Cora»OccDetail

Stellar Occultation by (385) Ilmatar on 2021-08-26 (21:24:42 UT)

Event Details
Occultation UUID [and db] : 73da3ce1-3a7b-4d3f-9979-0e5b80611b47 [observed] Occultation Date + Time : 2021-08-26 at 21:24:42 UT +/- 0.01 min [1] Object Designation : (385) Ilmatar Star Designation : GDR3 2747720828153800576 Star Coordinates (ICRF) : RA = 00 20 47.2471, DE = +06 44 23.709 [2] Star Magnitudes : G = 8.76 mag, RP = 8.06 mag, BP = 9.3 mag Object Magnitude : V = 12.88 mag Estimated Magnitude Drop : 4.1 mag Estimated Max. Duration : 8.6 sec Object Mean Diameter : 92 km (src: astorb) Orbital Class : MBA Speed of the shadow : 10.7 km/s Elongation to Moon & Sun : 20° (sunlit = 80%), Sun = 146° Cross-track uncertainty : 3.3 mas = 5 km = 0.06 path-width (1-sig) RUWE and duplicate source : 0.91 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#124 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 73da3ce1-3a7b-4d3f-9979-0e5b80611b47 [observed]

 Occultation Date + Time   : 2021-08-26 at 21:24:42 UT +/- 0.01 min  [1]
 Object Designation        : (385) Ilmatar
 Star Designation          : GDR3 2747720828153800576
 Star Coordinates (ICRF)   : RA = 00 20 47.2471, DE = +06 44 23.709  [2]
 Star Magnitudes           : G = 8.76 mag, RP = 8.06 mag, BP = 9.3 mag
 Object Magnitude          : V = 12.88 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 8.6 sec
 Object Mean Diameter      : 92 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.7 km/s
 Elongation to Moon & Sun  : 20° (sunlit = 80%), Sun = 146°
 Cross-track uncertainty   : 3.3 mas = 5 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 0.91 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#124

 
 [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

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 ---------------------------------------------- 21:16:55 +37.1595 +161.9927 +03 276 +31 21:17:04 +38.1575 +153.7074 +10 271 +24 21:17:14 +38.7131 +149.0858 +13 268 +20 21:17:23 +39.1480 +145.4368 +16 266 +17 21:17:33 +39.5176 +142.3028 +18 264 +15 21:17:42 +39.8441 +139.4999 +20 262 +13 21:17:51 +40.1392 +136.9319 +22 260 +11 21:18:01 +40.4101 +134.5413 +24 258 +09 21:18:10 +40.6613 +132.2903 +25 256 +08 21:18:20 +40.8962 +130.1526 +27 255 +06 21:18:29 +41.1171 +128.1090 +28 253 +05 21:18:38 +41.3258 +126.1450 +30 251 +03 21:18:48 +41.5237 +124.2491 +31 250 +02 21:18:57 +41.7120 +122.4125 +32 248 +01 21:19:07 +41.8915 +120.6277 +33 246 -01 21:19:16 +42.0631 +118.8888 +34 245 -02 21:19:25 +42.2274 +117.1906 +35 243 -03 21:19:35 +42.3848 +115.5290 +36 242 -04 21:19:44 +42.5359 +113.9002 +37 240 -05 21:19:54 +42.6811 +112.3010 +38 238 -06 21:20:03 +42.8206 +110.7287 +39 237 -07 21:20:13 +42.9548 +109.1809 +40 235 -08 21:20:22 +43.0840 +107.6555 +41 234 -09 21:20:31 +43.2084 +106.1503 +42 232 -10 21:20:41 +43.3281 +104.6639 +42 230 -11 21:20:50 +43.4434 +103.1946 +43 229 -12 21:21:00 +43.5545 +101.7410 +44 227 -13 21:21:09 +43.6614 +100.3018 +44 225 -13 21:21:18 +43.7643 +098.8759 +45 223 -14 21:21:28 +43.8633 +097.4622 +46 222 -15 21:21:37 +43.9586 +096.0596 +46 220 -16 21:21:47 +44.0502 +094.6674 +47 218 -17 21:21:56 +44.1383 +093.2846 +47 216 -17 21:22:05 +44.2228 +091.9104 +48 214 -18 21:22:15 +44.3039 +090.5441 +48 213 -19 21:22:24 +44.3816 +089.1849 +49 211 -20 21:22:34 +44.4560 +087.8323 +49 209 -20 21:22:43 +44.5271 +086.4856 +49 207 -21 21:22:52 +44.5950 +085.1441 +50 205 -22 21:23:02 +44.6597 +083.8073 +50 203 -22 21:23:11 +44.7213 +082.4747 +50 201 -23 21:23:21 +44.7798 +081.1457 +51 199 -24 21:23:30 +44.8352 +079.8198 +51 197 -24 21:23:39 +44.8875 +078.4966 +51 195 -25 21:23:49 +44.9368 +077.1755 +51 193 -25 21:23:58 +44.9830 +075.8561 +51 191 -26 21:24:08 +45.0263 +074.5378 +51 189 -26 21:24:17 +45.0665 +073.2204 +51 187 -27 21:24:26 +45.1037 +071.9032 +52 185 -27 21:24:36 +45.1379 +070.5860 +52 183 -28 21:24:45 +45.1691 +069.2682 +52 181 -28 21:24:55 +45.1974 +067.9493 +52 179 -29 21:25:04 +45.2226 +066.6291 +51 177 -29 21:25:14 +45.2447 +065.3069 +51 175 -30 21:25:23 +45.2639 +063.9824 +51 173 -30 21:25:32 +45.2800 +062.6551 +51 171 -31 21:25:42 +45.2930 +061.3246 +51 169 -31 21:25:51 +45.3029 +059.9904 +51 167 -31 21:26:01 +45.3097 +058.6520 +51 165 -32 21:26:10 +45.3133 +057.3089 +50 163 -32 21:26:19 +45.3137 +055.9606 +50 161 -32 21:26:29 +45.3109 +054.6065 +50 159 -33 21:26:38 +45.3048 +053.2462 +49 157 -33 21:26:48 +45.2953 +051.8790 +49 155 -33 21:26:57 +45.2825 +050.5044 +49 153 -34 21:27:06 +45.2662 +049.1216 +48 151 -34 21:27:16 +45.2465 +047.7301 +48 149 -34 21:27:25 +45.2231 +046.3291 +47 147 -34 21:27:35 +45.1960 +044.9179 +47 146 -34 21:27:44 +45.1653 +043.4957 +46 144 -35 21:27:53 +45.1306 +042.0615 +46 142 -35 21:28:03 +45.0920 +040.6146 +45 140 -35 21:28:12 +45.0494 +039.1538 +44 138 -35 21:28:22 +45.0025 +037.6781 +44 137 -35 21:28:31 +44.9513 +036.1863 +43 135 -35 21:28:40 +44.8956 +034.6772 +42 133 -35 21:28:50 +44.8352 +033.1493 +42 131 -35 21:28:59 +44.7699 +031.6011 +41 130 -35 21:29:09 +44.6996 +030.0308 +40 128 -35 21:29:18 +44.6239 +028.4365 +39 126 -35 21:29:28 +44.5426 +026.8160 +38 124 -34 21:29:37 +44.4555 +025.1670 +37 123 -34 21:29:46 +44.3620 +023.4865 +36 121 -34 21:29:56 +44.2619 +021.7715 +35 119 -34 21:30:05 +44.1546 +020.0183 +34 118 -33 21:30:15 +44.0397 +018.2226 +33 116 -33 21:30:24 +43.9164 +016.3793 +32 114 -33 21:30:33 +43.7841 +014.4825 +31 113 -32 21:30:43 +43.6417 +012.5249 +30 111 -32 21:30:52 +43.4882 +010.4976 +28 109 -31 21:31:02 +43.3221 +008.3895 +27 108 -30 21:31:11 +43.1417 +006.1864 +26 106 -30 21:31:20 +42.9447 +003.8695 +24 104 -29 21:31:30 +42.7278 +001.4137 +22 102 -28 21:31:39 +42.4866 -001.2171 +21 100 -27 21:31:49 +42.2146 -004.0767 +19 098 -25 21:31:58 +41.9008 -007.2530 +16 096 -24 21:32:07 +41.5256 -010.9080 +14 093 -22 21:32:17 +41.0439 -015.4140 +10 090 -20 21:32:26 +40.2747 -022.2795 +05 085 -15 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 21:16:55   +37.1595  +161.9927   +03  276  +31 21:17:04   +38.1575  +153.7074   +10  271  +24 21:17:14   +38.7131  +149.0858   +13  268  +20 21:17:23   +39.1480  +145.4368   +16  266  +17 21:17:33   +39.5176  +142.3028   +18  264  +15 21:17:42   +39.8441  +139.4999   +20  262  +13 21:17:51   +40.1392  +136.9319   +22  260  +11 21:18:01   +40.4101  +134.5413   +24  258  +09 21:18:10   +40.6613  +132.2903   +25  256  +08 21:18:20   +40.8962  +130.1526   +27  255  +06 21:18:29   +41.1171  +128.1090   +28  253  +05 21:18:38   +41.3258  +126.1450   +30  251  +03 21:18:48   +41.5237  +124.2491   +31  250  +02 21:18:57   +41.7120  +122.4125   +32  248  +01 21:19:07   +41.8915  +120.6277   +33  246  -01 21:19:16   +42.0631  +118.8888   +34  245  -02 21:19:25   +42.2274  +117.1906   +35  243  -03 21:19:35   +42.3848  +115.5290   +36  242  -04 21:19:44   +42.5359  +113.9002   +37  240  -05 21:19:54   +42.6811  +112.3010   +38  238  -06 21:20:03   +42.8206  +110.7287   +39  237  -07 21:20:13   +42.9548  +109.1809   +40  235  -08 21:20:22   +43.0840  +107.6555   +41  234  -09 21:20:31   +43.2084  +106.1503   +42  232  -10 21:20:41   +43.3281  +104.6639   +42  230  -11 21:20:50   +43.4434  +103.1946   +43  229  -12 21:21:00   +43.5545  +101.7410   +44  227  -13 21:21:09   +43.6614  +100.3018   +44  225  -13 21:21:18   +43.7643  +098.8759   +45  223  -14 21:21:28   +43.8633  +097.4622   +46  222  -15 21:21:37   +43.9586  +096.0596   +46  220  -16 21:21:47   +44.0502  +094.6674   +47  218  -17 21:21:56   +44.1383  +093.2846   +47  216  -17 21:22:05   +44.2228  +091.9104   +48  214  -18 21:22:15   +44.3039  +090.5441   +48  213  -19 21:22:24   +44.3816  +089.1849   +49  211  -20 21:22:34   +44.4560  +087.8323   +49  209  -20 21:22:43   +44.5271  +086.4856   +49  207  -21 21:22:52   +44.5950  +085.1441   +50  205  -22 21:23:02   +44.6597  +083.8073   +50  203  -22 21:23:11   +44.7213  +082.4747   +50  201  -23 21:23:21   +44.7798  +081.1457   +51  199  -24 21:23:30   +44.8352  +079.8198   +51  197  -24 21:23:39   +44.8875  +078.4966   +51  195  -25 21:23:49   +44.9368  +077.1755   +51  193  -25 21:23:58   +44.9830  +075.8561   +51  191  -26 21:24:08   +45.0263  +074.5378   +51  189  -26 21:24:17   +45.0665  +073.2204   +51  187  -27 21:24:26   +45.1037  +071.9032   +52  185  -27 21:24:36   +45.1379  +070.5860   +52  183  -28 21:24:45   +45.1691  +069.2682   +52  181  -28 21:24:55   +45.1974  +067.9493   +52  179  -29 21:25:04   +45.2226  +066.6291   +51  177  -29 21:25:14   +45.2447  +065.3069   +51  175  -30 21:25:23   +45.2639  +063.9824   +51  173  -30 21:25:32   +45.2800  +062.6551   +51  171  -31 21:25:42   +45.2930  +061.3246   +51  169  -31 21:25:51   +45.3029  +059.9904   +51  167  -31 21:26:01   +45.3097  +058.6520   +51  165  -32 21:26:10   +45.3133  +057.3089   +50  163  -32 21:26:19   +45.3137  +055.9606   +50  161  -32 21:26:29   +45.3109  +054.6065   +50  159  -33 21:26:38   +45.3048  +053.2462   +49  157  -33 21:26:48   +45.2953  +051.8790   +49  155  -33 21:26:57   +45.2825  +050.5044   +49  153  -34 21:27:06   +45.2662  +049.1216   +48  151  -34 21:27:16   +45.2465  +047.7301   +48  149  -34 21:27:25   +45.2231  +046.3291   +47  147  -34 21:27:35   +45.1960  +044.9179   +47  146  -34 21:27:44   +45.1653  +043.4957   +46  144  -35 21:27:53   +45.1306  +042.0615   +46  142  -35 21:28:03   +45.0920  +040.6146   +45  140  -35 21:28:12   +45.0494  +039.1538   +44  138  -35 21:28:22   +45.0025  +037.6781   +44  137  -35 21:28:31   +44.9513  +036.1863   +43  135  -35 21:28:40   +44.8956  +034.6772   +42  133  -35 21:28:50   +44.8352  +033.1493   +42  131  -35 21:28:59   +44.7699  +031.6011   +41  130  -35 21:29:09   +44.6996  +030.0308   +40  128  -35 21:29:18   +44.6239  +028.4365   +39  126  -35 21:29:28   +44.5426  +026.8160   +38  124  -34 21:29:37   +44.4555  +025.1670   +37  123  -34 21:29:46   +44.3620  +023.4865   +36  121  -34 21:29:56   +44.2619  +021.7715   +35  119  -34 21:30:05   +44.1546  +020.0183   +34  118  -33 21:30:15   +44.0397  +018.2226   +33  116  -33 21:30:24   +43.9164  +016.3793   +32  114  -33 21:30:33   +43.7841  +014.4825   +31  113  -32 21:30:43   +43.6417  +012.5249   +30  111  -32 21:30:52   +43.4882  +010.4976   +28  109  -31 21:31:02   +43.3221  +008.3895   +27  108  -30 21:31:11   +43.1417  +006.1864   +26  106  -30 21:31:20   +42.9447  +003.8695   +24  104  -29 21:31:30   +42.7278  +001.4137   +22  102  -28 21:31:39   +42.4866  -001.2171   +21  100  -27 21:31:49   +42.2146  -004.0767   +19  098  -25 21:31:58   +41.9008  -007.2530   +16  096  -24 21:32:07   +41.5256  -010.9080   +14  093  -22 21:32:17   +41.0439  -015.4140   +10  090  -20 21:32:26   +40.2747  -022.2795   +05  085  -15

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +37.1185 +157.9592 +37.2351 +165.7220 +37.8524 +151.8692 +38.4224 +155.9078 +38.3530 +147.6932 +39.0581 +150.6309 +38.7598 +144.2688 +39.5283 +146.6995 +39.1111 +141.2777 +39.9193 +143.3969 +39.4243 +138.5768 +40.2609 +140.4774 +39.7092 +136.0869 +40.5675 +137.8221 +39.9717 +133.7591 +40.8475 +135.3624 +40.2159 +131.5602 +41.1064 +133.0546 +40.4448 +129.4671 +41.3477 +130.8688 +40.6604 +127.4623 +41.5742 +128.7836 +40.8644 +125.5326 +41.7879 +126.7829 +41.0581 +123.6676 +41.9903 +124.8542 +41.2426 +121.8589 +42.1827 +122.9879 +41.4187 +120.0999 +42.3659 +121.1760 +41.5870 +118.3848 +42.5409 +119.4120 +41.7483 +116.7088 +42.7083 +117.6906 +41.9030 +115.0679 +42.8687 +116.0071 +42.0515 +113.4588 +43.0225 +114.3578 +42.1942 +111.8782 +43.1702 +112.7392 +42.3315 +110.3237 +43.3121 +111.1484 +42.4636 +108.7929 +43.4486 +109.5829 +42.5907 +107.2837 +43.5799 +108.0404 +42.7132 +105.7943 +43.7062 +106.5190 +42.8311 +104.3230 +43.8279 +105.0167 +42.9447 +102.8684 +43.9450 +103.5321 +43.0541 +101.4291 +44.0577 +102.0636 +43.1594 +100.0039 +44.1662 +100.6100 +43.2609 +098.5916 +44.2707 +099.1699 +43.3585 +097.1912 +44.3712 +097.7424 +43.4525 +095.8018 +44.4679 +096.3263 +43.5428 +094.4223 +44.5608 +094.9208 +43.6296 +093.0521 +44.6501 +093.5249 +43.7130 +091.6904 +44.7358 +092.1379 +43.7930 +090.3363 +44.8180 +090.7588 +43.8697 +088.9893 +44.8968 +089.3872 +43.9431 +087.6487 +44.9722 +088.0221 +44.0134 +086.3138 +45.0443 +086.6631 +44.0804 +084.9841 +45.1131 +085.3094 +44.1443 +083.6590 +45.1786 +083.9605 +44.2051 +082.3380 +45.2410 +082.6159 +44.2629 +081.0206 +45.3002 +081.2750 +44.3176 +079.7062 +45.3563 +079.9372 +44.3693 +078.3944 +45.4093 +078.6021 +44.4180 +077.0847 +45.4591 +077.2691 +44.4638 +075.7767 +45.5059 +075.9379 +44.5065 +074.4699 +45.5496 +074.6079 +44.5463 +073.1638 +45.5903 +073.2786 +44.5832 +071.8581 +45.6279 +071.9497 +44.6171 +070.5522 +45.6625 +070.6206 +44.6480 +069.2458 +45.6940 +069.2910 +44.6760 +067.9385 +45.7224 +067.9603 +44.7010 +066.6297 +45.7478 +066.6281 +44.7230 +065.3191 +45.7702 +065.2939 +44.7421 +064.0063 +45.7894 +063.9574 +44.7581 +062.6907 +45.8055 +062.6181 +44.7711 +061.3720 +45.8185 +061.2754 +44.7811 +060.0496 +45.8284 +059.9289 +44.7880 +058.7231 +45.8350 +058.5781 +44.7918 +057.3921 +45.8385 +057.2225 +44.7924 +056.0559 +45.8387 +055.8615 +44.7899 +054.7142 +45.8356 +054.4948 +44.7841 +053.3663 +45.8291 +053.1215 +44.7750 +052.0117 +45.8193 +051.7413 +44.7626 +050.6498 +45.8060 +050.3534 +44.7469 +049.2801 +45.7892 +048.9572 +44.7277 +047.9017 +45.7688 +047.5520 +44.7049 +046.5141 +45.7448 +046.1372 +44.6786 +045.1165 +45.7170 +044.7118 +44.6486 +043.7082 +45.6854 +043.2751 +44.6148 +042.2882 +45.6499 +041.8262 +44.5771 +040.8558 +45.6103 +040.3642 +44.5354 +039.4099 +45.5666 +038.8880 +44.4896 +037.9494 +45.5186 +037.3965 +44.4396 +036.4733 +45.4661 +035.8884 +44.3852 +034.9804 +45.4091 +034.3625 +44.3262 +033.4691 +45.3472 +032.8173 +44.2624 +031.9382 +45.2804 +031.2510 +44.1937 +030.3858 +45.2083 +029.6621 +44.1198 +028.8101 +45.1308 +028.0483 +44.0404 +027.2091 +45.0476 +026.4075 +43.9553 +025.5805 +44.9582 +024.7371 +43.8641 +023.9215 +44.8624 +023.0341 +43.7664 +022.2293 +44.7597 +021.2953 +43.6618 +020.5002 +44.6497 +019.5167 +43.5498 +018.7303 +44.5316 +017.6937 +43.4297 +016.9149 +44.4050 +015.8211 +43.3009 +015.0483 +44.2688 +013.8923 +43.1625 +013.1238 +44.1223 +011.8996 +43.0134 +011.1332 +43.9640 +009.8332 +42.8524 +009.0662 +43.7925 +007.6810 +42.6778 +006.9099 +43.6058 +005.4274 +42.4876 +004.6475 +43.4014 +003.0514 +42.2788 +002.2564 +43.1755 +000.5244 +42.0477 -000.2947 +42.9232 -002.1950 +41.7885 -003.0520 +42.6365 -005.1708 +41.4922 -006.0882 +42.3023 -008.5111 +41.1435 -009.5304 +41.8945 -012.4291 +40.7100 -013.6438 +41.3456 -017.4849 +40.0960 -019.2243 +41.3751 -017.6440 Azimuth (Azm) measured from North to East.

Collaborative Occultation Resources and Archive (CORA)

Stellar Occultation by (385) Ilmatar on 2021-08-26 (21:24:42 UT)