Cora»OccDetail

Stellar Occultation by (476) Hedwig on 2023-08-23 (00:59:34 UT)

Event Details
Occultation UUID [and db] : fb8b9a00-ddb3-11f0-547e-674effb5be5e [observed] Occultation Date + Time : 2023-08-23 at 00:59:34 UT +/- 0.0 min [1] Object Designation : (476) Hedwig Star Designation : GDR3 3433464579467239424 Star Coordinates (ICRF) : RA = 06 22 05.4395, DE = +27 50 23.765 [2] Star Magnitudes : G = 13.77 mag, RP = 13.42 mag, BP = 13.98 mag Object Magnitude : V = 14.4 mag Estimated Magnitude Drop : 1.1 mag Estimated Max. Duration : 3.6 sec Speed of the shadow : 32.7 km/s Object Mean Diameter : 116.8 km (src: astorb) => apparent = 49 mas Apparent Motion : 0.8267 arcs/min @ PA = 95 deg Horizontal Parallax : 2.6810 arcs Dynamical Class : MBA Elongation to Moon & Sun : 128° (sunlit = 36%), Sun = 55° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#141 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : fb8b9a00-ddb3-11f0-547e-674effb5be5e [observed]

 Occultation Date + Time   : 2023-08-23 at 00:59:34 UT +/- 0.0 min  [1]
 Object Designation        : (476) Hedwig
 Star Designation          : GDR3 3433464579467239424
 Star Coordinates (ICRF)   : RA = 06 22 05.4395, DE = +27 50 23.765  [2]
 Star Magnitudes           : G = 13.77 mag, RP = 13.42 mag, BP = 13.98 mag
 Object Magnitude          : V = 14.4 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 3.6 sec
 Speed of the shadow       : 32.7 km/s
 Object Mean Diameter      : 116.8 km  (src: astorb) => apparent = 49 mas
 Apparent Motion           : 0.8267 arcs/min @ PA = 95 deg
 Horizontal Parallax       : 2.6810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 36%), Sun = 55°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#141
 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

(If error 404: link not valid which means no data available)

Interactive map

Download KMZ file

Aladin Sky Atlas

Aladin Lite direct link (has Gaia overlay)

Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 00:57:15 +46.2625 +002.3413 +09 058 -30 00:57:19 +49.1619 +007.4542 +13 062 -26 00:57:23 +51.3197 +011.4201 +16 066 -23 00:57:27 +53.1211 +014.8795 +19 069 -21 00:57:31 +54.6993 +018.0534 +21 072 -19 00:57:35 +56.1187 +021.0503 +23 074 -16 00:57:39 +57.4164 +023.9338 +25 077 -14 00:57:43 +58.6158 +026.7456 +27 080 -13 00:57:47 +59.7325 +029.5150 +28 083 -11 00:57:51 +60.7777 +032.2642 +30 086 -09 00:57:55 +61.7592 +035.0104 +31 089 -07 00:57:59 +62.6830 +037.7677 +33 092 -06 00:58:03 +63.5533 +040.5478 +34 095 -04 00:58:07 +64.3734 +043.3604 +35 098 -03 00:58:10 +65.1456 +046.2142 +36 101 -01 00:58:14 +65.8715 +049.1161 +37 105 +00 00:58:18 +66.5523 +052.0723 +38 108 +01 00:58:22 +67.1885 +055.0876 +39 112 +03 00:58:26 +67.7805 +058.1657 +40 116 +04 00:58:30 +68.3283 +061.3090 +41 119 +05 00:58:34 +68.8316 +064.5188 +41 123 +07 00:58:38 +69.2900 +067.7949 +42 127 +08 00:58:42 +69.7030 +071.1354 +43 131 +09 00:58:46 +70.0700 +074.5373 +43 136 +10 00:58:50 +70.3905 +077.9956 +44 140 +12 00:58:54 +70.6637 +081.5039 +44 144 +13 00:58:58 +70.8893 +085.0544 +45 149 +14 00:59:02 +71.0669 +088.6377 +45 153 +15 00:59:06 +71.1963 +092.2435 +46 158 +16 00:59:09 +71.2774 +095.8605 +46 162 +17 00:59:13 +71.3106 +099.4770 +46 167 +18 00:59:17 +71.2961 +103.0809 +46 172 +19 00:59:21 +71.2346 +106.6605 +47 176 +21 00:59:25 +71.1271 +110.2045 +47 181 +22 00:59:29 +70.9746 +113.7026 +47 185 +23 00:59:33 +70.7783 +117.1454 +47 190 +24 00:59:37 +70.5395 +120.5249 +47 194 +25 00:59:41 +70.2598 +123.8346 +47 199 +26 00:59:45 +69.9406 +127.0692 +47 203 +27 00:59:49 +69.5836 +130.2250 +47 207 +28 00:59:53 +69.1903 +133.2998 +46 211 +29 00:59:57 +68.7622 +136.2924 +46 215 +30 01:00:01 +68.3007 +139.2029 +46 219 +31 01:00:04 +67.8072 +142.0323 +46 223 +32 01:00:08 +67.2830 +144.7827 +45 227 +33 01:00:12 +66.7291 +147.4565 +45 230 +34 01:00:16 +66.1467 +150.0570 +44 234 +34 01:00:20 +65.5365 +152.5880 +44 237 +35 01:00:24 +64.8993 +155.0535 +43 240 +36 01:00:28 +64.2356 +157.4579 +43 243 +37 01:00:32 +63.5456 +159.8058 +42 247 +38 01:00:36 +62.8298 +162.1020 +41 250 +39 01:00:40 +62.0879 +164.3516 +41 252 +39 01:00:44 +61.3197 +166.5598 +40 255 +40 01:00:48 +60.5248 +168.7319 +39 258 +41 01:00:52 +59.7025 +170.8735 +38 261 +42 01:00:56 +58.8518 +172.9904 +37 263 +42 01:00:59 +57.9712 +175.0889 +36 266 +43 01:01:03 +57.0590 +177.1755 +35 268 +44 01:01:07 +56.1130 +179.2574 +34 271 +44 01:01:11 +55.1302 -178.6573 +33 273 +45 01:01:15 +54.1071 -176.5594 +31 275 +45 01:01:19 +53.0389 -174.4385 +30 278 +46 01:01:23 +51.9196 -172.2816 +28 280 +46 01:01:27 +50.7412 -170.0728 +27 282 +46 01:01:31 +49.4928 -167.7916 +25 284 +46 01:01:35 +48.1592 -165.4101 +23 286 +46 01:01:39 +46.7179 -162.8879 +21 289 +46 01:01:43 +45.1333 -160.1627 +19 291 +45 01:01:47 +43.3433 -157.1254 +16 293 +45 01:01:51 +41.2176 -153.5495 +13 296 +43 01:01:54 +38.3616 -148.7449 +08 299 +41 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 00:57:15   +46.2625  +002.3413   +09  058  -30 00:57:19   +49.1619  +007.4542   +13  062  -26 00:57:23   +51.3197  +011.4201   +16  066  -23 00:57:27   +53.1211  +014.8795   +19  069  -21 00:57:31   +54.6993  +018.0534   +21  072  -19 00:57:35   +56.1187  +021.0503   +23  074  -16 00:57:39   +57.4164  +023.9338   +25  077  -14 00:57:43   +58.6158  +026.7456   +27  080  -13 00:57:47   +59.7325  +029.5150   +28  083  -11 00:57:51   +60.7777  +032.2642   +30  086  -09 00:57:55   +61.7592  +035.0104   +31  089  -07 00:57:59   +62.6830  +037.7677   +33  092  -06 00:58:03   +63.5533  +040.5478   +34  095  -04 00:58:07   +64.3734  +043.3604   +35  098  -03 00:58:10   +65.1456  +046.2142   +36  101  -01 00:58:14   +65.8715  +049.1161   +37  105  +00 00:58:18   +66.5523  +052.0723   +38  108  +01 00:58:22   +67.1885  +055.0876   +39  112  +03 00:58:26   +67.7805  +058.1657   +40  116  +04 00:58:30   +68.3283  +061.3090   +41  119  +05 00:58:34   +68.8316  +064.5188   +41  123  +07 00:58:38   +69.2900  +067.7949   +42  127  +08 00:58:42   +69.7030  +071.1354   +43  131  +09 00:58:46   +70.0700  +074.5373   +43  136  +10 00:58:50   +70.3905  +077.9956   +44  140  +12 00:58:54   +70.6637  +081.5039   +44  144  +13 00:58:58   +70.8893  +085.0544   +45  149  +14 00:59:02   +71.0669  +088.6377   +45  153  +15 00:59:06   +71.1963  +092.2435   +46  158  +16 00:59:09   +71.2774  +095.8605   +46  162  +17 00:59:13   +71.3106  +099.4770   +46  167  +18 00:59:17   +71.2961  +103.0809   +46  172  +19 00:59:21   +71.2346  +106.6605   +47  176  +21 00:59:25   +71.1271  +110.2045   +47  181  +22 00:59:29   +70.9746  +113.7026   +47  185  +23 00:59:33   +70.7783  +117.1454   +47  190  +24 00:59:37   +70.5395  +120.5249   +47  194  +25 00:59:41   +70.2598  +123.8346   +47  199  +26 00:59:45   +69.9406  +127.0692   +47  203  +27 00:59:49   +69.5836  +130.2250   +47  207  +28 00:59:53   +69.1903  +133.2998   +46  211  +29 00:59:57   +68.7622  +136.2924   +46  215  +30 01:00:01   +68.3007  +139.2029   +46  219  +31 01:00:04   +67.8072  +142.0323   +46  223  +32 01:00:08   +67.2830  +144.7827   +45  227  +33 01:00:12   +66.7291  +147.4565   +45  230  +34 01:00:16   +66.1467  +150.0570   +44  234  +34 01:00:20   +65.5365  +152.5880   +44  237  +35 01:00:24   +64.8993  +155.0535   +43  240  +36 01:00:28   +64.2356  +157.4579   +43  243  +37 01:00:32   +63.5456  +159.8058   +42  247  +38 01:00:36   +62.8298  +162.1020   +41  250  +39 01:00:40   +62.0879  +164.3516   +41  252  +39 01:00:44   +61.3197  +166.5598   +40  255  +40 01:00:48   +60.5248  +168.7319   +39  258  +41 01:00:52   +59.7025  +170.8735   +38  261  +42 01:00:56   +58.8518  +172.9904   +37  263  +42 01:00:59   +57.9712  +175.0889   +36  266  +43 01:01:03   +57.0590  +177.1755   +35  268  +44 01:01:07   +56.1130  +179.2574   +34  271  +44 01:01:11   +55.1302  -178.6573   +33  273  +45 01:01:15   +54.1071  -176.5594   +31  275  +45 01:01:19   +53.0389  -174.4385   +30  278  +46 01:01:23   +51.9196  -172.2816   +28  280  +46 01:01:27   +50.7412  -170.0728   +27  282  +46 01:01:31   +49.4928  -167.7916   +25  284  +46 01:01:35   +48.1592  -165.4101   +23  286  +46 01:01:39   +46.7179  -162.8879   +21  289  +46 01:01:43   +45.1333  -160.1627   +19  291  +45 01:01:47   +43.3433  -157.1254   +16  293  +45 01:01:51   +41.2176  -153.5495   +13  296  +43 01:01:54   +38.3616  -148.7449   +08  299  +41

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +44.9777 -001.4721 +47.0308 +005.3154 +48.6491 +004.8486 +49.5209 +009.8115 +51.0575 +009.1654 +51.4936 +013.5280 +53.0004 +012.7998 +53.1796 +016.8497 +54.6755 +016.0783 +54.6745 +019.9363 +56.1687 +019.1441 +56.0286 +022.8733 +57.5264 +022.0760 +57.2720 +025.7130 +58.7768 +024.9237 +58.4246 +028.4910 +59.9385 +027.7213 +59.4996 +031.2328 +61.0243 +030.4939 +60.5069 +033.9580 +62.0431 +033.2611 +61.4534 +036.6820 +63.0018 +036.0385 +62.3444 +039.4172 +63.9051 +038.8394 +63.1836 +042.1741 +64.7566 +041.6748 +63.9741 +044.9616 +65.5589 +044.5544 +64.7179 +047.7870 +66.3138 +047.4862 +65.4166 +050.6566 +67.0225 +050.4775 +66.0711 +053.5755 +67.6856 +053.5339 +66.6820 +056.5478 +68.3036 +056.6601 +67.2497 +059.5764 +68.8763 +059.8595 +67.7742 +062.6632 +69.4034 +063.1339 +68.2553 +065.8086 +69.8844 +066.4837 +68.6928 +069.0123 +70.3186 +069.9076 +69.0863 +072.2720 +70.7054 +073.4025 +69.4352 +075.5847 +71.0438 +076.9635 +69.7391 +078.9457 +71.3332 +080.5835 +69.9976 +082.3489 +71.5729 +084.2541 +70.2104 +085.7873 +71.7625 +087.9649 +70.3772 +089.2526 +71.9015 +091.7040 +70.4978 +092.7355 +71.9899 +095.4585 +70.5725 +096.2262 +72.0279 +099.2149 +70.6013 +099.7146 +72.0157 +102.9593 +70.5847 +103.1901 +71.9542 +106.6779 +70.5234 +106.6427 +71.8443 +110.3576 +70.4181 +110.0625 +71.6872 +113.9865 +70.2699 +113.4406 +71.4841 +117.5538 +70.0797 +116.7689 +71.2367 +121.0503 +69.8489 +120.0403 +70.9467 +124.4687 +69.5787 +123.2488 +70.6156 +127.8033 +69.2706 +126.3900 +70.2453 +131.0501 +68.9258 +129.4602 +69.8376 +134.2067 +68.5458 +132.4572 +69.3940 +137.2723 +68.1320 +135.3798 +68.9163 +140.2473 +67.6857 +138.2278 +68.4059 +143.1334 +67.2080 +141.0019 +67.8642 +145.9329 +66.7002 +143.7036 +67.2925 +148.6491 +66.1632 +146.3349 +66.6918 +151.2860 +65.5980 +148.8985 +66.0630 +153.8479 +65.0055 +151.3976 +65.4069 +156.3394 +64.3861 +153.8357 +64.7241 +158.7658 +63.7405 +156.2167 +64.0150 +161.1320 +63.0689 +158.5446 +63.2796 +163.4436 +62.3716 +160.8238 +62.5180 +165.7062 +61.6485 +163.0588 +61.7299 +167.9253 +60.8995 +165.2543 +60.9147 +170.1070 +60.1241 +167.4153 +60.0717 +172.2571 +59.3216 +169.5468 +59.1997 +174.3822 +58.4911 +171.6544 +58.2972 +176.4887 +57.6315 +173.7436 +57.3623 +178.5839 +56.7410 +175.8207 +56.3925 -179.3245 +55.8175 +177.8923 +55.3846 -177.2278 +54.8586 +179.9659 +54.3346 -175.1161 +53.8608 -177.9500 +53.2372 -172.9777 +52.8200 -175.8457 +52.0858 -170.7986 +51.7307 -173.7096 +50.8711 -168.5609 +50.5858 -171.5273 +49.5806 -166.2412 +49.3758 -169.2806 +48.1966 -163.8071 +48.0875 -166.9450 +46.6919 -161.2105 +46.7019 -164.4864 +45.0219 -158.3734 +45.1901 -161.8533 +43.1036 -155.1513 +43.5036 -158.9608 +40.7412 -151.2038 +41.5496 -155.6466 +37.0624 -145.0061 +39.0974 -151.5073 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.