Cora»OccDetail

Stellar Occultation by (604) Tekmessa on 2026-04-17 (04:36:29 UT)

Event Details
Occultation UUID [and db] : 586fa4e0-33cd-11f1-6999-ab3efddf24f9 [asteroids] Occultation Date + Time : 2026-04-17 at 04:36:29 UT +/- 0.01 min [1] Object Designation : (604) Tekmessa Star Designation : GDR3 6755205656432345088 Star Coordinates (ICRF) : RA = 19 48 54.9565, DE = -25 49 48.031 [2] Star Magnitudes : G = 11.97 mag, RP = 11.22 mag, BP = 12.6 mag Object Magnitude : V = 15.67 mag Estimated Magnitude Drop : 3.7 mag Estimated Max. Duration : 4.4 sec Speed of the shadow : 14.8 km/s Object Mean Diameter : 65.2 km (src: astorb) => apparent = 28 mas Apparent Motion : 0.3817 arcs/min @ PA = 88 deg Horizontal Parallax : 2.7430 arcs Dynamical Class : MBA Elongation to Moon & Sun : 89° (sunlit = 0%), Sun = 93° Cross-track uncertainty : 1.0 mas = 2 km = 0.04 path-width (1-sig) RUWE and duplicate source : 1.4 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#74 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 586fa4e0-33cd-11f1-6999-ab3efddf24f9 [asteroids]

 Occultation Date + Time   : 2026-04-17 at 04:36:29 UT +/- 0.01 min  [1]
 Object Designation        : (604) Tekmessa
 Star Designation          : GDR3 6755205656432345088
 Star Coordinates (ICRF)   : RA = 19 48 54.9565, DE = -25 49 48.031  [2]
 Star Magnitudes           : G = 11.97 mag, RP = 11.22 mag, BP = 12.6 mag
 Object Magnitude          : V = 15.67 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 4.4 sec
 Speed of the shadow       : 14.8 km/s
 Object Mean Diameter      : 65.2 km  (src: astorb) => apparent = 28 mas
 Apparent Motion           : 0.3817 arcs/min @ PA = 88 deg
 Horizontal Parallax       : 2.7430 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 89° (sunlit = 0%), Sun = 93°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.4 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#74
 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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Interactive map

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 04:33:01 +48.4402 -026.9770 +03 136 -21 04:33:05 +46.2049 -022.8413 +07 139 -20 04:33:10 +44.8808 -020.2161 +09 141 -20 04:33:15 +43.8747 -018.1100 +11 142 -19 04:33:20 +43.0476 -016.2920 +12 144 -18 04:33:25 +42.3399 -014.6631 +13 145 -18 04:33:30 +41.7194 -013.1702 +14 146 -17 04:33:34 +41.1666 -011.7808 +15 147 -17 04:33:39 +40.6682 -010.4733 +16 148 -16 04:33:44 +40.2152 -009.2326 +17 149 -15 04:33:49 +39.8006 -008.0474 +18 150 -15 04:33:54 +39.4195 -006.9094 +19 151 -14 04:33:59 +39.0676 -005.8119 +20 152 -14 04:34:04 +38.7419 -004.7496 +20 153 -13 04:34:08 +38.4398 -003.7182 +21 154 -12 04:34:13 +38.1589 -002.7141 +22 155 -12 04:34:18 +37.8977 -001.7342 +22 156 -11 04:34:23 +37.6544 -000.7762 +23 157 -10 04:34:28 +37.4279 +000.1624 +23 157 -10 04:34:33 +37.2170 +001.0832 +24 158 -09 04:34:37 +37.0208 +001.9881 +24 159 -09 04:34:42 +36.8384 +002.8785 +24 160 -08 04:34:47 +36.6690 +003.7557 +25 161 -07 04:34:52 +36.5121 +004.6208 +25 162 -07 04:34:57 +36.3671 +005.4749 +26 162 -06 04:35:02 +36.2333 +006.3189 +26 163 -05 04:35:07 +36.1105 +007.1538 +26 164 -05 04:35:11 +35.9982 +007.9803 +27 165 -04 04:35:16 +35.8961 +008.7992 +27 166 -04 04:35:21 +35.8037 +009.6110 +27 166 -03 04:35:26 +35.7209 +010.4165 +27 167 -02 04:35:31 +35.6475 +011.2163 +28 168 -02 04:35:36 +35.5830 +012.0109 +28 169 -01 04:35:40 +35.5275 +012.8008 +28 170 +00 04:35:45 +35.4807 +013.5865 +28 170 +00 04:35:50 +35.4424 +014.3685 +28 171 +01 04:35:55 +35.4126 +015.1472 +28 172 +01 04:36:00 +35.3911 +015.9231 +28 173 +02 04:36:05 +35.3778 +016.6967 +29 174 +03 04:36:10 +35.3727 +017.4682 +29 174 +03 04:36:14 +35.3756 +018.2381 +29 175 +04 04:36:19 +35.3866 +019.0069 +29 176 +05 04:36:24 +35.4057 +019.7748 +29 177 +05 04:36:29 +35.4328 +020.5423 +29 178 +06 04:36:34 +35.4679 +021.3098 +29 179 +06 04:36:39 +35.5110 +022.0776 +29 179 +07 04:36:43 +35.5622 +022.8462 +29 180 +08 04:36:48 +35.6216 +023.6158 +29 181 +08 04:36:53 +35.6892 +024.3870 +28 182 +09 04:36:58 +35.7650 +025.1601 +28 183 +10 04:37:03 +35.8493 +025.9355 +28 183 +10 04:37:08 +35.9420 +026.7137 +28 184 +11 04:37:13 +36.0435 +027.4951 +28 185 +12 04:37:17 +36.1537 +028.2802 +28 186 +12 04:37:22 +36.2729 +029.0694 +28 187 +13 04:37:27 +36.4013 +029.8633 +27 187 +14 04:37:32 +36.5392 +030.6624 +27 188 +14 04:37:37 +36.6868 +031.4672 +27 189 +15 04:37:42 +36.8444 +032.2785 +27 190 +16 04:37:46 +37.0123 +033.0967 +26 191 +16 04:37:51 +37.1909 +033.9227 +26 192 +17 04:37:56 +37.3807 +034.7573 +26 192 +18 04:38:01 +37.5820 +035.6011 +25 193 +18 04:38:06 +37.7955 +036.4552 +25 194 +19 04:38:11 +38.0216 +037.3206 +25 195 +20 04:38:16 +38.2611 +038.1983 +24 196 +20 04:38:20 +38.5148 +039.0896 +24 196 +21 04:38:25 +38.7834 +039.9959 +23 197 +22 04:38:30 +39.0680 +040.9188 +23 198 +23 04:38:35 +39.3697 +041.8600 +22 199 +23 04:38:40 +39.6898 +042.8216 +22 200 +24 04:38:45 +40.0299 +043.8060 +21 201 +25 04:38:49 +40.3917 +044.8160 +21 202 +25 04:38:54 +40.7775 +045.8549 +20 203 +26 04:38:59 +41.1897 +046.9267 +19 204 +27 04:39:04 +41.6317 +048.0362 +18 204 +28 04:39:09 +42.1074 +049.1895 +18 205 +28 04:39:14 +42.6217 +050.3942 +17 206 +29 04:39:19 +43.1811 +051.6602 +16 208 +30 04:39:23 +43.7945 +053.0009 +15 209 +31 04:39:28 +44.4740 +054.4348 +14 210 +32 04:39:33 +45.2374 +055.9893 +12 211 +32 04:39:38 +46.1130 +057.7076 +11 212 +33 04:39:43 +47.1500 +059.6655 +09 214 +34 04:39:48 +48.4516 +062.0222 +08 216 +35 04:39:52 +50.3322 +065.2648 +05 218 +36 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 04:33:01   +48.4402  -026.9770   +03  136  -21 04:33:05   +46.2049  -022.8413   +07  139  -20 04:33:10   +44.8808  -020.2161   +09  141  -20 04:33:15   +43.8747  -018.1100   +11  142  -19 04:33:20   +43.0476  -016.2920   +12  144  -18 04:33:25   +42.3399  -014.6631   +13  145  -18 04:33:30   +41.7194  -013.1702   +14  146  -17 04:33:34   +41.1666  -011.7808   +15  147  -17 04:33:39   +40.6682  -010.4733   +16  148  -16 04:33:44   +40.2152  -009.2326   +17  149  -15 04:33:49   +39.8006  -008.0474   +18  150  -15 04:33:54   +39.4195  -006.9094   +19  151  -14 04:33:59   +39.0676  -005.8119   +20  152  -14 04:34:04   +38.7419  -004.7496   +20  153  -13 04:34:08   +38.4398  -003.7182   +21  154  -12 04:34:13   +38.1589  -002.7141   +22  155  -12 04:34:18   +37.8977  -001.7342   +22  156  -11 04:34:23   +37.6544  -000.7762   +23  157  -10 04:34:28   +37.4279  +000.1624   +23  157  -10 04:34:33   +37.2170  +001.0832   +24  158  -09 04:34:37   +37.0208  +001.9881   +24  159  -09 04:34:42   +36.8384  +002.8785   +24  160  -08 04:34:47   +36.6690  +003.7557   +25  161  -07 04:34:52   +36.5121  +004.6208   +25  162  -07 04:34:57   +36.3671  +005.4749   +26  162  -06 04:35:02   +36.2333  +006.3189   +26  163  -05 04:35:07   +36.1105  +007.1538   +26  164  -05 04:35:11   +35.9982  +007.9803   +27  165  -04 04:35:16   +35.8961  +008.7992   +27  166  -04 04:35:21   +35.8037  +009.6110   +27  166  -03 04:35:26   +35.7209  +010.4165   +27  167  -02 04:35:31   +35.6475  +011.2163   +28  168  -02 04:35:36   +35.5830  +012.0109   +28  169  -01 04:35:40   +35.5275  +012.8008   +28  170  +00 04:35:45   +35.4807  +013.5865   +28  170  +00 04:35:50   +35.4424  +014.3685   +28  171  +01 04:35:55   +35.4126  +015.1472   +28  172  +01 04:36:00   +35.3911  +015.9231   +28  173  +02 04:36:05   +35.3778  +016.6967   +29  174  +03 04:36:10   +35.3727  +017.4682   +29  174  +03 04:36:14   +35.3756  +018.2381   +29  175  +04 04:36:19   +35.3866  +019.0069   +29  176  +05 04:36:24   +35.4057  +019.7748   +29  177  +05 04:36:29   +35.4328  +020.5423   +29  178  +06 04:36:34   +35.4679  +021.3098   +29  179  +06 04:36:39   +35.5110  +022.0776   +29  179  +07 04:36:43   +35.5622  +022.8462   +29  180  +08 04:36:48   +35.6216  +023.6158   +29  181  +08 04:36:53   +35.6892  +024.3870   +28  182  +09 04:36:58   +35.7650  +025.1601   +28  183  +10 04:37:03   +35.8493  +025.9355   +28  183  +10 04:37:08   +35.9420  +026.7137   +28  184  +11 04:37:13   +36.0435  +027.4951   +28  185  +12 04:37:17   +36.1537  +028.2802   +28  186  +12 04:37:22   +36.2729  +029.0694   +28  187  +13 04:37:27   +36.4013  +029.8633   +27  187  +14 04:37:32   +36.5392  +030.6624   +27  188  +14 04:37:37   +36.6868  +031.4672   +27  189  +15 04:37:42   +36.8444  +032.2785   +27  190  +16 04:37:46   +37.0123  +033.0967   +26  191  +16 04:37:51   +37.1909  +033.9227   +26  192  +17 04:37:56   +37.3807  +034.7573   +26  192  +18 04:38:01   +37.5820  +035.6011   +25  193  +18 04:38:06   +37.7955  +036.4552   +25  194  +19 04:38:11   +38.0216  +037.3206   +25  195  +20 04:38:16   +38.2611  +038.1983   +24  196  +20 04:38:20   +38.5148  +039.0896   +24  196  +21 04:38:25   +38.7834  +039.9959   +23  197  +22 04:38:30   +39.0680  +040.9188   +23  198  +23 04:38:35   +39.3697  +041.8600   +22  199  +23 04:38:40   +39.6898  +042.8216   +22  200  +24 04:38:45   +40.0299  +043.8060   +21  201  +25 04:38:49   +40.3917  +044.8160   +21  202  +25 04:38:54   +40.7775  +045.8549   +20  203  +26 04:38:59   +41.1897  +046.9267   +19  204  +27 04:39:04   +41.6317  +048.0362   +18  204  +28 04:39:09   +42.1074  +049.1895   +18  205  +28 04:39:14   +42.6217  +050.3942   +17  206  +29 04:39:19   +43.1811  +051.6602   +16  208  +30 04:39:23   +43.7945  +053.0009   +15  209  +31 04:39:28   +44.4740  +054.4348   +14  210  +32 04:39:33   +45.2374  +055.9893   +12  211  +32 04:39:38   +46.1130  +057.7076   +11  212  +33 04:39:43   +47.1500  +059.6655   +09  214  +34 04:39:48   +48.4516  +062.0222   +08  216  +35 04:39:52   +50.3322  +065.2648   +05  218  +36

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +50.9655 -030.2902 +46.0677 -024.0021 +48.3617 -025.4236 +44.6483 -021.2117 +46.4038 -021.7653 +43.5946 -019.0244 +45.1531 -019.2672 +42.7367 -017.1556 +44.1863 -017.2278 +42.0066 -015.4912 +43.3854 -015.4528 +41.3685 -013.9717 +42.6974 -013.8545 +40.8010 -012.5614 +42.0927 -012.3847 +40.2901 -011.2372 +41.5530 -011.0135 +39.8259 -009.9828 +41.0662 -009.7207 +39.4013 -008.7862 +40.6234 -008.4920 +39.0110 -007.6385 +40.2182 -007.3170 +38.6506 -006.5328 +39.8457 -006.1874 +38.3168 -005.4635 +39.5020 -005.0971 +38.0070 -004.4261 +39.1840 -004.0409 +37.7188 -003.4169 +38.8891 -003.0146 +37.4505 -002.4327 +38.6154 -002.0149 +37.2004 -001.4709 +38.3610 -001.0388 +36.9672 -000.5293 +38.1244 -000.0837 +36.7498 +000.3942 +37.9045 +000.8523 +36.5471 +001.3012 +37.7001 +001.7711 +36.3583 +002.1932 +37.5102 +002.6744 +36.1827 +003.0716 +37.3341 +003.5636 +36.0195 +003.9375 +37.1711 +004.4400 +35.8683 +004.7921 +37.0204 +005.3048 +35.7283 +005.6364 +36.8816 +006.1588 +35.5993 +006.4711 +36.7542 +007.0032 +35.4808 +007.2971 +36.6377 +007.8387 +35.3723 +008.1151 +36.5317 +008.6661 +35.2737 +008.9259 +36.4359 +009.4862 +35.1846 +009.7301 +36.3500 +010.2996 +35.1046 +010.5282 +36.2737 +011.1069 +35.0338 +011.3208 +36.2068 +011.9088 +34.9717 +012.1084 +36.1491 +012.7058 +34.9182 +012.8916 +36.1003 +013.4983 +34.8731 +013.6708 +36.0603 +014.2870 +34.8364 +014.4464 +36.0291 +015.0723 +34.8079 +015.2190 +36.0064 +015.8547 +34.7875 +015.9888 +35.9921 +016.6345 +34.7751 +016.7563 +35.9863 +017.4122 +34.7706 +017.5219 +35.9888 +018.1883 +34.7741 +018.2860 +35.9995 +018.9631 +34.7853 +019.0490 +36.0185 +019.7371 +34.8044 +019.8112 +36.0458 +020.5106 +34.8313 +020.5730 +36.0813 +021.2841 +34.8661 +021.3347 +36.1250 +022.0580 +34.9086 +022.0968 +36.1771 +022.8326 +34.9591 +022.8595 +36.2375 +023.6084 +35.0174 +023.6234 +36.3064 +024.3857 +35.0838 +024.3887 +36.3838 +025.1651 +35.1582 +025.1558 +36.4698 +025.9469 +35.2408 +025.9252 +36.5646 +026.7316 +35.3316 +026.6972 +36.6683 +027.5196 +35.4309 +027.4723 +36.7812 +028.3115 +35.5387 +028.2509 +36.9033 +029.1078 +35.6553 +029.0334 +37.0349 +029.9089 +35.7807 +029.8204 +37.1763 +030.7155 +35.9154 +030.6124 +37.3277 +031.5282 +36.0594 +031.4099 +37.4895 +032.3476 +36.2130 +032.2134 +37.6621 +033.1744 +36.3767 +033.0237 +37.8458 +034.0094 +36.5506 +033.8413 +38.0411 +034.8533 +36.7353 +034.6670 +38.2485 +035.7071 +36.9310 +035.5015 +38.4685 +036.5718 +37.1384 +036.3457 +38.7019 +037.4485 +37.3579 +037.2006 +38.9494 +038.3383 +37.5901 +038.0671 +39.2117 +039.2426 +37.8358 +038.9463 +39.4899 +040.1630 +38.0957 +039.8397 +39.7851 +041.1011 +38.3707 +040.7485 +40.0986 +042.0591 +38.6618 +041.6744 +40.4317 +043.0391 +38.9702 +042.6192 +40.7864 +044.0439 +39.2972 +043.5852 +41.1647 +045.0767 +39.6444 +044.5747 +41.5691 +046.1413 +40.0137 +045.5907 +42.0026 +047.2424 +40.4073 +046.6365 +42.4691 +048.3856 +40.8280 +047.7164 +42.9734 +049.5784 +41.2790 +048.8355 +43.5218 +050.8300 +41.7644 +050.0001 +44.1224 +052.1530 +42.2895 +051.2183 +44.7868 +053.5647 +42.8612 +052.5006 +45.5317 +055.0905 +43.4887 +053.8613 +46.3831 +056.7697 +44.1850 +055.3204 +47.3854 +058.6701 +44.9696 +056.9079 +48.6285 +060.9286 +45.8732 +058.6717 +50.3619 +063.9271 +46.9517 +060.6983 +50.3983 +064.6331 +48.3269 +063.1780 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.