Cora»OccDetail

Stellar Occultation by (381974) 2010 FS18 on 2025-10-20 (19:51:04 UT)

Event Details
Occultation UUID [and db] : 989073d0-ddb8-11f0-547e-c3d7eee044d5 [observed] Occultation Date + Time : 2025-10-20 at 19:51:04 UT +/- 0.14 min [1] Object Designation : (381974) 2010 FS18 Star Designation : GDR3 0940680923968749952 Star Coordinates (ICRF) : RA = 06 50 30.3019, DE = +36 50 51.294 [2] Star Magnitudes : G = 13.62 mag, RP = 13.14 mag, BP = 13.93 mag Object Magnitude : V = 21.16 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.2 sec Speed of the shadow : 10.8 km/s Object Mean Diameter : 2.2 km (src: astorb) => apparent = 1 mas Apparent Motion : 0.3700 arcs/min @ PA = 55 deg Horizontal Parallax : 3.6320 arcs Dynamical Class : MBA Elongation to Moon & Sun : 100° (sunlit = 0%), Sun = 107° Cross-track uncertainty : 22.0 mas = 38 km = 17.56 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL36 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 989073d0-ddb8-11f0-547e-c3d7eee044d5 [observed]

 Occultation Date + Time   : 2025-10-20 at 19:51:04 UT +/- 0.14 min  [1]
 Object Designation        : (381974) 2010 FS18
 Star Designation          : GDR3 0940680923968749952
 Star Coordinates (ICRF)   : RA = 06 50 30.3019, DE = +36 50 51.294  [2]
 Star Magnitudes           : G = 13.62 mag, RP = 13.14 mag, BP = 13.93 mag
 Object Magnitude          : V = 21.16 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 10.8 km/s
 Object Mean Diameter      : 2.2 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3700 arcs/min @ PA = 55 deg
 Horizontal Parallax       : 3.6320 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 100° (sunlit = 0%), Sun = 107°
 Cross-track uncertainty   : 22.0 mas = 38 km = 17.56 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL36
 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 ---------------------------------------------- 19:49:00 +34.7635 +018.7026 +02 045 -46 19:49:03 +35.8244 +019.5167 +03 046 -46 19:49:06 +36.6304 +020.0313 +04 046 -46 19:49:09 +37.3194 +020.4066 +05 046 -46 19:49:12 +37.9367 +020.6953 +06 047 -46 19:49:15 +38.5039 +020.9226 +06 047 -46 19:49:18 +39.0334 +021.1028 +07 047 -46 19:49:21 +39.5329 +021.2450 +07 047 -46 19:49:24 +40.0079 +021.3555 +07 047 -46 19:49:27 +40.4621 +021.4386 +08 047 -46 19:49:30 +40.8985 +021.4978 +08 047 -45 19:49:33 +41.3193 +021.5354 +08 047 -45 19:49:36 +41.7261 +021.5537 +09 047 -45 19:49:39 +42.1204 +021.5540 +09 047 -45 19:49:42 +42.5033 +021.5377 +09 048 -45 19:49:45 +42.8758 +021.5060 +09 048 -44 19:49:48 +43.2386 +021.4596 +10 048 -44 19:49:51 +43.5924 +021.3993 +10 048 -44 19:49:54 +43.9378 +021.3257 +10 048 -44 19:49:57 +44.2752 +021.2394 +10 048 -43 19:49:59 +44.6050 +021.1408 +10 048 -43 19:50:02 +44.9277 +021.0303 +11 048 -43 19:50:05 +45.2435 +020.9083 +11 048 -43 19:50:08 +45.5527 +020.7749 +11 048 -42 19:50:11 +45.8555 +020.6305 +11 047 -42 19:50:14 +46.1521 +020.4753 +11 047 -42 19:50:17 +46.4428 +020.3094 +11 047 -42 19:50:20 +46.7275 +020.1331 +11 047 -41 19:50:23 +47.0066 +019.9463 +11 047 -41 19:50:26 +47.2800 +019.7492 +12 047 -41 19:50:29 +47.5479 +019.5420 +12 047 -41 19:50:32 +47.8103 +019.3246 +12 047 -40 19:50:35 +48.0673 +019.0972 +12 047 -40 19:50:38 +48.3189 +018.8598 +12 047 -40 19:50:41 +48.5652 +018.6123 +12 047 -40 19:50:44 +48.8063 +018.3549 +12 047 -39 19:50:47 +49.0419 +018.0875 +12 046 -39 19:50:50 +49.2723 +017.8102 +12 046 -39 19:50:53 +49.4974 +017.5229 +12 046 -39 19:50:56 +49.7171 +017.2255 +12 046 -38 19:50:59 +49.9314 +016.9182 +12 046 -38 19:51:01 +50.1402 +016.6008 +12 046 -38 19:51:04 +50.3436 +016.2733 +12 045 -37 19:51:07 +50.5413 +015.9357 +12 045 -37 19:51:10 +50.7335 +015.5879 +12 045 -37 19:51:13 +50.9198 +015.2298 +12 045 -37 19:51:16 +51.1004 +014.8615 +12 045 -36 19:51:19 +51.2749 +014.4828 +12 044 -36 19:51:22 +51.4434 +014.0937 +12 044 -36 19:51:25 +51.6057 +013.6940 +12 044 -35 19:51:28 +51.7615 +013.2838 +12 044 -35 19:51:31 +51.9109 +012.8630 +12 043 -35 19:51:34 +52.0535 +012.4314 +12 043 -35 19:51:37 +52.1891 +011.9889 +12 043 -34 19:51:40 +52.3177 +011.5356 +12 043 -34 19:51:43 +52.4388 +011.0711 +11 042 -34 19:51:46 +52.5523 +010.5956 +11 042 -33 19:51:49 +52.6580 +010.1087 +11 042 -33 19:51:52 +52.7554 +009.6105 +11 041 -33 19:51:55 +52.8442 +009.1008 +11 041 -32 19:51:58 +52.9241 +008.5793 +11 041 -32 19:52:01 +52.9947 +008.0460 +11 040 -32 19:52:03 +53.0556 +007.5007 +11 040 -31 19:52:06 +53.1062 +006.9432 +10 040 -31 19:52:09 +53.1460 +006.3732 +10 039 -31 19:52:12 +53.1743 +005.7904 +10 039 -31 19:52:15 +53.1905 +005.1946 +10 038 -30 19:52:18 +53.1939 +004.5854 +10 038 -30 19:52:21 +53.1834 +003.9624 +09 037 -30 19:52:24 +53.1581 +003.3251 +09 037 -29 19:52:27 +53.1167 +002.6729 +09 037 -29 19:52:30 +53.0579 +002.0051 +09 036 -29 19:52:33 +52.9798 +001.3206 +08 036 -28 19:52:36 +52.8806 +000.6185 +08 035 -28 19:52:39 +52.7575 -000.1028 +08 034 -27 19:52:42 +52.6075 -000.8453 +07 034 -27 19:52:45 +52.4262 -001.6116 +07 033 -27 19:52:48 +52.2081 -002.4052 +06 033 -26 19:52:51 +51.9453 -003.2314 +06 032 -26 19:52:54 +51.6259 -004.0984 +05 032 -26 19:52:57 +51.2310 -005.0194 +05 031 -25 19:53:00 +50.7255 -006.0196 +04 030 -25 19:53:02 +50.0291 -007.1582 +03 029 -24 19:53:05 +48.8049 -008.6875 +01 028 -23 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 19:49:00   +34.7635  +018.7026   +02  045  -46 19:49:03   +35.8244  +019.5167   +03  046  -46 19:49:06   +36.6304  +020.0313   +04  046  -46 19:49:09   +37.3194  +020.4066   +05  046  -46 19:49:12   +37.9367  +020.6953   +06  047  -46 19:49:15   +38.5039  +020.9226   +06  047  -46 19:49:18   +39.0334  +021.1028   +07  047  -46 19:49:21   +39.5329  +021.2450   +07  047  -46 19:49:24   +40.0079  +021.3555   +07  047  -46 19:49:27   +40.4621  +021.4386   +08  047  -46 19:49:30   +40.8985  +021.4978   +08  047  -45 19:49:33   +41.3193  +021.5354   +08  047  -45 19:49:36   +41.7261  +021.5537   +09  047  -45 19:49:39   +42.1204  +021.5540   +09  047  -45 19:49:42   +42.5033  +021.5377   +09  048  -45 19:49:45   +42.8758  +021.5060   +09  048  -44 19:49:48   +43.2386  +021.4596   +10  048  -44 19:49:51   +43.5924  +021.3993   +10  048  -44 19:49:54   +43.9378  +021.3257   +10  048  -44 19:49:57   +44.2752  +021.2394   +10  048  -43 19:49:59   +44.6050  +021.1408   +10  048  -43 19:50:02   +44.9277  +021.0303   +11  048  -43 19:50:05   +45.2435  +020.9083   +11  048  -43 19:50:08   +45.5527  +020.7749   +11  048  -42 19:50:11   +45.8555  +020.6305   +11  047  -42 19:50:14   +46.1521  +020.4753   +11  047  -42 19:50:17   +46.4428  +020.3094   +11  047  -42 19:50:20   +46.7275  +020.1331   +11  047  -41 19:50:23   +47.0066  +019.9463   +11  047  -41 19:50:26   +47.2800  +019.7492   +12  047  -41 19:50:29   +47.5479  +019.5420   +12  047  -41 19:50:32   +47.8103  +019.3246   +12  047  -40 19:50:35   +48.0673  +019.0972   +12  047  -40 19:50:38   +48.3189  +018.8598   +12  047  -40 19:50:41   +48.5652  +018.6123   +12  047  -40 19:50:44   +48.8063  +018.3549   +12  047  -39 19:50:47   +49.0419  +018.0875   +12  046  -39 19:50:50   +49.2723  +017.8102   +12  046  -39 19:50:53   +49.4974  +017.5229   +12  046  -39 19:50:56   +49.7171  +017.2255   +12  046  -38 19:50:59   +49.9314  +016.9182   +12  046  -38 19:51:01   +50.1402  +016.6008   +12  046  -38 19:51:04   +50.3436  +016.2733   +12  045  -37 19:51:07   +50.5413  +015.9357   +12  045  -37 19:51:10   +50.7335  +015.5879   +12  045  -37 19:51:13   +50.9198  +015.2298   +12  045  -37 19:51:16   +51.1004  +014.8615   +12  045  -36 19:51:19   +51.2749  +014.4828   +12  044  -36 19:51:22   +51.4434  +014.0937   +12  044  -36 19:51:25   +51.6057  +013.6940   +12  044  -35 19:51:28   +51.7615  +013.2838   +12  044  -35 19:51:31   +51.9109  +012.8630   +12  043  -35 19:51:34   +52.0535  +012.4314   +12  043  -35 19:51:37   +52.1891  +011.9889   +12  043  -34 19:51:40   +52.3177  +011.5356   +12  043  -34 19:51:43   +52.4388  +011.0711   +11  042  -34 19:51:46   +52.5523  +010.5956   +11  042  -33 19:51:49   +52.6580  +010.1087   +11  042  -33 19:51:52   +52.7554  +009.6105   +11  041  -33 19:51:55   +52.8442  +009.1008   +11  041  -32 19:51:58   +52.9241  +008.5793   +11  041  -32 19:52:01   +52.9947  +008.0460   +11  040  -32 19:52:03   +53.0556  +007.5007   +11  040  -31 19:52:06   +53.1062  +006.9432   +10  040  -31 19:52:09   +53.1460  +006.3732   +10  039  -31 19:52:12   +53.1743  +005.7904   +10  039  -31 19:52:15   +53.1905  +005.1946   +10  038  -30 19:52:18   +53.1939  +004.5854   +10  038  -30 19:52:21   +53.1834  +003.9624   +09  037  -30 19:52:24   +53.1581  +003.3251   +09  037  -29 19:52:27   +53.1167  +002.6729   +09  037  -29 19:52:30   +53.0579  +002.0051   +09  036  -29 19:52:33   +52.9798  +001.3206   +08  036  -28 19:52:36   +52.8806  +000.6185   +08  035  -28 19:52:39   +52.7575  -000.1028   +08  034  -27 19:52:42   +52.6075  -000.8453   +07  034  -27 19:52:45   +52.4262  -001.6116   +07  033  -27 19:52:48   +52.2081  -002.4052   +06  033  -26 19:52:51   +51.9453  -003.2314   +06  032  -26 19:52:54   +51.6259  -004.0984   +05  032  -26 19:52:57   +51.2310  -005.0194   +05  031  -25 19:53:00   +50.7255  -006.0196   +04  030  -25 19:53:02   +50.0291  -007.1582   +03  029  -24 19:53:05   +48.8049  -008.6875   +01  028  -23

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +34.5682 +018.4613 +34.9356 +018.9171 +35.7070 +019.3656 +35.9360 +019.6611 +36.5387 +019.9099 +36.7191 +020.1492 +37.2415 +020.3012 +37.3954 +020.5098 +37.8678 +020.6002 +38.0044 +020.7889 +38.4413 +020.8348 +38.5655 +021.0093 +38.9755 +021.0205 +39.0904 +021.1842 +39.4788 +021.1670 +39.5864 +021.3223 +39.9568 +021.2809 +40.0584 +021.4295 +40.4135 +021.3669 +40.5103 +021.5098 +40.8520 +021.4284 +40.9446 +021.5666 +41.2745 +021.4681 +41.3636 +021.6023 +41.6829 +021.4881 +41.7689 +021.6188 +42.0785 +021.4899 +42.1619 +021.6177 +42.4626 +021.4750 +42.5437 +021.6001 +42.8361 +021.4444 +42.9152 +021.5672 +43.1998 +021.3991 +43.2771 +021.5198 +43.5544 +021.3397 +43.6301 +021.4586 +43.9005 +021.2670 +43.9748 +021.3842 +44.2386 +021.1814 +44.3115 +021.2972 +44.5690 +021.0835 +44.6408 +021.1980 +44.8922 +020.9736 +44.9630 +021.0869 +45.2085 +020.8520 +45.2784 +020.9643 +45.5180 +020.7192 +45.5872 +020.8305 +45.8212 +020.5752 +45.8896 +020.6857 +46.1182 +020.4204 +46.1859 +020.5301 +46.4091 +020.2549 +46.4763 +020.3638 +46.6941 +020.0788 +46.7608 +020.1871 +46.9733 +019.8923 +47.0397 +020.0001 +47.2469 +019.6955 +47.3129 +019.8028 +47.5149 +019.4885 +47.5806 +019.5953 +47.7774 +019.2713 +47.8429 +019.3778 +48.0345 +019.0441 +48.0999 +019.1502 +48.2863 +018.8068 +48.3514 +018.9126 +48.5326 +018.5595 +48.5977 +018.6651 +48.7736 +018.3022 +48.8387 +018.4075 +49.0093 +018.0349 +49.0744 +018.1401 +49.2397 +017.7576 +49.3048 +017.8627 +49.4647 +017.4703 +49.5299 +017.5753 +49.6843 +017.1730 +49.7497 +017.2779 +49.8985 +016.8657 +49.9641 +016.9706 +50.1072 +016.5483 +50.1731 +016.6531 +50.3104 +016.2208 +50.3766 +016.3257 +50.5080 +015.8831 +50.5745 +015.9881 +50.6999 +015.5353 +50.7668 +015.6403 +50.8861 +015.1772 +50.9534 +015.2823 +51.0664 +014.8088 +51.1342 +014.9140 +51.2407 +014.4300 +51.3090 +014.5354 +51.4089 +014.0408 +51.4778 +014.1464 +51.5708 +013.6411 +51.6403 +013.7469 +51.7264 +013.2307 +51.7965 +013.3368 +51.8753 +012.8097 +51.9462 +012.9161 +52.0175 +012.3780 +52.0892 +012.4846 +52.1528 +011.9354 +52.2253 +012.0424 +52.2808 +011.4818 +52.3543 +011.5892 +52.4015 +011.0172 +52.4760 +011.1250 +52.5145 +010.5414 +52.5900 +010.6496 +52.6195 +010.0543 +52.6962 +010.1630 +52.7163 +009.5558 +52.7942 +009.6651 +52.8045 +009.0458 +52.8837 +009.1556 +52.8837 +008.5240 +52.9644 +008.6345 +52.9535 +007.9904 +53.0358 +008.1016 +53.0135 +007.4447 +53.0974 +007.5566 +53.0632 +006.8867 +53.1489 +006.9995 +53.1020 +006.3162 +53.1897 +006.4299 +53.1292 +005.7329 +53.2191 +005.8477 +53.1443 +005.1365 +53.2365 +005.2525 +53.1463 +004.5267 +53.2411 +004.6440 +53.1344 +003.9029 +53.2321 +004.0217 +53.1075 +003.2648 +53.2083 +003.3852 +53.0643 +002.6116 +53.1687 +002.7340 +53.0035 +001.9426 +53.1118 +002.0672 +52.9232 +001.2569 +53.0360 +001.3840 +52.8213 +000.5532 +52.9393 +000.6834 +52.6953 -000.1700 +52.8192 -000.0362 +52.5416 -000.9147 +52.6726 -000.7765 +52.3561 -001.6837 +52.4955 -001.5401 +52.1326 -002.4808 +52.2825 -002.3304 +51.8630 -003.3116 +52.0262 -003.1523 +51.5345 -004.1848 +51.7155 -004.0133 +51.1264 -005.1151 +51.3329 -004.9257 +50.5996 -006.1307 +50.8469 -005.9120 +49.8589 -007.3020 +50.1887 -007.0225 +48.3881 -009.0180 +49.1137 -008.4395 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.