Cora»OccDetail

Stellar Occultation by (1746) Brouwer on 2025-08-12 (23:00:41 UT)

Event Details
Occultation UUID [and db] : 39f979d0-ddb7-11f0-547e-4d2ae77ff9e1 [observed] Occultation Date + Time : 2025-08-12 at 23:00:41 UT +/- 0.04 min [1] Object Designation : (1746) Brouwer Star Designation : GDR3 4056239411590909696 Star Coordinates (ICRF) : RA = 17 59 12.1213, DE = -30 08 11.743 [2] Star Magnitudes : G = 13.77 mag, RP = 12.6 mag, BP = 15.26 mag Object Magnitude : V = 15.98 mag Estimated Magnitude Drop : 2.3 mag Estimated Max. Duration : 11.2 sec Speed of the shadow : 5.8 km/s Object Mean Diameter : 64.2 km (src: astorb) => apparent = 29 mas Apparent Motion : 0.1567 arcs/min @ PA = 313 deg Horizontal Parallax : 2.8990 arcs Dynamical Class : MBA Elongation to Moon & Sun : 98° (sunlit = 84%), Sun = 129° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.85 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 39f979d0-ddb7-11f0-547e-4d2ae77ff9e1 [observed]

 Occultation Date + Time   : 2025-08-12 at 23:00:41 UT +/- 0.04 min  [1]
 Object Designation        : (1746) Brouwer
 Star Designation          : GDR3 4056239411590909696
 Star Coordinates (ICRF)   : RA = 17 59 12.1213, DE = -30 08 11.743  [2]
 Star Magnitudes           : G = 13.77 mag, RP = 12.6 mag, BP = 15.26 mag
 Object Magnitude          : V = 15.98 mag
 Estimated Magnitude Drop  : 2.3 mag
 Estimated Max. Duration   : 11.2 sec
 Speed of the shadow       : 5.8 km/s
 Object Mean Diameter      : 64.2 km  (src: astorb) => apparent = 29 mas
 Apparent Motion           : 0.1567 arcs/min @ PA = 313 deg
 Horizontal Parallax       : 2.8990 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 98° (sunlit = 84%), Sun = 129°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#80
 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 ---------------------------------------------- 22:54:03 +19.6403 +036.8678 +05 236 -51 22:54:15 +18.8589 +034.5339 +07 235 -53 22:54:27 +18.3997 +032.7306 +08 234 -54 22:54:40 +18.1006 +031.1879 +10 234 -55 22:54:52 +17.9034 +029.8090 +11 233 -55 22:55:04 +17.7790 +028.5456 +12 233 -56 22:55:16 +17.7107 +027.3698 +13 232 -56 22:55:28 +17.6874 +026.2635 +14 232 -56 22:55:40 +17.7018 +025.2140 +14 231 -57 22:55:53 +17.7483 +024.2125 +15 231 -57 22:56:05 +17.8230 +023.2521 +16 230 -57 22:56:17 +17.9228 +022.3276 +16 230 -57 22:56:29 +18.0450 +021.4347 +17 230 -57 22:56:41 +18.1878 +020.5701 +17 229 -57 22:56:53 +18.3496 +019.7311 +18 229 -57 22:57:06 +18.5289 +018.9152 +18 228 -57 22:57:18 +18.7248 +018.1206 +18 228 -57 22:57:30 +18.9362 +017.3457 +19 227 -56 22:57:42 +19.1625 +016.5888 +19 227 -56 22:57:54 +19.4028 +015.8489 +19 226 -56 22:58:07 +19.6567 +015.1248 +20 226 -56 22:58:19 +19.9237 +014.4156 +20 226 -55 22:58:31 +20.2035 +013.7204 +20 225 -55 22:58:43 +20.4955 +013.0385 +20 225 -55 22:58:55 +20.7997 +012.3693 +21 224 -54 22:59:07 +21.1157 +011.7121 +21 224 -54 22:59:20 +21.4435 +011.0665 +21 223 -54 22:59:32 +21.7828 +010.4319 +21 223 -53 22:59:44 +22.1335 +009.8080 +21 222 -53 22:59:56 +22.4957 +009.1944 +21 222 -52 23:00:08 +22.8693 +008.5907 +21 221 -52 23:00:20 +23.2543 +007.9968 +21 221 -51 23:00:33 +23.6508 +007.4122 +21 221 -51 23:00:45 +24.0588 +006.8369 +21 220 -50 23:00:57 +24.4786 +006.2707 +21 220 -50 23:01:09 +24.9102 +005.7133 +21 219 -49 23:01:21 +25.3538 +005.1647 +21 219 -49 23:01:34 +25.8097 +004.6248 +21 218 -48 23:01:46 +26.2782 +004.0936 +21 218 -48 23:01:58 +26.7596 +003.5710 +21 217 -47 23:02:10 +27.2543 +003.0570 +21 217 -46 23:02:22 +27.7627 +002.5518 +21 216 -46 23:02:34 +28.2852 +002.0555 +20 216 -45 23:02:47 +28.8226 +001.5681 +20 216 -44 23:02:59 +29.3753 +001.0899 +20 215 -44 23:03:11 +29.9442 +000.6212 +20 215 -43 23:03:23 +30.5300 +000.1623 +19 214 -42 23:03:35 +31.1337 -000.2863 +19 214 -42 23:03:47 +31.7563 -000.7243 +19 213 -41 23:04:00 +32.3992 -001.1508 +18 213 -40 23:04:12 +33.0636 -001.5651 +18 213 -40 23:04:24 +33.7514 -001.9663 +18 212 -39 23:04:36 +34.4644 -002.3532 +17 212 -38 23:04:48 +35.2049 -002.7243 +17 211 -37 23:05:01 +35.9758 -003.0778 +16 211 -37 23:05:13 +36.7803 -003.4115 +16 211 -36 23:05:25 +37.6226 -003.7224 +15 210 -35 23:05:37 +38.5079 -004.0067 +14 210 -34 23:05:49 +39.4427 -004.2593 +14 210 -33 23:06:01 +40.4359 -004.4732 +13 210 -32 23:06:14 +41.4994 -004.6388 +12 209 -31 23:06:26 +42.6502 -004.7412 +11 209 -30 23:06:38 +43.9145 -004.7574 +10 209 -29 23:06:50 +45.3362 -004.6469 +08 209 -28 23:07:02 +47.0008 -004.3280 +07 209 -26 23:07:14 +49.1317 -003.5783 +05 210 -24 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 22:54:03   +19.6403  +036.8678   +05  236  -51 22:54:15   +18.8589  +034.5339   +07  235  -53 22:54:27   +18.3997  +032.7306   +08  234  -54 22:54:40   +18.1006  +031.1879   +10  234  -55 22:54:52   +17.9034  +029.8090   +11  233  -55 22:55:04   +17.7790  +028.5456   +12  233  -56 22:55:16   +17.7107  +027.3698   +13  232  -56 22:55:28   +17.6874  +026.2635   +14  232  -56 22:55:40   +17.7018  +025.2140   +14  231  -57 22:55:53   +17.7483  +024.2125   +15  231  -57 22:56:05   +17.8230  +023.2521   +16  230  -57 22:56:17   +17.9228  +022.3276   +16  230  -57 22:56:29   +18.0450  +021.4347   +17  230  -57 22:56:41   +18.1878  +020.5701   +17  229  -57 22:56:53   +18.3496  +019.7311   +18  229  -57 22:57:06   +18.5289  +018.9152   +18  228  -57 22:57:18   +18.7248  +018.1206   +18  228  -57 22:57:30   +18.9362  +017.3457   +19  227  -56 22:57:42   +19.1625  +016.5888   +19  227  -56 22:57:54   +19.4028  +015.8489   +19  226  -56 22:58:07   +19.6567  +015.1248   +20  226  -56 22:58:19   +19.9237  +014.4156   +20  226  -55 22:58:31   +20.2035  +013.7204   +20  225  -55 22:58:43   +20.4955  +013.0385   +20  225  -55 22:58:55   +20.7997  +012.3693   +21  224  -54 22:59:07   +21.1157  +011.7121   +21  224  -54 22:59:20   +21.4435  +011.0665   +21  223  -54 22:59:32   +21.7828  +010.4319   +21  223  -53 22:59:44   +22.1335  +009.8080   +21  222  -53 22:59:56   +22.4957  +009.1944   +21  222  -52 23:00:08   +22.8693  +008.5907   +21  221  -52 23:00:20   +23.2543  +007.9968   +21  221  -51 23:00:33   +23.6508  +007.4122   +21  221  -51 23:00:45   +24.0588  +006.8369   +21  220  -50 23:00:57   +24.4786  +006.2707   +21  220  -50 23:01:09   +24.9102  +005.7133   +21  219  -49 23:01:21   +25.3538  +005.1647   +21  219  -49 23:01:34   +25.8097  +004.6248   +21  218  -48 23:01:46   +26.2782  +004.0936   +21  218  -48 23:01:58   +26.7596  +003.5710   +21  217  -47 23:02:10   +27.2543  +003.0570   +21  217  -46 23:02:22   +27.7627  +002.5518   +21  216  -46 23:02:34   +28.2852  +002.0555   +20  216  -45 23:02:47   +28.8226  +001.5681   +20  216  -44 23:02:59   +29.3753  +001.0899   +20  215  -44 23:03:11   +29.9442  +000.6212   +20  215  -43 23:03:23   +30.5300  +000.1623   +19  214  -42 23:03:35   +31.1337  -000.2863   +19  214  -42 23:03:47   +31.7563  -000.7243   +19  213  -41 23:04:00   +32.3992  -001.1508   +18  213  -40 23:04:12   +33.0636  -001.5651   +18  213  -40 23:04:24   +33.7514  -001.9663   +18  212  -39 23:04:36   +34.4644  -002.3532   +17  212  -38 23:04:48   +35.2049  -002.7243   +17  211  -37 23:05:01   +35.9758  -003.0778   +16  211  -37 23:05:13   +36.7803  -003.4115   +16  211  -36 23:05:25   +37.6226  -003.7224   +15  210  -35 23:05:37   +38.5079  -004.0067   +14  210  -34 23:05:49   +39.4427  -004.2593   +14  210  -33 23:06:01   +40.4359  -004.4732   +13  210  -32 23:06:14   +41.4994  -004.6388   +12  209  -31 23:06:26   +42.6502  -004.7412   +11  209  -30 23:06:38   +43.9145  -004.7574   +10  209  -29 23:06:50   +45.3362  -004.6469   +08  209  -28 23:07:02   +47.0008  -004.3280   +07  209  -26 23:07:14   +49.1317  -003.5783   +05  210  -24

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +18.0716 +034.6750 +22.3465 +040.9568 +17.6269 +032.8992 +20.5719 +036.9596 +17.3325 +031.3681 +19.7014 +034.4752 +17.1356 +029.9938 +19.2158 +032.6244 +17.0093 +028.7317 +18.9060 +031.0601 +16.9376 +027.5550 +18.7048 +029.6703 +16.9102 +026.4464 +18.5799 +028.4015 +16.9197 +025.3939 +18.5131 +027.2235 +16.9609 +024.3887 +18.4928 +026.1170 +17.0298 +023.4242 +18.5111 +025.0688 +17.1234 +022.4952 +18.5623 +024.0695 +17.2393 +021.5976 +18.6422 +023.1120 +17.3755 +020.7281 +18.7476 +022.1909 +17.5304 +019.8840 +18.8759 +021.3020 +17.7027 +019.0629 +19.0251 +020.4417 +17.8913 +018.2629 +19.1936 +019.6072 +18.0952 +017.4824 +19.3801 +018.7962 +18.3136 +016.7200 +19.5833 +018.0066 +18.5460 +015.9743 +19.8024 +017.2369 +18.7917 +015.2444 +20.0365 +016.4855 +19.0502 +014.5293 +20.2851 +015.7512 +19.3211 +013.8280 +20.5475 +015.0329 +19.6042 +013.1400 +20.8234 +014.3296 +19.8991 +012.4644 +21.1122 +013.6406 +20.2055 +011.8008 +21.4137 +012.9650 +20.5233 +011.1486 +21.7277 +012.3023 +20.8523 +010.5073 +22.0539 +011.6518 +21.1924 +009.8764 +22.3922 +011.0131 +21.5436 +009.2557 +22.7425 +010.3856 +21.9057 +008.6447 +23.1046 +009.7691 +22.2788 +008.0432 +23.4787 +009.1631 +22.6629 +007.4509 +23.8646 +008.5673 +23.0581 +006.8675 +24.2625 +007.9815 +23.4643 +006.2929 +24.6724 +007.4055 +23.8819 +005.7269 +25.0945 +006.8390 +24.3108 +005.1693 +25.5289 +006.2820 +24.7514 +004.6200 +25.9759 +005.7343 +25.2037 +004.0789 +26.4358 +005.1959 +25.6681 +003.5459 +26.9087 +004.6667 +26.1449 +003.0211 +27.3952 +004.1467 +26.6344 +002.5044 +27.8956 +003.6360 +27.1370 +001.9959 +28.4104 +003.1347 +27.6531 +001.4956 +28.9401 +002.6429 +28.1833 +001.0036 +29.4853 +002.1609 +28.7282 +000.5202 +30.0469 +001.6889 +29.2883 +000.0454 +30.6255 +001.2272 +29.8644 -000.4203 +31.2221 +000.7764 +30.4574 -000.8768 +31.8379 +000.3370 +31.0682 -001.3235 +32.4740 -000.0905 +31.6979 -001.7601 +33.1318 -000.5050 +32.3477 -002.1858 +33.8131 -000.9058 +33.0190 -002.5999 +34.5197 -001.2914 +33.7136 -003.0015 +35.2541 -001.6605 +34.4334 -003.3895 +36.0189 -002.0110 +35.1807 -003.7625 +36.8177 -002.3405 +35.9582 -004.1187 +37.6546 -002.6460 +36.7693 -004.4560 +38.5348 -002.9233 +37.6180 -004.7716 +39.4653 -003.1671 +38.5096 -005.0619 +40.4549 -003.3698 +39.4504 -005.3221 +41.5161 -003.5209 +40.4492 -005.5457 +42.6668 -003.6043 +41.5175 -005.7233 +43.9350 -003.5944 +42.6720 -005.8414 +45.3684 -003.4455 +43.9378 -005.8786 +47.0637 -003.0615 +45.3563 -005.7980 +49.2988 -002.1561 +47.0062 -005.5270 +49.8704 -002.9684 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.