 21:33:57 +34.6556 -043.5031 +37 210 -15 21:34:00 +34.6282 -042.4665 +37 211 -16 21:34:04 +34.6068 -041.4193 +36 213 -17 21:34:08 +34.5915 -040.3606 +36 214 -17 21:34:12 +34.5825 -039.2894 +35 215 -18 21:34:15 +34.5801 -038.2046 +35 216 -19 21:34:19 +34.5846 -037.1048 +34 217 -20 21:34:23 +34.5962 -035.9889 +34 218 -21 21:34:27 +34.6152 -034.8552 +33 219 -22 21:34:31 +34.6420 -033.7021 +33 221 -23 21:34:34 +34.6772 -032.5278 +32 222 -24 21:34:38 +34.7210 -031.3301 +31 223 -25 21:34:42 +34.7741 -030.1068 +30 224 -26 21:34:46 +34.8372 -028.8550 +30 225 -27 21:34:50 +34.9109 -027.5717 +29 226 -28 21:34:53 +34.9962 -026.2532 +28 227 -29 21:34:57 +35.0940 -024.8952 +27 228 -30 21:35:01 +35.2057 -023.4926 +26 230 -31 21:35:05 +35.3326 -022.0392 +25 231 -32 21:35:09 +35.4766 -020.5274 +24 232 -33 21:35:12 +35.6400 -018.9477 +23 233 -35 21:35:16 +35.8257 -017.2880 +22 234 -36 21:35:20 +36.0376 -015.5322 +20 236 -37 21:35:24 +36.2808 -013.6586 +19 237 -38 21:35:27 +36.5628 -011.6363 +17 238 -40 21:35:31 +36.8946 -009.4185 +16 240 -41 21:35:35 +37.2944 -006.9287 +14 242 -43 21:35:39 +37.7959 -004.0244 +12 244 -45 21:35:43 +38.4775 -000.3713 +09 246 -47 21:35:46 +39.6785 +005.4846 +04 250 -49 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:29:54   +51.9406  -129.1208   +06  120  +29 21:29:58   +50.4854  -123.5750   +10  124  +29 21:30:02   +49.4477  -119.7083   +12  127  +29 21:30:06   +48.5975  -116.5755   +15  130  +29 21:30:09   +47.8616  -113.8783   +16  132  +28 21:30:13   +47.2051  -111.4768   +18  134  +28 21:30:17   +46.6082  -109.2918   +19  136  +27 21:30:21   +46.0583  -107.2737   +21  137  +27 21:30:25   +45.5469  -105.3888   +22  139  +26 21:30:28   +45.0677  -103.6131   +23  141  +26 21:30:32   +44.6163  -101.9287   +24  142  +25 21:30:36   +44.1889  -100.3221   +25  144  +24 21:30:40   +43.7828  -098.7825   +26  145  +24 21:30:43   +43.3958  -097.3012   +27  146  +23 21:30:47   +43.0259  -095.8713   +28  148  +23 21:30:51   +42.6716  -094.4867   +29  149  +22 21:30:55   +42.3317  -093.1428   +30  150  +21 21:30:59   +42.0049  -091.8352   +31  152  +21 21:31:02   +41.6904  -090.5603   +31  153  +20 21:31:06   +41.3872  -089.3151   +32  154  +19 21:31:10   +41.0948  -088.0969   +33  155  +19 21:31:14   +40.8124  -086.9031   +33  157  +18 21:31:18   +40.5394  -085.7318   +34  158  +17 21:31:21   +40.2755  -084.5810   +35  159  +16 21:31:25   +40.0201  -083.4490   +35  160  +16 21:31:29   +39.7728  -082.3343   +36  162  +15 21:31:33   +39.5333  -081.2354   +36  163  +14 21:31:36   +39.3012  -080.1512   +37  164  +14 21:31:40   +39.0764  -079.0804   +37  165  +13 21:31:44   +38.8584  -078.0219   +37  167  +12 21:31:48   +38.6471  -076.9749   +38  168  +12 21:31:52   +38.4422  -075.9383   +38  169  +11 21:31:55   +38.2436  -074.9113   +38  170  +10 21:31:59   +38.0511  -073.8931   +39  172  +09 21:32:03   +37.8645  -072.8829   +39  173  +09 21:32:07   +37.6836  -071.8801   +39  174  +08 21:32:11   +37.5084  -070.8839   +40  175  +07 21:32:14   +37.3387  -069.8938   +40  177  +06 21:32:18   +37.1744  -068.9091   +40  178  +06 21:32:22   +37.0154  -067.9292   +40  179  +05 21:32:26   +36.8616  -066.9536   +40  181  +04 21:32:29   +36.7129  -065.9817   +40  182  +03 21:32:33   +36.5694  -065.0129   +41  183  +03 21:32:37   +36.4308  -064.0469   +41  184  +02 21:32:41   +36.2972  -063.0831   +41  186  +01 21:32:45   +36.1685  -062.1209   +41  187  +00 21:32:48   +36.0447  -061.1600   +41  188  +00 21:32:52   +35.9257  -060.1998   +41  189  -01 21:32:56   +35.8116  -059.2398   +41  191  -02 21:33:00   +35.7023  -058.2796   +41  192  -03 21:33:04   +35.5978  -057.3187   +41  193  -03 21:33:07   +35.4981  -056.3566   +41  194  -04 21:33:11   +35.4032  -055.3928   +40  196  -05 21:33:15   +35.3132  -054.4269   +40  197  -06 21:33:19   +35.2280  -053.4583   +40  198  -07 21:33:22   +35.1477  -052.4865   +40  199  -07 21:33:26   +35.0724  -051.5110   +40  201  -08 21:33:30   +35.0021  -050.5313   +40  202  -09 21:33:34   +34.9368  -049.5468   +39  203  -10 21:33:38   +34.8766  -048.5568   +39  204  -11 21:33:41   +34.8216  -047.5608   +39  205  -11 21:33:45   +34.7719  -046.5581   +38  207  -12 21:33:49   +34.7276  -045.5481   +38  208  -13 21:33:53   +34.6888  -044.5300   +38  209  -14 21:33:57   +34.6556  -043.5031   +37  210  -15 21:34:00   +34.6282  -042.4665   +37  211  -16 21:34:04   +34.6068  -041.4193   +36  213  -17 21:34:08   +34.5915  -040.3606   +36  214  -17 21:34:12   +34.5825  -039.2894   +35  215  -18 21:34:15   +34.5801  -038.2046   +35  216  -19 21:34:19   +34.5846  -037.1048   +34  217  -20 21:34:23   +34.5962  -035.9889   +34  218  -21 21:34:27   +34.6152  -034.8552   +33  219  -22 21:34:31   +34.6420  -033.7021   +33  221  -23 21:34:34   +34.6772  -032.5278   +32  222  -24 21:34:38   +34.7210  -031.3301   +31  223  -25 21:34:42   +34.7741  -030.1068   +30  224  -26 21:34:46   +34.8372  -028.8550   +30  225  -27 21:34:50   +34.9109  -027.5717   +29  226  -28 21:34:53   +34.9962  -026.2532   +28  227  -29 21:34:57   +35.0940  -024.8952   +27  228  -30 21:35:01   +35.2057  -023.4926   +26  230  -31 21:35:05   +35.3326  -022.0392   +25  231  -32 21:35:09   +35.4766  -020.5274   +24  232  -33 21:35:12   +35.6400  -018.9477   +23  233  -35 21:35:16   +35.8257  -017.2880   +22  234  -36 21:35:20   +36.0376  -015.5322   +20  236  -37 21:35:24   +36.2808  -013.6586   +19  237  -38 21:35:27   +36.5628  -011.6363   +17  238  -40 21:35:31   +36.8946  -009.4185   +16  240  -41 21:35:35   +37.2944  -006.9287   +14  242  -43 21:35:39   +37.7959  -004.0244   +12  244  -45 21:35:43   +38.4775  -000.3713   +09  246  -47 21:35:46   +39.6785  +005.4846   +04  250  -49

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +53.8909 -134.4557 +50.6134 -126.3040 +51.6638 -125.7534 +49.4325 -121.8563 +50.4532 -121.2080 +48.5096 -118.4339 +49.5133 -117.7345 +47.7277 -115.5573 +48.7196 -114.8238 +47.0387 -113.0317 +48.0216 -112.2728 +46.4172 -110.7551 +47.3929 -109.9759 +45.8477 -108.6661 +46.8175 -107.8701 +45.3202 -106.7246 +46.2851 -105.9141 +44.8275 -104.9027 +45.7881 -104.0793 +44.3644 -103.1800 +45.3214 -102.3449 +43.9268 -101.5409 +44.8807 -100.6952 +43.5116 -099.9736 +44.4628 -099.1180 +43.1163 -098.4684 +44.0653 -097.6035 +42.7390 -097.0177 +43.6859 -096.1440 +42.3778 -095.6151 +43.3231 -094.7329 +42.0315 -094.2553 +42.9754 -093.3649 +41.6988 -092.9337 +42.6415 -092.0354 +41.3787 -091.6466 +42.3204 -090.7404 +41.0702 -090.3906 +42.0113 -089.4768 +40.7728 -089.1628 +41.7132 -088.2414 +40.4856 -087.9607 +41.4257 -087.0318 +40.2080 -086.7820 +41.1479 -085.8456 +39.9396 -085.6248 +40.8795 -084.6809 +39.6799 -084.4871 +40.6199 -083.5358 +39.4285 -083.3676 +40.3687 -082.4087 +39.1849 -082.2646 +40.1255 -081.2981 +38.9489 -081.1769 +39.8900 -080.2028 +38.7201 -080.1033 +39.6619 -079.1214 +38.4983 -079.0426 +39.4409 -078.0528 +38.2832 -077.9938 +39.2268 -076.9961 +38.0746 -076.9560 +39.0192 -075.9502 +37.8723 -075.9283 +38.8181 -074.9142 +37.6761 -074.9099 +38.6232 -073.8873 +37.4858 -073.9000 +38.4343 -072.8688 +37.3013 -072.8979 +38.2514 -071.8579 +37.1225 -071.9028 +38.0742 -070.8538 +36.9491 -070.9143 +37.9027 -069.8560 +36.7812 -069.9315 +37.7366 -068.8638 +36.6185 -068.9540 +37.5760 -067.8765 +36.4610 -067.9812 +37.4207 -066.8937 +36.3087 -067.0125 +37.2707 -065.9147 +36.1614 -066.0474 +37.1258 -064.9390 +36.0190 -065.0854 +36.9861 -063.9661 +35.8816 -064.1260 +36.8514 -062.9954 +35.7491 -063.1688 +36.7217 -062.0265 +35.6213 -062.2131 +36.5970 -061.0588 +35.4984 -061.2587 +36.4772 -060.0919 +35.3802 -060.3049 +36.3624 -059.1252 +35.2668 -059.3514 +36.2524 -058.1583 +35.1581 -058.3976 +36.1474 -057.1907 +35.0541 -057.4432 +36.0472 -056.2218 +34.9548 -056.4876 +35.9520 -055.2513 +34.8603 -055.5304 +35.8617 -054.2785 +34.7705 -054.5711 +35.7763 -053.3029 +34.6855 -053.6092 +35.6960 -052.3241 +34.6054 -052.6442 +35.6207 -051.3415 +34.5300 -051.6756 +35.5504 -050.3545 +34.4596 -050.7028 +35.4853 -049.3625 +34.3941 -049.7254 +35.4255 -048.3649 +34.3336 -048.7428 +35.3709 -047.3611 +34.2782 -047.7543 +35.3217 -046.3504 +34.2280 -046.7593 +35.2781 -045.3321 +34.1831 -045.7572 +35.2400 -044.3054 +34.1435 -044.7473 +35.2078 -043.2696 +34.1095 -043.7289 +35.1814 -042.2237 +34.0812 -042.7011 +35.1612 -041.1669 +34.0586 -041.6631 +35.1472 -040.0982 +34.0421 -040.6140 +35.1398 -039.0165 +34.0317 -039.5528 +35.1391 -037.9205 +34.0277 -038.4785 +35.1454 -036.8091 +34.0304 -037.3899 +35.1591 -035.6807 +34.0400 -036.2856 +35.1805 -034.5339 +34.0568 -035.1644 +35.2100 -033.3667 +34.0813 -034.0246 +35.2480 -032.1774 +34.1137 -032.8645 +35.2950 -030.9635 +34.1545 -031.6821 +35.3518 -029.7226 +34.2043 -030.4752 +35.4188 -028.4517 +34.2637 -029.2413 +35.4971 -027.1475 +34.3332 -027.9775 +35.5874 -025.8059 +34.4138 -026.6805 +35.6910 -024.4223 +34.5064 -025.3462 +35.8092 -022.9910 +34.6120 -023.9700 +35.9436 -021.5051 +34.7321 -022.5464 +36.0963 -019.9560 +34.8682 -021.0685 +36.2699 -018.3330 +35.0224 -019.5280 +36.4678 -016.6221 +35.1973 -017.9141 +36.6944 -014.8044 +35.3961 -016.2130 +36.9561 -012.8540 +35.6233 -014.4063 +37.2618 -010.7325 +35.8850 -012.4685 +37.6259 -008.3802 +36.1901 -010.3621 +38.0731 -005.6927 +36.5525 -008.0287 +38.6539 -002.4549 +36.9960 -005.3672 +39.5162 +001.9639 +37.5693 -002.1712 +39.3908 +002.3169 +38.4106 +002.1500 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.