Stellar Occultation by (591) Irmgard on 2018-08-09 (01:58:50 UT)
Event Details
Occultation UUID [and db] : 025a8135-0cd5-46ce-9b0f-55211cecbe69 [observed]
Occultation Date + Time : 2018-08-09 at 01:58:50 UT +/- 0.01 min [1]
Object Designation : (591) Irmgard
Star Designation : GDR3 0116453163444268544
Star Coordinates (ICRF) : RA = 02 55 50.2922, DE = +28 03 22.188 [2]
Star Magnitudes : G = 13.77 mag, RP = 13.21 mag, BP = 14.15 mag
Object Magnitude : V = 16.59 mag
Estimated Magnitude Drop : 2.9 mag
Estimated Max. Duration : 3.0 sec
Object Mean Diameter : 52 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 17.3 km/s
Elongation to Moon & Sun : 55° (sunlit = 8%), Sun = 87°
Cross-track uncertainty : 0.7 mas = 1 km = 0.03 path-width (1-sig)
RUWE and duplicate source : 1.17 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#63
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
(If error 404: link not valid which means no data available)
Aladin Lite direct link (has Gaia overlay)
Occultation Ground Track
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Time[UT] | Lat----CENTR----Lon | Alt Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon
hh:mm:ss | +DD.dddd +DDD.dddd | deg deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd
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01:53:58 -01.0527 -030.7192 +01 062 -75 -01.2139 -031.4086 +00.3856 -027.6470
01:54:01 +02.1168 -025.4936 +07 062 -72 +01.6528 -026.7543 +02.4739 -024.4302
01:54:04 +03.7252 -023.1630 +10 062 -70 +03.4672 -024.0440 +03.9449 -022.3520
01:54:08 +05.0212 -021.4055 +12 062 -68 +04.8449 -022.1375 +05.1759 -020.7128
01:54:11 +06.1540 -019.9450 +14 063 -67 +06.0245 -020.5926 +06.2689 -019.3237
01:54:14 +07.1820 -018.6738 +15 063 -65 +07.0837 -019.2657 +07.2694 -018.1013
01:54:18 +08.1352 -017.5368 +17 063 -64 +08.0596 -018.0887 +08.2021 -017.0001
01:54:21 +09.0314 -016.5010 +18 063 -63 +08.9733 -017.0227 +09.0824 -015.9920
01:54:24 +09.8826 -015.5452 +19 064 -62 +09.8384 -016.0429 +09.9206 -015.0581
01:54:27 +10.6966 -014.6544 +20 064 -61 +10.6641 -015.1327 +10.7240 -014.1853
01:54:31 +11.4797 -013.8177 +21 064 -60 +11.4568 -014.2801 +11.4979 -013.3636
01:54:34 +12.2362 -013.0271 +23 064 -59 +12.2217 -013.4759 +12.2466 -012.5857
01:54:37 +12.9698 -012.2762 +24 065 -58 +12.9625 -012.7135 +12.9733 -011.8456
01:54:41 +13.6831 -011.5599 +24 065 -57 +13.6822 -011.9872 +13.6805 -011.1387
01:54:44 +14.3786 -010.8741 +25 065 -56 +14.3834 -011.2928 +14.3706 -010.4611
01:54:47 +15.0580 -010.2155 +26 066 -55 +15.0679 -010.6266 +15.0451 -009.8097
01:54:51 +15.7230 -009.5812 +27 066 -54 +15.7376 -009.9857 +15.7056 -009.1818
01:54:54 +16.3749 -008.9689 +28 066 -53 +16.3937 -009.3674 +16.3535 -008.5751
01:54:57 +17.0149 -008.3766 +29 067 -52 +17.0376 -008.7698 +16.9897 -007.9877
01:55:00 +17.6440 -007.8023 +29 067 -51 +17.6702 -008.1908 +17.6153 -007.4180
01:55:04 +18.2630 -007.2448 +30 068 -51 +18.2925 -007.6290 +18.2311 -006.8645
01:55:07 +18.8726 -006.7025 +31 068 -50 +18.9053 -007.0830 +18.8378 -006.3258
01:55:10 +19.4737 -006.1743 +32 068 -49 +19.5092 -006.5514 +19.4361 -005.8009
01:55:14 +20.0668 -005.6592 +32 069 -48 +20.1050 -006.0333 +20.0265 -005.2888
01:55:17 +20.6523 -005.1562 +33 069 -47 +20.6931 -005.5275 +20.6096 -004.7884
01:55:20 +21.2309 -004.6645 +34 070 -47 +21.2742 -005.0334 +21.1858 -004.2991
01:55:24 +21.8030 -004.1834 +34 070 -46 +21.8485 -004.5500 +21.7556 -003.8200
01:55:27 +22.3689 -003.7120 +35 071 -45 +22.4166 -004.0766 +22.3194 -003.3506
01:55:30 +22.9290 -003.2499 +35 071 -45 +22.9788 -003.6127 +22.8775 -002.8902
01:55:33 +23.4837 -002.7964 +36 071 -44 +23.5355 -003.1576 +23.4303 -002.4382
01:55:37 +24.0333 -002.3510 +37 072 -43 +24.0869 -002.7108 +23.9780 -001.9942
01:55:40 +24.5780 -001.9132 +37 072 -42 +24.6334 -002.2718 +24.5209 -001.5576
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01:56:10 +29.2996 +001.7469 +42 077 -37 +29.3690 +001.3936 +29.2288 +002.0975
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01:57:09 +38.1104 +008.1329 +48 089 -26 +38.2011 +007.7689 +38.0186 +008.4942
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01:57:55 +44.6672 +012.7304 +51 100 -19 +44.7728 +012.3431 +44.5604 +013.1146
01:57:59 +45.1308 +013.0562 +51 101 -18 +45.2376 +012.6667 +45.0230 +013.4426
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01:58:12 +46.9826 +014.3632 +52 105 -16 +47.0938 +013.9643 +46.8703 +014.7587
01:58:15 +47.4450 +014.6914 +52 105 -16 +47.5574 +014.2900 +47.3316 +015.0894
01:58:18 +47.9074 +015.0204 +52 106 -15 +48.0208 +014.6164 +47.7928 +015.4210
01:58:22 +48.3696 +015.3504 +52 107 -15 +48.4842 +014.9436 +48.2539 +015.7537
01:58:25 +48.8318 +015.6814 +52 108 -14 +48.9476 +015.2719 +48.7150 +016.0874
01:58:28 +49.2941 +016.0137 +52 109 -14 +49.4111 +015.6013 +49.1760 +016.4225
01:58:32 +49.7564 +016.3473 +52 110 -14 +49.8746 +015.9319 +49.6372 +016.7590
01:58:35 +50.2189 +016.6823 +52 111 -13 +50.3382 +016.2639 +50.0984 +017.0970
01:58:38 +50.6814 +017.0190 +53 112 -13 +50.8020 +016.5975 +50.5598 +017.4367
01:58:42 +51.1442 +017.3574 +53 113 -12 +51.2661 +016.9326 +51.0213 +017.7783
01:58:45 +51.6073 +017.6977 +53 114 -12 +51.7304 +017.2696 +51.4831 +018.1218
01:58:48 +52.0706 +018.0401 +53 115 -11 +52.1950 +017.6085 +51.9451 +018.4675
01:58:51 +52.5342 +018.3847 +53 116 -11 +52.6599 +017.9496 +52.4075 +018.8155
01:58:55 +52.9983 +018.7316 +53 117 -10 +53.1252 +018.2929 +52.8702 +019.1661
01:58:58 +53.4627 +019.0811 +53 118 -10 +53.5910 +018.6387 +53.3333 +019.5192
01:59:01 +53.9276 +019.4334 +53 119 -09 +54.0573 +018.9871 +53.7969 +019.8752
01:59:05 +54.3930 +019.7886 +53 120 -09 +54.5241 +019.3383 +54.2609 +020.2343
01:59:08 +54.8590 +020.1469 +52 121 -08 +54.9914 +019.6925 +54.7255 +020.5965
01:59:11 +55.3256 +020.5085 +52 121 -08 +55.4594 +020.0499 +55.1906 +020.9622
01:59:15 +55.7927 +020.8737 +52 122 -07 +55.9280 +020.4108 +55.6563 +021.3316
01:59:18 +56.2606 +021.2426 +52 123 -07 +56.3974 +020.7753 +56.1227 +021.7049
01:59:21 +56.7292 +021.6156 +52 124 -06 +56.8675 +021.1436 +56.5898 +022.0824
01:59:24 +57.1986 +021.9928 +52 125 -06 +57.3384 +021.5161 +57.0576 +022.4642
01:59:28 +57.6687 +022.3746 +52 126 -05 +57.8101 +021.8930 +57.5262 +022.8508
01:59:31 +58.1398 +022.7613 +52 127 -05 +58.2827 +022.2746 +57.9956 +023.2423
01:59:34 +58.6117 +023.1530 +52 128 -04 +58.7563 +022.6612 +58.4659 +023.6390
01:59:38 +59.0846 +023.5502 +52 129 -04 +59.2308 +023.0530 +58.9371 +024.0414
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01:59:44 +60.0333 +024.3624 +51 131 -03 +60.1831 +023.8539 +59.8824 +024.8644
01:59:48 +60.5093 +024.7780 +51 132 -03 +60.6608 +024.2637 +60.3566 +025.2858
01:59:51 +60.9864 +025.2007 +51 133 -02 +61.1398 +024.6803 +60.8319 +025.7142
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01:59:57 +61.9441 +026.0687 +51 135 -01 +62.1013 +025.5356 +61.7858 +026.5944
02:00:01 +62.4249 +026.5150 +50 136 -01 +62.5841 +025.9752 +62.2645 +027.0472
02:00:04 +62.9069 +026.9703 +50 137 +00 +63.0682 +026.4236 +62.7446 +027.5090
02:00:07 +63.3903 +027.4350 +50 138 +00 +63.5536 +026.8813 +63.2259 +027.9806
02:00:11 +63.8751 +027.9100 +50 139 +01 +64.0406 +027.3490 +63.7085 +028.4626
02:00:14 +64.3613 +028.3958 +50 140 +01 +64.5290 +027.8272 +64.1925 +028.9556
02:00:17 +64.8490 +028.8933 +49 141 +02 +65.0190 +028.3169 +64.6779 +029.4605
02:00:21 +65.3383 +029.4032 +49 142 +02 +65.5106 +028.8187 +65.1648 +029.9781
02:00:24 +65.8290 +029.9264 +49 143 +03 +66.0038 +029.3336 +65.6531 +030.5092
02:00:27 +66.3214 +030.4639 +49 144 +03 +66.4987 +029.8626 +66.1430 +031.0549
02:00:30 +66.8154 +031.0168 +48 145 +03 +66.9953 +030.4066 +66.6344 +031.6162
02:00:34 +67.3111 +031.5863 +48 147 +04 +67.4936 +030.9669 +67.1274 +032.1942
02:00:37 +67.8085 +032.1735 +48 148 +04 +67.9938 +031.5447 +67.6220 +032.7903
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02:01:00 +71.3395 +036.9222 +45 156 +08 +71.5473 +036.2199 +71.1306 +037.6076
02:01:03 +71.8510 +037.7179 +45 157 +08 +72.0626 +037.0041 +71.6383 +038.4137
02:01:07 +72.3642 +038.5514 +45 158 +09 +72.5798 +037.8260 +72.1477 +039.2577
02:01:10 +72.8791 +039.4266 +44 159 +09 +73.0987 +038.6895 +72.6584 +040.1434
02:01:13 +73.3955 +040.3477 +44 161 +10 +73.6194 +039.5991 +73.1706 +041.0750
02:01:17 +73.9133 +041.3198 +43 162 +10 +74.1417 +040.5596 +73.6840 +042.0572
02:01:20 +74.4324 +042.3482 +43 163 +10 +74.6655 +041.5768 +74.1984 +043.0955
02:01:23 +74.9527 +043.4395 +43 165 +11 +75.1907 +042.6573 +74.7138 +044.1961
02:01:27 +75.4737 +044.6010 +42 166 +11 +75.7169 +043.8088 +75.2298 +045.3659
02:01:30 +75.9954 +045.8412 +42 168 +12 +76.2440 +045.0401 +75.7461 +046.6133
02:01:33 +76.5172 +047.1698 +41 170 +12 +76.7715 +046.3613 +76.2623 +047.9475
02:01:36 +77.0387 +048.5984 +41 171 +13 +77.2989 +047.7846 +76.7779 +049.3794
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02:02:26 +83.6577 +098.8233 +33 226 +20 +83.9894 +099.8825 +83.3265 +097.8894
02:02:29 +83.8166 +105.6335 +32 233 +20 +84.1344 +107.1286 +83.4972 +104.3089
02:02:33 +83.8931 +112.8322 +31 240 +21 +84.1903 +114.7634 +83.5915 +111.1093
02:02:36 +83.8788 +120.2498 +31 248 +21 +84.1487 +122.5758 +83.6012 +118.1543
02:02:39 +83.7686 +127.6824 +30 255 +22 +84.0056 +130.3236 +83.5206 +125.2733
02:02:42 +83.5612 +134.9254 +29 263 +22 +83.7611 +137.7789 +83.3473 +132.2861
02:02:46 +83.2588 +141.8076 +28 270 +23 +83.4192 +144.7672 +83.0817 +139.0305
02:02:49 +82.8660 +148.2126 +28 276 +23 +82.9863 +151.1855 +82.7270 +145.3842
02:02:52 +82.3887 +154.0824 +27 282 +23 +82.4695 +156.9981 +82.2880 +151.2738
02:02:56 +81.8331 +159.4086 +26 288 +24 +81.8756 +162.2198 +81.7700 +156.6715
02:02:59 +81.2045 +164.2167 +25 293 +24 +81.2101 +166.8964 +81.1779 +161.5845
02:03:02 +80.5068 +168.5526 +24 297 +25 +80.4769 +171.0884 +80.5156 +166.0436
02:03:06 +79.7425 +172.4707 +23 301 +25 +79.6779 +174.8608 +79.7857 +170.0922
02:03:09 +78.9119 +176.0276 +22 305 +26 +78.8131 +178.2767 +78.9892 +173.7794
02:03:12 +78.0136 +179.2778 +21 308 +26 +77.8802 -178.6056 +78.1251 +177.1548
02:03:15 +77.0435 -177.7277 +20 311 +27 +76.8741 -175.7325 +77.1904 -179.7337
02:03:19 +75.9948 -174.9412 +19 314 +27 +75.7868 -173.0553 +76.1791 -176.8406
02:03:22 +74.8565 -172.3181 +17 317 +28 +74.6055 -170.5279 +75.0819 -174.1225
02:03:25 +73.6119 -169.8137 +16 319 +28 +73.3105 -168.1043 +73.8845 -171.5363
02:03:29 +72.2347 -167.3804 +15 322 +29 +71.8709 -165.7340 +72.5646 -169.0371
02:03:32 +70.6815 -164.9602 +13 324 +29 +70.2337 -163.3526 +71.0859 -166.5717
02:03:35 +68.8726 -162.4680 +11 326 +29 +68.2963 -160.8579 +69.3849 -164.0671
02:03:39 +66.6298 -159.7383 +08 329 +30 +65.8033 -158.0225 +67.3307 -161.3957
02:03:42 +63.3144 -156.2126 +05 332 +30 +61.2804 -153.5851 +64.5488 -158.2210
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East.