Cora»OccDetail

Stellar Occultation by (23908) 1998 SL80 on 2025-10-02 (19:49:47 UT)

Event Details
Occultation UUID [and db] : 7d6223b0-ddb8-11f0-547e-ecc6fdff1dfa [observed] Occultation Date + Time : 2025-10-02 at 19:49:47 UT +/- 0.01 min [1] Object Designation : (23908) 1998 SL80 Star Designation : GDR3 0076774090899827328 Star Coordinates (ICRF) : RA = 02 05 14.8969, DE = +13 02 52.931 [2] Star Magnitudes : G = 10.89 mag, RP = 10.38 mag, BP = 11.21 mag Object Magnitude : V = 18.06 mag Estimated Magnitude Drop : 7.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 11.6 km/s Object Mean Diameter : 4.9 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5733 arcs/min @ PA = 230 deg Horizontal Parallax : 5.2340 arcs Dynamical Class : MBA Elongation to Moon & Sun : 81° (sunlit = 77%), Sun = 156° Cross-track uncertainty : 1.0 mas = 1 km = 0.25 path-width (1-sig) RUWE and duplicate source : 5.47 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#62 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 7d6223b0-ddb8-11f0-547e-ecc6fdff1dfa [observed] Occultation Date + Time : 2025-10-02 at 19:49:47 UT +/- 0.01 min [1] Object Designation : (23908) 1998 SL80 Star Designation : GDR3 0076774090899827328 Star Coordinates (ICRF) : RA = 02 05 14.8969, DE = +13 02 52.931 [2] Star Magnitudes : G = 10.89 mag, RP = 10.38 mag, BP = 11.21 mag Object Magnitude : V = 18.06 mag Estimated Magnitude Drop : 7.2 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 11.6 km/s Object Mean Diameter : 4.9 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.5733 arcs/min @ PA = 230 deg Horizontal Parallax : 5.2340 arcs Dynamical Class : MBA Elongation to Moon & Sun : 81° (sunlit = 77%), Sun = 156° Cross-track uncertainty : 1.0 mas = 1 km = 0.25 path-width (1-sig) RUWE and duplicate source : 5.47 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#62 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 ---------------------------------------------- 19:45:32 +75.3008 -038.0310 +05 057 -02 19:45:40 +76.0955 -025.6997 +08 069 -05 19:45:47 +76.0499 -016.3096 +10 078 -07 19:45:55 +75.6190 -008.8742 +12 085 -09 19:46:02 +74.9739 -002.9457 +14 090 -10 19:46:10 +74.2034 +001.8046 +15 095 -12 19:46:17 +73.3586 +005.6335 +16 098 -13 19:46:25 +72.4704 +008.7403 +17 101 -14 19:46:32 +71.5583 +011.2771 +18 103 -16 19:46:40 +70.6346 +013.3603 +19 105 -17 19:46:47 +69.7071 +015.0787 +20 107 -18 19:46:55 +68.7811 +016.5007 +21 108 -19 19:47:02 +67.8596 +017.6792 +21 108 -20 19:47:10 +66.9450 +018.6557 +22 109 -21 19:47:17 +66.0384 +019.4631 +23 110 -22 19:47:25 +65.1406 +020.1274 +23 110 -22 19:47:32 +64.2521 +020.6697 +24 110 -23 19:47:40 +63.3728 +021.1072 +24 110 -24 19:47:47 +62.5029 +021.4537 +25 110 -25 19:47:55 +61.6421 +021.7209 +25 110 -25 19:48:02 +60.7902 +021.9183 +25 110 -26 19:48:10 +59.9469 +022.0539 +26 110 -27 19:48:17 +59.1119 +022.1345 +26 109 -27 19:48:25 +58.2848 +022.1657 +26 109 -28 19:48:32 +57.4653 +022.1523 +27 109 -29 19:48:40 +56.6530 +022.0986 +27 108 -29 19:48:47 +55.8476 +022.0079 +27 108 -30 19:48:55 +55.0486 +021.8832 +27 107 -30 19:49:02 +54.2558 +021.7273 +28 107 -31 19:49:10 +53.4687 +021.5421 +28 106 -31 19:49:17 +52.6871 +021.3298 +28 106 -32 19:49:25 +51.9106 +021.0918 +28 105 -32 19:49:32 +51.1388 +020.8295 +28 105 -33 19:49:40 +50.3714 +020.5442 +28 104 -33 19:49:47 +49.6081 +020.2369 +28 103 -33 19:49:55 +48.8486 +019.9082 +28 103 -34 19:50:02 +48.0925 +019.5590 +28 102 -34 19:50:10 +47.3396 +019.1897 +28 101 -34 19:50:17 +46.5895 +018.8008 +28 101 -35 19:50:25 +45.8419 +018.3925 +28 100 -35 19:50:32 +45.0965 +017.9649 +28 099 -35 19:50:40 +44.3529 +017.5182 +27 099 -35 19:50:47 +43.6108 +017.0522 +27 098 -35 19:50:55 +42.8699 +016.5668 +27 097 -36 19:51:02 +42.1299 +016.0617 +27 097 -36 19:51:10 +41.3903 +015.5364 +26 096 -36 19:51:17 +40.6508 +014.9904 +26 095 -36 19:51:25 +39.9110 +014.4230 +26 094 -36 19:51:32 +39.1704 +013.8333 +25 094 -36 19:51:40 +38.4287 +013.2204 +25 093 -36 19:51:47 +37.6852 +012.5829 +24 092 -36 19:51:55 +36.9395 +011.9194 +24 091 -36 19:52:02 +36.1909 +011.2281 +23 091 -35 19:52:10 +35.4388 +010.5070 +23 090 -35 19:52:17 +34.6825 +009.7536 +22 089 -35 19:52:25 +33.9210 +008.9649 +22 089 -35 19:52:32 +33.1533 +008.1373 +21 088 -34 19:52:40 +32.3782 +007.2664 +20 087 -34 19:52:47 +31.5943 +006.3466 +19 086 -33 19:52:55 +30.7998 +005.3711 +19 086 -33 19:53:02 +29.9923 +004.3308 +18 085 -32 19:53:10 +29.1690 +003.2140 +17 084 -32 19:53:17 +28.3259 +002.0043 +16 083 -31 19:53:25 +27.4573 +000.6784 +14 083 -30 19:53:32 +26.5546 -000.7994 +13 082 -29 19:53:40 +25.6037 -002.4883 +11 081 -27 19:53:47 +24.5777 -004.5022 +09 080 -26 19:53:55 +23.4100 -007.1233 +07 079 -24 19:54:02 +21.7055 -012.0367 +02 077 -19 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 19:45:32   +75.3008  -038.0310   +05  057  -02 19:45:40   +76.0955  -025.6997   +08  069  -05 19:45:47   +76.0499  -016.3096   +10  078  -07 19:45:55   +75.6190  -008.8742   +12  085  -09 19:46:02   +74.9739  -002.9457   +14  090  -10 19:46:10   +74.2034  +001.8046   +15  095  -12 19:46:17   +73.3586  +005.6335   +16  098  -13 19:46:25   +72.4704  +008.7403   +17  101  -14 19:46:32   +71.5583  +011.2771   +18  103  -16 19:46:40   +70.6346  +013.3603   +19  105  -17 19:46:47   +69.7071  +015.0787   +20  107  -18 19:46:55   +68.7811  +016.5007   +21  108  -19 19:47:02   +67.8596  +017.6792   +21  108  -20 19:47:10   +66.9450  +018.6557   +22  109  -21 19:47:17   +66.0384  +019.4631   +23  110  -22 19:47:25   +65.1406  +020.1274   +23  110  -22 19:47:32   +64.2521  +020.6697   +24  110  -23 19:47:40   +63.3728  +021.1072   +24  110  -24 19:47:47   +62.5029  +021.4537   +25  110  -25 19:47:55   +61.6421  +021.7209   +25  110  -25 19:48:02   +60.7902  +021.9183   +25  110  -26 19:48:10   +59.9469  +022.0539   +26  110  -27 19:48:17   +59.1119  +022.1345   +26  109  -27 19:48:25   +58.2848  +022.1657   +26  109  -28 19:48:32   +57.4653  +022.1523   +27  109  -29 19:48:40   +56.6530  +022.0986   +27  108  -29 19:48:47   +55.8476  +022.0079   +27  108  -30 19:48:55   +55.0486  +021.8832   +27  107  -30 19:49:02   +54.2558  +021.7273   +28  107  -31 19:49:10   +53.4687  +021.5421   +28  106  -31 19:49:17   +52.6871  +021.3298   +28  106  -32 19:49:25   +51.9106  +021.0918   +28  105  -32 19:49:32   +51.1388  +020.8295   +28  105  -33 19:49:40   +50.3714  +020.5442   +28  104  -33 19:49:47   +49.6081  +020.2369   +28  103  -33 19:49:55   +48.8486  +019.9082   +28  103  -34 19:50:02   +48.0925  +019.5590   +28  102  -34 19:50:10   +47.3396  +019.1897   +28  101  -34 19:50:17   +46.5895  +018.8008   +28  101  -35 19:50:25   +45.8419  +018.3925   +28  100  -35 19:50:32   +45.0965  +017.9649   +28  099  -35 19:50:40   +44.3529  +017.5182   +27  099  -35 19:50:47   +43.6108  +017.0522   +27  098  -35 19:50:55   +42.8699  +016.5668   +27  097  -36 19:51:02   +42.1299  +016.0617   +27  097  -36 19:51:10   +41.3903  +015.5364   +26  096  -36 19:51:17   +40.6508  +014.9904   +26  095  -36 19:51:25   +39.9110  +014.4230   +26  094  -36 19:51:32   +39.1704  +013.8333   +25  094  -36 19:51:40   +38.4287  +013.2204   +25  093  -36 19:51:47   +37.6852  +012.5829   +24  092  -36 19:51:55   +36.9395  +011.9194   +24  091  -36 19:52:02   +36.1909  +011.2281   +23  091  -35 19:52:10   +35.4388  +010.5070   +23  090  -35 19:52:17   +34.6825  +009.7536   +22  089  -35 19:52:25   +33.9210  +008.9649   +22  089  -35 19:52:32   +33.1533  +008.1373   +21  088  -34 19:52:40   +32.3782  +007.2664   +20  087  -34 19:52:47   +31.5943  +006.3466   +19  086  -33 19:52:55   +30.7998  +005.3711   +19  086  -33 19:53:02   +29.9923  +004.3308   +18  085  -32 19:53:10   +29.1690  +003.2140   +17  084  -32 19:53:17   +28.3259  +002.0043   +16  083  -31 19:53:25   +27.4573  +000.6784   +14  083  -30 19:53:32   +26.5546  -000.7994   +13  082  -29 19:53:40   +25.6037  -002.4883   +11  081  -27 19:53:47   +24.5777  -004.5022   +09  080  -26 19:53:55   +23.4100  -007.1233   +07  079  -24 19:54:02   +21.7055  -012.0367   +02  077  -19

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +75.4245 -037.3480 +75.1701 -038.7326 +76.1533 -025.1887 +76.0358 -026.2153 +76.0820 -015.8787 +76.0169 -016.7430 +75.6365 -008.5024 +75.6008 -009.2479 +74.9822 -002.6215 +74.9652 -003.2715 +74.2055 +002.0900 +74.2009 +001.5178 +73.3565 +005.8872 +73.3604 +005.3787 +72.4653 +008.9678 +72.4753 +008.5117 +71.5511 +011.4830 +71.5654 +011.0704 +70.6258 +013.5481 +70.6433 +013.1717 +69.6972 +015.2514 +69.7170 +014.9054 +68.7703 +016.6605 +68.7917 +016.3403 +67.8482 +017.8280 +67.8709 +017.5299 +66.9331 +018.7951 +66.9567 +018.5159 +66.0262 +019.5942 +66.0505 +019.3315 +65.1283 +020.2514 +65.1529 +020.0031 +64.2395 +020.7874 +64.2645 +020.5517 +63.3602 +021.2193 +63.3854 +020.9948 +62.4903 +021.5608 +62.5155 +021.3463 +61.6295 +021.8236 +61.6547 +021.6179 +60.7776 +022.0170 +60.8027 +021.8193 +59.9344 +022.1491 +59.9594 +021.9585 +59.0994 +022.2264 +59.1243 +022.0423 +58.2725 +022.2547 +58.2972 +022.0764 +57.4531 +022.2388 +57.4775 +022.0657 +56.6409 +022.1826 +56.6651 +022.0144 +55.8356 +022.0897 +55.8596 +021.9259 +55.0367 +021.9631 +55.0605 +021.8033 +54.2440 +021.8053 +54.2675 +021.6491 +53.4571 +021.6185 +53.4803 +021.4657 +52.6756 +021.4046 +52.6985 +021.2548 +51.8993 +021.1652 +51.9218 +021.0182 +51.1276 +020.9017 +51.1499 +020.7573 +50.3604 +020.6152 +50.3823 +020.4732 +49.5973 +020.3068 +49.6189 +020.1668 +48.8380 +019.9772 +48.8592 +019.8392 +48.0821 +019.6271 +48.1030 +019.4908 +47.3293 +019.2570 +47.3499 +019.1223 +46.5794 +018.8674 +46.5996 +018.7341 +45.8320 +018.4584 +45.8518 +018.3264 +45.0867 +018.0304 +45.1061 +017.8994 +44.3434 +017.5832 +44.3624 +017.4531 +43.6015 +017.1168 +43.6201 +016.9875 +42.8608 +016.6311 +42.8790 +016.5024 +42.1210 +016.1258 +42.1387 +015.9975 +41.3817 +015.6003 +41.3989 +015.4724 +40.6424 +015.0543 +40.6592 +014.9264 +39.9028 +014.4869 +39.9191 +014.3590 +39.1625 +013.8973 +39.1783 +013.7692 +38.4211 +013.2846 +38.4362 +013.1560 +37.6779 +012.6474 +37.6925 +012.5182 +36.9325 +011.9843 +36.9464 +011.8542 +36.1843 +011.2936 +36.1975 +011.1624 +35.4326 +010.5732 +35.4451 +010.4406 +34.6766 +009.8207 +34.6883 +009.6864 +33.9155 +009.0330 +33.9264 +008.8966 +33.1483 +008.2067 +33.1582 +008.0677 +32.3738 +007.3373 +32.3825 +007.1953 +31.5905 +006.4194 +31.5980 +006.2736 +30.7967 +005.4461 +30.8028 +005.2958 +29.9901 +004.4087 +29.9945 +004.2527 +29.1678 +003.2953 +29.1702 +003.1323 +28.3259 +002.0901 +28.3258 +001.9180 +27.4588 +000.7701 +27.4556 +000.5861 +26.5582 -000.6994 +26.5507 -000.9000 +25.6104 -002.3762 +25.5967 -002.6015 +24.5893 -004.3696 +24.5656 -004.6364 +23.4323 -006.9461 +23.3866 -007.3049 +21.8090 -011.5141 +21.5596 -012.7411 Azimuth (Azm) measured from North to East.

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CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.