Cora»OccDetail

Stellar Occultation by (71594) 2000 DT77 on 2024-07-24 (02:38:02 UT)

Event Details
Occultation UUID [and db] : d6b484f0-ddb1-11f0-547e-52e6daff4ebf [observed] Occultation Date + Time : 2024-07-24 at 02:38:02 UT +/- 0.01 min [1] Object Designation : (71594) 2000 DT77 Star Designation : GDR3 4202162982700284288 Star Coordinates (ICRF) : RA = 18 52 33.3779, DE = -11 04 32.117 [2] Star Magnitudes : G = 12.05 mag, RP = 11.12 mag, BP = 12.96 mag Object Magnitude : V = 19.59 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.3 sec Speed of the shadow : 13.6 km/s Object Mean Diameter : 4.6 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.4433 arcs/min @ PA = 251 deg Horizontal Parallax : 3.4660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 56° (sunlit = 90%), Sun = 158° Cross-track uncertainty : 0.7 mas = 1 km = 0.28 path-width (1-sig) RUWE and duplicate source : 0.89 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : d6b484f0-ddb1-11f0-547e-52e6daff4ebf [observed]

 Occultation Date + Time   : 2024-07-24 at 02:38:02 UT +/- 0.01 min  [1]
 Object Designation        : (71594) 2000 DT77
 Star Designation          : GDR3 4202162982700284288
 Star Coordinates (ICRF)   : RA = 18 52 33.3779, DE = -11 04 32.117  [2]
 Star Magnitudes           : G = 12.05 mag, RP = 11.12 mag, BP = 12.96 mag
 Object Magnitude          : V = 19.59 mag
 Estimated Magnitude Drop  : 7.5 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 13.6 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4433 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 3.4660 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 56° (sunlit = 90%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.28 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#49
 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 ---------------------------------------------- 02:31:00 +41.3047 +013.0465 +07 248 -14 02:31:07 +39.6986 +006.9313 +12 244 -18 02:31:15 +38.4923 +002.7380 +16 242 -21 02:31:22 +37.4618 -000.6374 +18 239 -24 02:31:30 +36.5382 -003.5303 +21 238 -26 02:31:37 +35.6891 -006.0965 +23 236 -28 02:31:45 +34.8961 -008.4234 +25 234 -29 02:31:52 +34.1476 -010.5658 +27 233 -31 02:32:00 +33.4356 -012.5608 +28 232 -32 02:32:07 +32.7544 -014.4348 +30 230 -33 02:32:15 +32.0996 -016.2075 +32 229 -35 02:32:22 +31.4679 -017.8938 +33 228 -36 02:32:30 +30.8568 -019.5056 +35 227 -37 02:32:37 +30.2639 -021.0523 +36 226 -38 02:32:45 +29.6876 -022.5418 +37 225 -39 02:32:52 +29.1264 -023.9804 +38 224 -40 02:33:00 +28.5790 -025.3736 +40 223 -40 02:33:07 +28.0444 -026.7260 +41 222 -41 02:33:15 +27.5216 -028.0415 +42 220 -42 02:33:22 +27.0098 -029.3235 +43 219 -43 02:33:30 +26.5083 -030.5750 +44 218 -43 02:33:37 +26.0165 -031.7986 +45 217 -44 02:33:45 +25.5339 -032.9967 +46 216 -45 02:33:52 +25.0598 -034.1714 +47 215 -45 02:34:00 +24.5939 -035.3243 +48 214 -46 02:34:07 +24.1358 -036.4574 +49 213 -46 02:34:15 +23.6851 -037.5720 +50 212 -47 02:34:22 +23.2414 -038.6694 +51 211 -47 02:34:30 +22.8046 -039.7511 +52 209 -47 02:34:37 +22.3742 -040.8180 +53 208 -48 02:34:45 +21.9501 -041.8714 +53 207 -48 02:34:52 +21.5319 -042.9120 +54 206 -48 02:35:00 +21.1196 -043.9408 +55 204 -49 02:35:07 +20.7129 -044.9587 +56 203 -49 02:35:15 +20.3115 -045.9664 +56 202 -49 02:35:22 +19.9155 -046.9647 +57 200 -49 02:35:30 +19.5245 -047.9542 +58 199 -49 02:35:37 +19.1384 -048.9356 +58 197 -49 02:35:45 +18.7572 -049.9094 +59 196 -50 02:35:52 +18.3806 -050.8762 +60 194 -50 02:36:00 +18.0087 -051.8366 +60 193 -50 02:36:07 +17.6412 -052.7911 +61 191 -50 02:36:15 +17.2780 -053.7401 +61 189 -50 02:36:22 +16.9191 -054.6842 +62 187 -50 02:36:30 +16.5644 -055.6237 +62 186 -50 02:36:37 +16.2139 -056.5591 +63 184 -49 02:36:45 +15.8673 -057.4909 +63 182 -49 02:36:52 +15.5247 -058.4193 +63 180 -49 02:37:00 +15.1861 -059.3448 +64 178 -49 02:37:07 +14.8512 -060.2678 +64 176 -49 02:37:15 +14.5202 -061.1886 +64 174 -49 02:37:22 +14.1929 -062.1075 +64 172 -48 02:37:30 +13.8693 -063.0250 +65 170 -48 02:37:37 +13.5494 -063.9413 +65 168 -48 02:37:45 +13.2331 -064.8569 +65 165 -48 02:37:52 +12.9204 -065.7719 +65 163 -47 02:38:00 +12.6112 -066.6868 +65 161 -47 02:38:07 +12.3057 -067.6018 +65 159 -47 02:38:15 +12.0036 -068.5173 +65 157 -46 02:38:22 +11.7050 -069.4336 +65 155 -46 02:38:30 +11.4100 -070.3511 +65 153 -45 02:38:37 +11.1184 -071.2700 +65 150 -45 02:38:45 +10.8303 -072.1906 +64 148 -45 02:38:52 +10.5457 -073.1133 +64 146 -44 02:39:00 +10.2646 -074.0385 +64 144 -44 02:39:07 +09.9870 -074.9664 +64 143 -43 02:39:15 +09.7129 -075.8973 +63 141 -43 02:39:22 +09.4423 -076.8318 +63 139 -42 02:39:30 +09.1752 -077.7699 +62 137 -41 02:39:37 +08.9117 -078.7123 +62 135 -41 02:39:45 +08.6518 -079.6591 +62 134 -40 02:39:52 +08.3955 -080.6109 +61 132 -40 02:40:00 +08.1428 -081.5680 +61 130 -39 02:40:07 +07.8939 -082.5307 +60 129 -38 02:40:15 +07.6487 -083.4997 +59 128 -38 02:40:22 +07.4073 -084.4752 +59 126 -37 02:40:30 +07.1698 -085.4577 +58 125 -36 02:40:37 +06.9362 -086.4479 +58 124 -36 02:40:45 +06.7066 -087.4461 +57 122 -35 02:40:52 +06.4811 -088.4529 +56 121 -34 02:41:00 +06.2597 -089.4689 +55 120 -34 02:41:07 +06.0426 -090.4947 +55 119 -33 02:41:15 +05.8299 -091.5310 +54 118 -32 02:41:22 +05.6218 -092.5784 +53 117 -31 02:41:30 +05.4182 -093.6378 +52 116 -30 02:41:37 +05.2194 -094.7099 +51 115 -30 02:41:45 +05.0256 -095.7956 +51 114 -29 02:41:52 +04.8369 -096.8958 +50 113 -28 02:42:00 +04.6535 -098.0117 +49 113 -27 02:42:07 +04.4756 -099.1443 +48 112 -26 02:42:15 +04.3035 -100.2948 +47 111 -25 02:42:22 +04.1374 -101.4647 +46 111 -24 02:42:30 +03.9778 -102.6555 +45 110 -23 02:42:37 +03.8248 -103.8688 +44 109 -22 02:42:45 +03.6788 -105.1067 +43 109 -21 02:42:52 +03.5404 -106.3711 +42 108 -20 02:43:00 +03.4101 -107.6647 +40 108 -19 02:43:07 +03.2883 -108.9902 +39 107 -18 02:43:15 +03.1758 -110.3508 +38 107 -17 02:43:22 +03.0733 -111.7504 +37 106 -15 02:43:30 +02.9819 -113.1934 +35 106 -14 02:43:37 +02.9025 -114.6853 +34 105 -13 02:43:45 +02.8365 -116.2325 +32 105 -11 02:43:52 +02.7855 -117.8429 +31 105 -10 02:44:00 +02.7517 -119.5267 +29 104 -08 02:44:07 +02.7377 -121.2968 +28 104 -07 02:44:15 +02.7469 -123.1703 +26 104 -05 02:44:22 +02.7842 -125.1706 +24 103 -03 02:44:30 +02.8564 -127.3316 +22 103 -01 02:44:37 +02.9739 -129.7050 +20 103 +01 02:44:45 +03.1543 -132.3777 +17 103 +04 02:44:52 +03.4313 -135.5184 +14 102 +07 02:45:00 +03.8908 -139.5583 +10 102 +11 02:45:07 +05.1827 -147.7813 +02 101 +19 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 02:31:00   +41.3047  +013.0465   +07  248  -14 02:31:07   +39.6986  +006.9313   +12  244  -18 02:31:15   +38.4923  +002.7380   +16  242  -21 02:31:22   +37.4618  -000.6374   +18  239  -24 02:31:30   +36.5382  -003.5303   +21  238  -26 02:31:37   +35.6891  -006.0965   +23  236  -28 02:31:45   +34.8961  -008.4234   +25  234  -29 02:31:52   +34.1476  -010.5658   +27  233  -31 02:32:00   +33.4356  -012.5608   +28  232  -32 02:32:07   +32.7544  -014.4348   +30  230  -33 02:32:15   +32.0996  -016.2075   +32  229  -35 02:32:22   +31.4679  -017.8938   +33  228  -36 02:32:30   +30.8568  -019.5056   +35  227  -37 02:32:37   +30.2639  -021.0523   +36  226  -38 02:32:45   +29.6876  -022.5418   +37  225  -39 02:32:52   +29.1264  -023.9804   +38  224  -40 02:33:00   +28.5790  -025.3736   +40  223  -40 02:33:07   +28.0444  -026.7260   +41  222  -41 02:33:15   +27.5216  -028.0415   +42  220  -42 02:33:22   +27.0098  -029.3235   +43  219  -43 02:33:30   +26.5083  -030.5750   +44  218  -43 02:33:37   +26.0165  -031.7986   +45  217  -44 02:33:45   +25.5339  -032.9967   +46  216  -45 02:33:52   +25.0598  -034.1714   +47  215  -45 02:34:00   +24.5939  -035.3243   +48  214  -46 02:34:07   +24.1358  -036.4574   +49  213  -46 02:34:15   +23.6851  -037.5720   +50  212  -47 02:34:22   +23.2414  -038.6694   +51  211  -47 02:34:30   +22.8046  -039.7511   +52  209  -47 02:34:37   +22.3742  -040.8180   +53  208  -48 02:34:45   +21.9501  -041.8714   +53  207  -48 02:34:52   +21.5319  -042.9120   +54  206  -48 02:35:00   +21.1196  -043.9408   +55  204  -49 02:35:07   +20.7129  -044.9587   +56  203  -49 02:35:15   +20.3115  -045.9664   +56  202  -49 02:35:22   +19.9155  -046.9647   +57  200  -49 02:35:30   +19.5245  -047.9542   +58  199  -49 02:35:37   +19.1384  -048.9356   +58  197  -49 02:35:45   +18.7572  -049.9094   +59  196  -50 02:35:52   +18.3806  -050.8762   +60  194  -50 02:36:00   +18.0087  -051.8366   +60  193  -50 02:36:07   +17.6412  -052.7911   +61  191  -50 02:36:15   +17.2780  -053.7401   +61  189  -50 02:36:22   +16.9191  -054.6842   +62  187  -50 02:36:30   +16.5644  -055.6237   +62  186  -50 02:36:37   +16.2139  -056.5591   +63  184  -49 02:36:45   +15.8673  -057.4909   +63  182  -49 02:36:52   +15.5247  -058.4193   +63  180  -49 02:37:00   +15.1861  -059.3448   +64  178  -49 02:37:07   +14.8512  -060.2678   +64  176  -49 02:37:15   +14.5202  -061.1886   +64  174  -49 02:37:22   +14.1929  -062.1075   +64  172  -48 02:37:30   +13.8693  -063.0250   +65  170  -48 02:37:37   +13.5494  -063.9413   +65  168  -48 02:37:45   +13.2331  -064.8569   +65  165  -48 02:37:52   +12.9204  -065.7719   +65  163  -47 02:38:00   +12.6112  -066.6868   +65  161  -47 02:38:07   +12.3057  -067.6018   +65  159  -47 02:38:15   +12.0036  -068.5173   +65  157  -46 02:38:22   +11.7050  -069.4336   +65  155  -46 02:38:30   +11.4100  -070.3511   +65  153  -45 02:38:37   +11.1184  -071.2700   +65  150  -45 02:38:45   +10.8303  -072.1906   +64  148  -45 02:38:52   +10.5457  -073.1133   +64  146  -44 02:39:00   +10.2646  -074.0385   +64  144  -44 02:39:07   +09.9870  -074.9664   +64  143  -43 02:39:15   +09.7129  -075.8973   +63  141  -43 02:39:22   +09.4423  -076.8318   +63  139  -42 02:39:30   +09.1752  -077.7699   +62  137  -41 02:39:37   +08.9117  -078.7123   +62  135  -41 02:39:45   +08.6518  -079.6591   +62  134  -40 02:39:52   +08.3955  -080.6109   +61  132  -40 02:40:00   +08.1428  -081.5680   +61  130  -39 02:40:07   +07.8939  -082.5307   +60  129  -38 02:40:15   +07.6487  -083.4997   +59  128  -38 02:40:22   +07.4073  -084.4752   +59  126  -37 02:40:30   +07.1698  -085.4577   +58  125  -36 02:40:37   +06.9362  -086.4479   +58  124  -36 02:40:45   +06.7066  -087.4461   +57  122  -35 02:40:52   +06.4811  -088.4529   +56  121  -34 02:41:00   +06.2597  -089.4689   +55  120  -34 02:41:07   +06.0426  -090.4947   +55  119  -33 02:41:15   +05.8299  -091.5310   +54  118  -32 02:41:22   +05.6218  -092.5784   +53  117  -31 02:41:30   +05.4182  -093.6378   +52  116  -30 02:41:37   +05.2194  -094.7099   +51  115  -30 02:41:45   +05.0256  -095.7956   +51  114  -29 02:41:52   +04.8369  -096.8958   +50  113  -28 02:42:00   +04.6535  -098.0117   +49  113  -27 02:42:07   +04.4756  -099.1443   +48  112  -26 02:42:15   +04.3035  -100.2948   +47  111  -25 02:42:22   +04.1374  -101.4647   +46  111  -24 02:42:30   +03.9778  -102.6555   +45  110  -23 02:42:37   +03.8248  -103.8688   +44  109  -22 02:42:45   +03.6788  -105.1067   +43  109  -21 02:42:52   +03.5404  -106.3711   +42  108  -20 02:43:00   +03.4101  -107.6647   +40  108  -19 02:43:07   +03.2883  -108.9902   +39  107  -18 02:43:15   +03.1758  -110.3508   +38  107  -17 02:43:22   +03.0733  -111.7504   +37  106  -15 02:43:30   +02.9819  -113.1934   +35  106  -14 02:43:37   +02.9025  -114.6853   +34  105  -13 02:43:45   +02.8365  -116.2325   +32  105  -11 02:43:52   +02.7855  -117.8429   +31  105  -10 02:44:00   +02.7517  -119.5267   +29  104  -08 02:44:07   +02.7377  -121.2968   +28  104  -07 02:44:15   +02.7469  -123.1703   +26  104  -05 02:44:22   +02.7842  -125.1706   +24  103  -03 02:44:30   +02.8564  -127.3316   +22  103  -01 02:44:37   +02.9739  -129.7050   +20  103  +01 02:44:45   +03.1543  -132.3777   +17  103  +04 02:44:52   +03.4313  -135.5184   +14  102  +07 02:45:00   +03.8908  -139.5583   +10  102  +11 02:45:07   +05.1827  -147.7813   +02  101  +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 --------------------------------------------- +41.2619 +012.9708 +41.3478 +013.1231 +39.6635 +006.8926 +39.7338 +006.9702 +38.4600 +002.7116 +38.5246 +002.7644 +37.4310 -000.6570 +37.4925 -000.6178 +36.5085 -003.5454 +36.5678 -003.5151 +35.6603 -006.1084 +35.7179 -006.0845 +34.8679 -008.4329 +34.9242 -008.4139 +34.1200 -010.5734 +34.1752 -010.5582 +33.4085 -012.5668 +33.4627 -012.5548 +32.7277 -014.4395 +32.7811 -014.4301 +32.0732 -016.2110 +32.1260 -016.2039 +31.4419 -017.8964 +31.4940 -017.8912 +30.8310 -019.5073 +30.8825 -019.5038 +30.2384 -021.0533 +30.2894 -021.0513 +29.6624 -022.5421 +29.7129 -022.5415 +29.1014 -023.9802 +29.1514 -023.9807 +28.5542 -025.3728 +28.6039 -025.3745 +28.0198 -026.7247 +28.0690 -026.7273 +27.4972 -028.0398 +27.5461 -028.0432 +26.9856 -029.3214 +27.0341 -029.3256 +26.4842 -030.5725 +26.5325 -030.5775 +25.9926 -031.7958 +26.0405 -031.8015 +25.5100 -032.9936 +25.5577 -032.9999 +25.0361 -034.1679 +25.0835 -034.1748 +24.5703 -035.3206 +24.6175 -035.3281 +24.1123 -036.4534 +24.1593 -036.4614 +23.6617 -037.5677 +23.7084 -037.5762 +23.2182 -038.6650 +23.2647 -038.6739 +22.7814 -039.7464 +22.8277 -039.7558 +22.3512 -040.8132 +22.3973 -040.8229 +21.9271 -041.8663 +21.9730 -041.8764 +21.5091 -042.9068 +21.5548 -042.9172 +21.0968 -043.9354 +21.1424 -043.9462 +20.6902 -044.9532 +20.7356 -044.9643 +20.2889 -045.9608 +20.3342 -045.9721 +19.8929 -046.9589 +19.9380 -046.9705 +19.5020 -047.9482 +19.5470 -047.9602 +19.1160 -048.9295 +19.1609 -048.9416 +18.7348 -049.9031 +18.7796 -049.9156 +18.3583 -050.8699 +18.4029 -050.8825 +17.9864 -051.8302 +18.0309 -051.8430 +17.6190 -052.7845 +17.6634 -052.7976 +17.2559 -053.7335 +17.3002 -053.7468 +16.8971 -054.6774 +16.9412 -054.6909 +16.5424 -055.6169 +16.5865 -055.6306 +16.1919 -056.5522 +16.2359 -056.5661 +15.8454 -057.4838 +15.8893 -057.4979 +15.5028 -058.4122 +15.5467 -058.4264 +15.1642 -059.3376 +15.2079 -059.3520 +14.8294 -060.2605 +14.8731 -060.2750 +14.4984 -061.1812 +14.5420 -061.1959 +14.1711 -062.1001 +14.2147 -062.1149 +13.8476 -063.0175 +13.8911 -063.0325 +13.5277 -063.9338 +13.5711 -063.9489 +13.2114 -064.8492 +13.2548 -064.8645 +12.8987 -065.7642 +12.9420 -065.7796 +12.5896 -066.6790 +12.6329 -066.6945 +12.2841 -067.5940 +12.3273 -067.6096 +11.9820 -068.5094 +12.0252 -068.5252 +11.6835 -069.4257 +11.7266 -069.4416 +11.3884 -070.3431 +11.4315 -070.3591 +11.0969 -071.2619 +11.1399 -071.2780 +10.8088 -072.1825 +10.8518 -072.1987 +10.5242 -073.1051 +10.5672 -073.1215 +10.2431 -074.0302 +10.2861 -074.0467 +09.9655 -074.9581 +10.0084 -074.9747 +09.6914 -075.8890 +09.7343 -075.9057 +09.4208 -076.8233 +09.4637 -076.8402 +09.1538 -077.7615 +09.1966 -077.7784 +08.8903 -078.7038 +08.9331 -078.7208 +08.6304 -079.6505 +08.6732 -079.6677 +08.3741 -080.6023 +08.4169 -080.6196 +08.1214 -081.5593 +08.1642 -081.5767 +07.8725 -082.5220 +07.9153 -082.5395 +07.6273 -083.4908 +07.6701 -083.5085 +07.3859 -084.4663 +07.4287 -084.4841 +07.1484 -085.4488 +07.1912 -085.4667 +06.9148 -086.4388 +06.9576 -086.4569 +06.6852 -087.4369 +06.7280 -087.4552 +06.4596 -088.4437 +06.5025 -088.4621 +06.2383 -089.4596 +06.2811 -089.4782 +06.0212 -090.4853 +06.0641 -090.5041 +05.8085 -091.5215 +05.8514 -091.5404 +05.6003 -092.5688 +05.6432 -092.5880 +05.3967 -093.6281 +05.4397 -093.6474 +05.1979 -094.7001 +05.2409 -094.7196 +05.0041 -095.7857 +05.0471 -095.8054 +04.8153 -096.8858 +04.8584 -096.9058 +04.6319 -098.0016 +04.6750 -098.0218 +04.4540 -099.1340 +04.4972 -099.1545 +04.2819 -100.2844 +04.3251 -100.3052 +04.1158 -101.4542 +04.1591 -101.4753 +03.9561 -102.6447 +03.9995 -102.6662 +03.8030 -103.8579 +03.8465 -103.8798 +03.6571 -105.0955 +03.7006 -105.1178 +03.5186 -106.3598 +03.5623 -106.3825 +03.3882 -107.6531 +03.4320 -107.6763 +03.2663 -108.9783 +03.3103 -109.0020 +03.1538 -110.3386 +03.1978 -110.3630 +03.0512 -111.7378 +03.0955 -111.7629 +02.9597 -113.1805 +03.0041 -113.2064 +02.8802 -114.6719 +02.9248 -114.6987 +02.8140 -116.2185 +02.8589 -116.2464 +02.7630 -117.8284 +02.8081 -117.8575 +02.7290 -119.5115 +02.7745 -119.5420 +02.7148 -121.2807 +02.7606 -121.3130 +02.7238 -123.1531 +02.7701 -123.1875 +02.7608 -125.1521 +02.8076 -125.1892 +02.8326 -127.3113 +02.8802 -127.3520 +02.9496 -129.6823 +02.9982 -129.7278 +03.1292 -132.3514 +03.1794 -132.4041 +03.4050 -135.4859 +03.4576 -135.5510 +03.8617 -139.5119 +03.9200 -139.6050 +05.1088 -147.5085 +05.2681 -148.1131 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.