Cora»OccDetail

Stellar Occultation by (30688) 4194 T-2 on 2024-08-01 (20:16:58 UT)

Event Details
Occultation UUID [and db] : 1eaa1f10-ddb5-11f0-547e-388bffbf14e8 [observed] Occultation Date + Time : 2024-08-01 at 20:16:58 UT +/- 0.01 min [1] Object Designation : (30688) 4194 T-2 Star Designation : GDR3 6842514438815130880 Star Coordinates (ICRF) : RA = 21 25 33.9719, DE = -13 56 43.357 [2] Star Magnitudes : G = 10.82 mag, RP = 10.37 mag, BP = 11.11 mag Object Magnitude : V = 18.22 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.7 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5283 arcs/min @ PA = 245 deg Horizontal Parallax : 5.7660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 139° (sunlit = 7%), Sun = 171° Cross-track uncertainty : 1.3 mas = 1 km = 0.41 path-width (1-sig) RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and db] : 1eaa1f10-ddb5-11f0-547e-388bffbf14e8 [observed] Occultation Date + Time : 2024-08-01 at 20:16:58 UT +/- 0.01 min [1] Object Designation : (30688) 4194 T-2 Star Designation : GDR3 6842514438815130880 Star Coordinates (ICRF) : RA = 21 25 33.9719, DE = -13 56 43.357 [2] Star Magnitudes : G = 10.82 mag, RP = 10.37 mag, BP = 11.11 mag Object Magnitude : V = 18.22 mag Estimated Magnitude Drop : 7.4 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 9.7 km/s Object Mean Diameter : 3.5 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.5283 arcs/min @ PA = 245 deg Horizontal Parallax : 5.7660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 139° (sunlit = 7%), Sun = 171° Cross-track uncertainty : 1.3 mas = 1 km = 0.41 path-width (1-sig) RUWE and duplicate source : 0.87 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 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 ---------------------------------------------- 20:14:24 +69.6345 +030.9464 +03 145 -01 20:14:32 +67.4729 +032.7931 +05 147 -03 20:14:39 +65.9332 +033.3553 +06 147 -04 20:14:47 +64.6572 +033.4601 +07 147 -06 20:14:54 +63.5412 +033.3242 +08 147 -07 20:15:02 +62.5369 +033.0398 +09 147 -07 20:15:09 +61.6172 +032.6546 +10 147 -08 20:15:17 +60.7646 +032.1966 +10 146 -09 20:15:24 +59.9674 +031.6833 +11 146 -09 20:15:32 +59.2171 +031.1264 +11 145 -10 20:15:39 +58.5073 +030.5339 +12 144 -11 20:15:47 +57.8332 +029.9114 +12 144 -11 20:15:54 +57.1909 +029.2630 +12 143 -11 20:16:02 +56.5772 +028.5916 +13 142 -12 20:16:09 +55.9897 +027.8994 +13 142 -12 20:16:17 +55.4262 +027.1878 +13 141 -12 20:16:24 +54.8850 +026.4579 +13 140 -13 20:16:32 +54.3648 +025.7103 +13 139 -13 20:16:39 +53.8643 +024.9453 +14 139 -13 20:16:47 +53.3824 +024.1630 +14 138 -13 20:16:54 +52.9185 +023.3631 +14 137 -13 20:17:02 +52.4717 +022.5452 +14 136 -14 20:17:09 +52.0416 +021.7087 +14 136 -14 20:17:17 +51.6277 +020.8527 +14 135 -14 20:17:24 +51.2298 +019.9760 +13 134 -14 20:17:32 +50.8477 +019.0772 +13 133 -14 20:17:39 +50.4814 +018.1547 +13 132 -14 20:17:47 +50.1310 +017.2063 +13 131 -14 20:17:54 +49.7967 +016.2295 +13 131 -13 20:18:02 +49.4789 +015.2212 +12 130 -13 20:18:09 +49.1783 +014.1778 +12 129 -13 20:18:17 +48.8959 +013.0946 +12 128 -13 20:18:24 +48.6327 +011.9657 +11 127 -13 20:18:32 +48.3905 +010.7837 +11 126 -12 20:18:39 +48.1716 +009.5388 +10 125 -12 20:18:47 +47.9793 +008.2175 +10 124 -11 20:18:54 +47.8182 +006.8011 +09 123 -11 20:19:02 +47.6955 +005.2611 +08 121 -10 20:19:09 +47.6230 +003.5515 +07 120 -09 20:19:17 +47.6226 +001.5878 +06 119 -08 20:19:24 +47.7442 -000.8235 +05 117 -07 20:19:32 +48.1884 -004.4567 +02 114 -05 Longitude measured positiv to the East.

Occultation Ground Track

 ------------------ Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 20:14:24   +69.6345  +030.9464   +03  145  -01 20:14:32   +67.4729  +032.7931   +05  147  -03 20:14:39   +65.9332  +033.3553   +06  147  -04 20:14:47   +64.6572  +033.4601   +07  147  -06 20:14:54   +63.5412  +033.3242   +08  147  -07 20:15:02   +62.5369  +033.0398   +09  147  -07 20:15:09   +61.6172  +032.6546   +10  147  -08 20:15:17   +60.7646  +032.1966   +10  146  -09 20:15:24   +59.9674  +031.6833   +11  146  -09 20:15:32   +59.2171  +031.1264   +11  145  -10 20:15:39   +58.5073  +030.5339   +12  144  -11 20:15:47   +57.8332  +029.9114   +12  144  -11 20:15:54   +57.1909  +029.2630   +12  143  -11 20:16:02   +56.5772  +028.5916   +13  142  -12 20:16:09   +55.9897  +027.8994   +13  142  -12 20:16:17   +55.4262  +027.1878   +13  141  -12 20:16:24   +54.8850  +026.4579   +13  140  -13 20:16:32   +54.3648  +025.7103   +13  139  -13 20:16:39   +53.8643  +024.9453   +14  139  -13 20:16:47   +53.3824  +024.1630   +14  138  -13 20:16:54   +52.9185  +023.3631   +14  137  -13 20:17:02   +52.4717  +022.5452   +14  136  -14 20:17:09   +52.0416  +021.7087   +14  136  -14 20:17:17   +51.6277  +020.8527   +14  135  -14 20:17:24   +51.2298  +019.9760   +13  134  -14 20:17:32   +50.8477  +019.0772   +13  133  -14 20:17:39   +50.4814  +018.1547   +13  132  -14 20:17:47   +50.1310  +017.2063   +13  131  -14 20:17:54   +49.7967  +016.2295   +13  131  -13 20:18:02   +49.4789  +015.2212   +12  130  -13 20:18:09   +49.1783  +014.1778   +12  129  -13 20:18:17   +48.8959  +013.0946   +12  128  -13 20:18:24   +48.6327  +011.9657   +11  127  -13 20:18:32   +48.3905  +010.7837   +11  126  -12 20:18:39   +48.1716  +009.5388   +10  125  -12 20:18:47   +47.9793  +008.2175   +10  124  -11 20:18:54   +47.8182  +006.8011   +09  123  -11 20:19:02   +47.6955  +005.2611   +08  121  -10 20:19:09   +47.6230  +003.5515   +07  120  -09 20:19:17   +47.6226  +001.5878   +06  119  -08 20:19:24   +47.7442  -000.8235   +05  117  -07 20:19:32   +48.1884  -004.4567   +02  114  -05

Longitude measured positiv to the East.

------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +69.3956 +031.4283 +69.8999 +030.3966 +67.3310 +033.0429 +67.6195 +032.5316 +65.8213 +033.5390 +66.0473 +033.1661 +64.5613 +033.6108 +64.7545 +033.3060 +63.4555 +033.4549 +63.6278 +033.1912 +62.4586 +033.1569 +62.6160 +032.9208 +61.5443 +032.7620 +61.6906 +032.5457 +60.6960 +032.2967 +60.8336 +032.0953 +59.9023 +031.7777 +60.0329 +031.5878 +59.1549 +031.2163 +59.2796 +031.0355 +58.4476 +030.6202 +58.5674 +030.4467 +57.7755 +029.9948 +57.8912 +029.8272 +57.1349 +029.3440 +57.2471 +029.1813 +56.5228 +028.6707 +56.6318 +028.5119 +55.9366 +027.9769 +56.0430 +027.8213 +55.3743 +027.2641 +55.4783 +027.1110 +54.8341 +026.5332 +54.9361 +026.3820 +54.3148 +025.7849 +54.4150 +025.6352 +53.8150 +025.0194 +53.9137 +024.8707 +53.3339 +024.2368 +53.4312 +024.0886 +52.8705 +023.4368 +52.9667 +023.2888 +52.4242 +022.6191 +52.5194 +022.4708 +51.9944 +021.7829 +52.0889 +021.6340 +51.5809 +020.9274 +51.6747 +020.7775 +51.1832 +020.0514 +51.2766 +019.9001 +50.8013 +019.1536 +50.8944 +019.0004 +50.4350 +018.2322 +50.5280 +018.0766 +50.0845 +017.2852 +50.1776 +017.1267 +49.7501 +016.3102 +49.8435 +016.1482 +49.4321 +015.3041 +49.5260 +015.1378 +49.1311 +014.2632 +49.2258 +014.0918 +48.8481 +013.1830 +48.9438 +013.0055 +48.5842 +012.0578 +48.6814 +011.8728 +48.3411 +010.8802 +48.4402 +010.6863 +48.1210 +009.6408 +48.2225 +009.4357 +47.9270 +008.3265 +48.0319 +008.1073 +47.7637 +006.9192 +47.8730 +006.6814 +47.6380 +005.3915 +47.7535 +005.1287 +47.5611 +003.6998 +47.6857 +003.4005 +47.5533 +001.7648 +47.6931 +001.4063 +47.6603 -000.5897 +47.8308 -001.0673 +48.0476 -004.0032 +48.3490 -004.9866 Azimuth (Azm) measured from North to East.

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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.