Stellar Occultation by (140) Siwa on 2021-04-02 (22:22:11 UT)
Event Details
Occultation UUID [and db] : 8a04c70f-3e10-4e45-b18f-868bb7fb0e23 [observed]
Occultation Date + Time : 2021-04-02 at 22:22:11 UT +/- 0.51 min [1]
Object Designation : (140) Siwa
Star Designation : GDR3 0660852362840624768
Star Coordinates (ICRF) : RA = 08 52 20.9438, DE = +20 05 01.686 [2]
Star Magnitudes : G = 14.18 mag, RP = 13.6 mag, BP = 14.54 mag
Object Magnitude : V = 14.07 mag
Estimated Magnitude Drop : 0.7 mag
Estimated Max. Duration : 345.2 sec
Object Mean Diameter : 110 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 0.3 km/s
Elongation to Moon & Sun : 134° (sunlit = 67%), Sun = 117°
Cross-track uncertainty : 1.1 mas = 2 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 5.27 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#175
[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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16:50:27 +59.0044 +163.0968 +06 300 -13 +58.9023 +161.5407 +59.0164 +164.8845
16:57:09 +62.1475 +148.3872 +13 289 -15 +61.7837 +147.4432 +62.4957 +149.4072
17:03:52 +63.4373 +137.5446 +17 281 -17 +63.0021 +136.8372 +63.8655 +138.3109
17:10:35 +64.0471 +128.1086 +21 274 -18 +63.5748 +127.5866 +64.5164 +128.6786
17:17:17 +64.2532 +119.5842 +24 268 -19 +63.7601 +119.2227 +64.7457 +119.9842
17:24:00 +64.1830 +111.7716 +26 262 -20 +63.6790 +111.5509 +64.6879 +112.0222
17:30:42 +63.9111 +104.5593 +29 257 -21 +63.4029 +104.4612 +64.4210 +104.6799
17:37:25 +63.4868 +097.8699 +31 252 -21 +62.9792 +097.8772 +63.9967 +097.8788
17:44:08 +62.9455 +091.6415 +33 248 -22 +62.4416 +091.7385 +63.4519 +091.5555
17:50:50 +62.3131 +085.8212 +35 244 -22 +61.8151 +085.9937 +62.8136 +085.6555
17:57:33 +61.6093 +080.3625 +37 241 -23 +61.1187 +080.5980 +62.1024 +080.1304
18:04:15 +60.8494 +075.2241 +39 238 -23 +60.3671 +075.5120 +61.3340 +074.9371
18:10:58 +60.0452 +070.3696 +41 235 -23 +59.5718 +070.7006 +60.5207 +070.0374
18:17:41 +59.2060 +065.7667 +42 232 -23 +58.7418 +066.1332 +59.6721 +065.3976
18:24:23 +58.3392 +061.3870 +44 229 -24 +57.8842 +061.7825 +58.7959 +060.9879
18:31:06 +57.4506 +057.2056 +45 227 -24 +57.0048 +057.6247 +57.8980 +056.7822
18:37:48 +56.5449 +053.2008 +47 225 -24 +56.1081 +053.6389 +56.9831 +052.7578
18:44:31 +55.6258 +049.3534 +48 223 -24 +55.1977 +049.8067 +56.0550 +048.8947
18:51:14 +54.6963 +045.6466 +50 221 -24 +54.2766 +046.1121 +55.1169 +045.1756
18:57:56 +53.7588 +042.0659 +51 219 -24 +53.3473 +042.5410 +54.1710 +041.5852
19:04:39 +52.8152 +038.5984 +53 217 -24 +52.4115 +039.0809 +53.2194 +038.1102
19:11:21 +51.8670 +035.2327 +54 216 -24 +51.4709 +035.7209 +52.2636 +034.7389
19:18:04 +50.9157 +031.9589 +55 214 -24 +50.5267 +032.4513 +51.3049 +031.4610
19:24:47 +49.9620 +028.7683 +57 212 -24 +49.5799 +029.2635 +50.3443 +028.2675
19:31:29 +49.0068 +025.6529 +58 211 -24 +48.6314 +026.1501 +49.3824 +025.1503
19:38:12 +48.0509 +022.6060 +59 209 -24 +47.6817 +023.1043 +48.4201 +022.1025
19:44:54 +47.0946 +019.6214 +61 208 -24 +46.7314 +020.1201 +47.4577 +019.1176
19:51:37 +46.1383 +016.6937 +62 206 -24 +45.7808 +017.1922 +46.4956 +016.1902
19:58:20 +45.1823 +013.8178 +63 205 -24 +44.8303 +014.3156 +45.5341 +013.3151
20:05:02 +44.2270 +010.9894 +64 203 -24 +43.8802 +011.4863 +44.5735 +010.4879
20:11:45 +43.2723 +008.2047 +65 202 -24 +42.9305 +008.7001 +43.6138 +007.7047
20:18:27 +42.3185 +005.4599 +67 200 -24 +41.9814 +005.9537 +42.6551 +004.9617
20:25:10 +41.3655 +002.7519 +68 199 -24 +41.0330 +003.2439 +41.6975 +002.2556
20:31:53 +40.4134 +000.0778 +69 197 -24 +40.0852 +000.5678 +40.7410 -000.4164
20:38:35 +39.4621 -002.5651 +70 195 -23 +39.1381 -002.0772 +39.7856 -003.0571
20:45:18 +38.5118 -005.1793 +71 193 -23 +38.1917 -004.6935 +38.8312 -005.6689
20:52:00 +37.5621 -007.7669 +72 191 -23 +37.2458 -007.2834 +37.8777 -008.2542
20:58:43 +36.6132 -010.3300 +73 189 -23 +36.3005 -009.8488 +36.9251 -010.8148
21:05:26 +35.6648 -012.8704 +74 186 -23 +35.3556 -012.3915 +35.9733 -013.3528
21:12:08 +34.7169 -015.3898 +75 184 -22 +34.4110 -014.9133 +35.0220 -015.8698
21:18:51 +33.7693 -017.8900 +76 181 -22 +33.4666 -017.4158 +34.0712 -018.3675
21:25:33 +32.8219 -020.3722 +77 177 -22 +32.5223 -019.9003 +33.1208 -020.8473
21:32:16 +31.8746 -022.8380 +78 174 -21 +31.5778 -022.3684 +32.1705 -023.3107
21:38:59 +30.9271 -025.2885 +79 169 -21 +30.6331 -024.8212 +31.2202 -025.7588
21:45:41 +29.9794 -027.7250 +80 164 -21 +29.6880 -027.2600 +30.2698 -028.1930
21:52:24 +29.0311 -030.1486 +80 159 -21 +28.7423 -029.6858 +29.3190 -030.6144
21:59:06 +28.0822 -032.5604 +81 152 -20 +27.7959 -032.0997 +28.3676 -033.0239
22:05:49 +27.1325 -034.9613 +82 145 -20 +26.8485 -034.5027 +27.4155 -035.4227
22:12:32 +26.1817 -037.3524 +82 137 -20 +25.8999 -036.8957 +26.4625 -037.8116
22:19:14 +25.2296 -039.7344 +82 129 -19 +24.9500 -039.2797 +25.5083 -040.1916
22:25:57 +24.2761 -042.1083 +82 121 -19 +23.9985 -041.6555 +24.5527 -042.5636
22:32:39 +23.3209 -044.4748 +82 112 -19 +23.0452 -044.0239 +23.5955 -044.9282
22:39:22 +22.3637 -046.8349 +82 104 -18 +22.0898 -046.3857 +22.6364 -047.2865
22:46:05 +21.4043 -049.1892 +81 097 -18 +21.1323 -048.7417 +21.6753 -049.6390
22:52:47 +20.4426 -051.5384 +81 090 -17 +20.1722 -051.0925 +20.7118 -051.9866
22:59:30 +19.4781 -053.8834 +80 085 -17 +19.2093 -053.4391 +19.7457 -054.3300
23:06:12 +18.5107 -056.2248 +79 080 -17 +18.2434 -055.7819 +18.7767 -056.6699
23:12:55 +17.5400 -058.5633 +78 075 -16 +17.2742 -058.1218 +17.8046 -059.0069
23:19:38 +16.5659 -060.8996 +78 072 -16 +16.3015 -060.4594 +16.8291 -061.3419
23:26:20 +15.5879 -063.2344 +77 068 -15 +15.3248 -062.7954 +15.8497 -063.6754
23:33:03 +14.6058 -065.5683 +76 066 -15 +14.3439 -065.1305 +14.8664 -066.0082
23:39:45 +13.6192 -067.9022 +75 063 -14 +13.3585 -067.4654 +13.8786 -068.3410
23:46:28 +12.6278 -070.2366 +74 061 -14 +12.3682 -069.8008 +12.8860 -070.6744
23:53:11 +11.6312 -072.5722 +73 059 -13 +11.3726 -072.1373 +11.8884 -073.0091
23:59:53 +10.6290 -074.9099 +72 057 -13 +10.3714 -074.4758 +10.8852 -075.3459
24:06:36 +09.6209 -077.2502 +70 056 -12 +09.3642 -076.8168 +09.8762 -077.6856
24:13:18 +08.6064 -079.5941 +69 054 -12 +08.3505 -079.1613 +08.8608 -080.0288
24:20:01 +07.5850 -081.9423 +68 053 -11 +07.3300 -081.5100 +07.8386 -082.3765
24:26:44 +06.5564 -084.2956 +67 052 -11 +06.3020 -083.8638 +06.8092 -084.7294
24:33:26 +05.5198 -086.6549 +66 051 -10 +05.2661 -086.2234 +05.7720 -087.0883
24:40:09 +04.4749 -089.0212 +65 050 -10 +04.2218 -088.5898 +04.7265 -089.4544
24:46:51 +03.4210 -091.3953 +63 049 -09 +03.1684 -090.9641 +03.6720 -091.8284
24:53:34 +02.3575 -093.7785 +62 049 -09 +02.1054 -093.3472 +02.6080 -094.2116
25:00:17 +01.2837 -096.1717 +61 048 -08 +01.0320 -095.7403 +01.5338 -096.6049
25:06:59 +00.1989 -098.5762 +60 048 -07 -00.0524 -098.1446 +00.4486 -099.0097
25:13:42 -00.8977 -100.9934 +58 047 -07 -01.1488 -100.5614 -00.6484 -101.4273
25:20:24 -02.0071 -103.4247 +57 047 -06 -02.2580 -102.9921 -01.7580 -103.8591
25:27:07 -03.1301 -105.8717 +56 046 -05 -03.3808 -105.4385 -02.8813 -106.3068
25:33:50 -04.2679 -108.3361 +54 046 -05 -04.5185 -107.9021 -04.0192 -108.7721
25:40:32 -05.4215 -110.8201 +53 046 -04 -05.6721 -110.3850 -05.1729 -111.2571
25:47:15 -06.5924 -113.3257 +52 045 -03 -06.8430 -112.8895 -06.3438 -113.7639
25:53:57 -07.7819 -115.8555 +50 045 -02 -08.0326 -115.4179 -07.5333 -116.2952
26:00:40 -08.9916 -118.4123 +49 045 -02 -09.2425 -117.9731 -08.7430 -118.8537
26:07:23 -10.2236 -120.9995 +47 045 -01 -10.4747 -120.5585 -09.9747 -121.4427
26:14:05 -11.4798 -123.6208 +46 045 +00 -11.7311 -123.1777 -11.2308 -124.0663
26:20:48 -12.7627 -126.2808 +44 045 +01 -13.0144 -125.8352 -12.5134 -126.7287
26:27:30 -14.0751 -128.9846 +43 045 +02 -14.3273 -128.5363 -13.8256 -129.4354
26:34:13 -15.4205 -131.7386 +41 045 +02 -15.6731 -131.2871 -15.1707 -132.1927
26:40:56 -16.8028 -134.5504 +39 045 +03 -17.0558 -134.0953 -16.5526 -135.0084
26:47:38 -18.2268 -137.4296 +37 045 +04 -18.4803 -136.9703 -17.9763 -137.8920
26:54:21 -19.6985 -140.3880 +35 045 +05 -19.9525 -139.9238 -19.4476 -140.8555
27:01:03 -21.2253 -143.4407 +33 046 +06 -21.4798 -142.9708 -20.9742 -143.9143
27:07:46 -22.8169 -146.6080 +31 046 +08 -23.0717 -146.1311 -22.5657 -147.0889
27:14:29 -24.4861 -149.9170 +29 047 +09 -24.7411 -149.4317 -24.2352 -150.4070
27:21:11 -26.2507 -153.4066 +27 047 +10 -26.5054 -152.9106 -26.0005 -153.9080
27:27:54 -28.1366 -157.1348 +24 048 +11 -28.3902 -156.6247 -27.8881 -157.6513
27:34:36 -30.1850 -161.1955 +21 049 +13 -30.4359 -160.6657 -29.9400 -161.7335
27:41:19 -32.4684 -165.7594 +18 051 +15 -32.7130 -165.1985 -32.2310 -166.3314
27:48:02 -35.1434 -171.2041 +14 053 +17 -35.3717 -170.5836 -34.9254 -171.8431
27:54:44 -38.7461 -178.8600 +08 056 +20 -38.9034 -178.0352 -38.6155 -179.7451
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East.