Stellar Occultation by (177) Irma on 2011-09-17 (03:07:09 UT)
Event Details
Occultation UUID [and db] : dd6604bd-1a82-4697-aeef-609c638469e8 [observed]
Occultation Date + Time : 2011-09-17 at 03:07:09 UT +/- 0.01 min [1]
Object Designation : (177) Irma
Star Designation : GDR3 3428196411239602560
Star Coordinates (ICRF) : RA = 05 51 34.7813, DE = +24 51 57.519 [2]
Star Magnitudes : G = 10.64 mag, RP = 10.12 mag, BP = 10.98 mag
Object Magnitude : V = 14.11 mag
Estimated Magnitude Drop : 3.5 mag
Estimated Max. Duration : 3.6 sec
Object Mean Diameter : 73 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 20.2 km/s
Elongation to Moon & Sun : 42° (sunlit = 81%), Sun = 86°
Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig)
RUWE and duplicate source : 1.8 mas, dup.src = 1 (0:false, 1:true)
Ephemeris Reference : JPL#115
[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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03:02:36 +27.1157 -049.6226 +06 065 -60 +26.5736 -051.6440 +27.4375 -048.0620
03:02:39 +29.2288 -045.2586 +10 067 -58 +29.1124 -046.4002 +29.3017 -044.2085
03:02:43 +30.7051 -042.2015 +13 069 -57 +30.6978 -043.1242 +30.6902 -041.3265
03:02:47 +31.9153 -039.6786 +16 070 -55 +31.9649 -040.4902 +31.8511 -038.8994
03:02:51 +32.9679 -037.4653 +18 072 -53 +33.0544 -038.2069 +32.8706 -036.7486
03:02:55 +33.9125 -035.4590 +20 073 -52 +34.0257 -036.1513 +33.7908 -034.7872
03:02:59 +34.7770 -033.6025 +22 074 -51 +34.9109 -034.2577 +34.6360 -032.9650
03:03:03 +35.5787 -031.8601 +23 075 -49 +35.7293 -032.4860 +35.4219 -031.2500
03:03:07 +36.3292 -030.2080 +25 076 -48 +36.4940 -030.8098 +36.1592 -029.6205
03:03:11 +37.0371 -028.6290 +26 077 -47 +37.2140 -029.2106 +36.8556 -028.0606
03:03:15 +37.7085 -027.1104 +27 079 -46 +37.8960 -027.6747 +37.5168 -026.5586
03:03:19 +38.3481 -025.6426 +29 080 -45 +38.5451 -026.1917 +38.1473 -025.1053
03:03:23 +38.9596 -024.2179 +30 081 -44 +39.1652 -024.7536 +38.7506 -023.6936
03:03:27 +39.5461 -022.8303 +31 082 -42 +39.7596 -023.3538 +39.3296 -022.3177
03:03:31 +40.1101 -021.4747 +32 083 -41 +40.3307 -021.9871 +39.8865 -020.9728
03:03:35 +40.6534 -020.1470 +33 084 -40 +40.8808 -020.6492 +40.4234 -019.6549
03:03:39 +41.1779 -018.8436 +34 085 -39 +41.4116 -019.3364 +40.9418 -018.3608
03:03:43 +41.6850 -017.5616 +35 087 -38 +41.9246 -018.0455 +41.4431 -017.0875
03:03:47 +42.1758 -016.2985 +36 088 -37 +42.4210 -016.7739 +41.9285 -015.8325
03:03:51 +42.6515 -015.0519 +37 089 -36 +42.9020 -015.5193 +42.3990 -014.5938
03:03:55 +43.1129 -013.8200 +38 090 -35 +43.3685 -014.2798 +42.8555 -013.3694
03:03:59 +43.5609 -012.6011 +39 091 -34 +43.8214 -013.0534 +43.2988 -012.1577
03:04:03 +43.9962 -011.3935 +40 093 -34 +44.2613 -011.8387 +43.7295 -010.9572
03:04:07 +44.4193 -010.1960 +41 094 -33 +44.6889 -010.6342 +44.1483 -009.7667
03:04:11 +44.8309 -009.0074 +42 095 -32 +45.1048 -009.4387 +44.5556 -008.5848
03:04:15 +45.2313 -007.8266 +42 096 -31 +45.5094 -008.2511 +44.9520 -007.4107
03:04:19 +45.6211 -006.6525 +43 098 -30 +45.9033 -007.0703 +45.3379 -006.2432
03:04:23 +46.0007 -005.4843 +44 099 -29 +46.2868 -005.8954 +45.7136 -005.0815
03:04:27 +46.3703 -004.3212 +45 100 -28 +46.6602 -004.7257 +46.0795 -003.9249
03:04:31 +46.7303 -003.1623 +45 102 -27 +47.0239 -003.5602 +46.4359 -002.7726
03:04:35 +47.0810 -002.0071 +46 103 -27 +47.3782 -002.3984 +46.7831 -001.6239
03:04:39 +47.4226 -000.8549 +47 105 -26 +47.7233 -001.2395 +47.1212 -000.4783
03:04:43 +47.7553 +000.2949 +47 106 -25 +48.0594 -000.0830 +47.4506 +000.6649
03:04:47 +48.0794 +001.4428 +48 107 -24 +48.3868 +001.0716 +47.7715 +001.8062
03:04:51 +48.3950 +002.5893 +49 109 -23 +48.7057 +002.2250 +48.0839 +002.9460
03:04:55 +48.7022 +003.7349 +49 110 -22 +49.0161 +003.3774 +48.3880 +004.0848
03:04:59 +49.0013 +004.8800 +50 112 -22 +49.3183 +004.5295 +48.6841 +005.2229
03:05:03 +49.2924 +006.0249 +51 114 -21 +49.6124 +005.6815 +48.9722 +006.3609
03:05:07 +49.5755 +007.1700 +51 115 -20 +49.8985 +006.8338 +49.2525 +007.4990
03:05:11 +49.8509 +008.3158 +52 117 -19 +50.1767 +007.9868 +49.5250 +008.6375
03:05:15 +50.1185 +009.4623 +52 118 -18 +50.4471 +009.1408 +49.7899 +009.7767
03:05:19 +50.3784 +010.6100 +53 120 -18 +50.7098 +010.2961 +50.0472 +010.9170
03:05:23 +50.6308 +011.7592 +53 122 -17 +50.9649 +011.4529 +50.2970 +012.0586
03:05:27 +50.8757 +012.9099 +54 123 -16 +51.2124 +012.6114 +50.5394 +013.2016
03:05:31 +51.1132 +014.0625 +54 125 -15 +51.4523 +013.7720 +50.7744 +014.3464
03:05:35 +51.3432 +015.2172 +55 127 -15 +51.6848 +014.9348 +51.0020 +015.4931
03:05:39 +51.5659 +016.3741 +55 129 -14 +51.9099 +016.1000 +51.2224 +016.6420
03:05:43 +51.7813 +017.5335 +56 131 -13 +52.1276 +017.2678 +51.4355 +017.7930
03:05:47 +51.9893 +018.6954 +56 132 -12 +52.3379 +018.4383 +51.6413 +018.9465
03:05:51 +52.1901 +019.8600 +56 134 -12 +52.5409 +019.6116 +51.8400 +020.1025
03:05:55 +52.3836 +021.0273 +57 136 -11 +52.7365 +020.7879 +52.0315 +021.2611
03:05:59 +52.5699 +022.1976 +57 138 -10 +52.9248 +021.9672 +52.2158 +022.4225
03:06:03 +52.7490 +023.3709 +57 140 -09 +53.1058 +023.1498 +52.3929 +023.5868
03:06:07 +52.9208 +024.5472 +58 142 -09 +53.2795 +024.3355 +52.5629 +024.7539
03:06:11 +53.0854 +025.7267 +58 144 -08 +53.4459 +025.5245 +52.7258 +025.9241
03:06:15 +53.2427 +026.9094 +58 146 -07 +53.6050 +026.7169 +52.8814 +027.0972
03:06:19 +53.3928 +028.0952 +59 148 -06 +53.7567 +027.9126 +53.0300 +028.2734
03:06:23 +53.5357 +029.2843 +59 151 -06 +53.9012 +029.1117 +53.1713 +029.4527
03:06:27 +53.6713 +030.4766 +59 153 -05 +54.0382 +030.3142 +53.3055 +030.6350
03:06:31 +53.7996 +031.6722 +59 155 -04 +54.1680 +031.5202 +53.4324 +031.8205
03:06:35 +53.9207 +032.8710 +59 157 -03 +54.2903 +032.7294 +53.5522 +033.0091
03:06:39 +54.0344 +034.0730 +60 159 -03 +54.4053 +033.9421 +53.6647 +034.2007
03:06:43 +54.1408 +035.2782 +60 161 -02 +54.5128 +035.1580 +53.7700 +035.3954
03:06:47 +54.2398 +036.4865 +60 164 -01 +54.6129 +036.3773 +53.8680 +036.5932
03:06:51 +54.3315 +037.6980 +60 166 -01 +54.7055 +037.5997 +53.9587 +037.7939
03:06:55 +54.4157 +038.9124 +60 168 +00 +54.7906 +038.8254 +54.0421 +038.9975
03:06:59 +54.4926 +040.1299 +60 170 +01 +54.8682 +040.0541 +54.1182 +040.2039
03:07:03 +54.5619 +041.3502 +60 173 +02 +54.9383 +041.2858 +54.1869 +041.4132
03:07:07 +54.6238 +042.5734 +60 175 +02 +55.0008 +042.5204 +54.2482 +042.6252
03:07:11 +54.6782 +043.7993 +60 177 +03 +55.0556 +043.7579 +54.3021 +043.8399
03:07:15 +54.7250 +045.0279 +60 179 +04 +55.1028 +044.9981 +54.3486 +045.0572
03:07:19 +54.7642 +046.2590 +60 182 +05 +55.1424 +046.2409 +54.3875 +046.2769
03:07:23 +54.7959 +047.4926 +60 184 +05 +55.1742 +047.4863 +54.4190 +047.4990
03:07:27 +54.8199 +048.7286 +60 186 +06 +55.1983 +048.7340 +54.4428 +048.7235
03:07:30 +54.8362 +049.9668 +60 188 +07 +55.2146 +049.9841 +54.4592 +049.9501
03:07:34 +54.8448 +051.2071 +60 191 +07 +55.2230 +051.2364 +54.4679 +051.1789
03:07:38 +54.8456 +052.4495 +60 193 +08 +55.2237 +052.4907 +54.4689 +052.4096
03:07:42 +54.8386 +053.6938 +59 195 +09 +55.2164 +053.7470 +54.4623 +053.6423
03:07:46 +54.8239 +054.9400 +59 197 +10 +55.2012 +055.0051 +54.4479 +054.8768
03:07:50 +54.8012 +056.1879 +59 200 +10 +55.1780 +056.2650 +54.4258 +056.1131
03:07:54 +54.7707 +057.4374 +59 202 +11 +55.1469 +057.5265 +54.3959 +057.3509
03:07:58 +54.7322 +058.6884 +59 204 +12 +55.1077 +058.7895 +54.3581 +058.5903
03:08:02 +54.6858 +059.9409 +58 206 +12 +55.0603 +060.0538 +54.3125 +059.8312
03:08:06 +54.6313 +061.1947 +58 208 +13 +55.0049 +061.3195 +54.2589 +061.0734
03:08:10 +54.5687 +062.4498 +58 210 +14 +54.9413 +062.5864 +54.1973 +062.3170
03:08:14 +54.4980 +063.7060 +57 212 +15 +54.8694 +063.8544 +54.1278 +063.5617
03:08:18 +54.4192 +064.9634 +57 214 +15 +54.7893 +065.1235 +54.0502 +064.8076
03:08:22 +54.3321 +066.2218 +57 216 +16 +54.7009 +066.3935 +53.9645 +066.0547
03:08:26 +54.2368 +067.4811 +56 218 +17 +54.6041 +067.6645 +53.8706 +067.3028
03:08:30 +54.1331 +068.7415 +56 220 +18 +54.4988 +068.9363 +53.7684 +068.5519
03:08:34 +54.0211 +070.0028 +55 222 +18 +54.3851 +070.2090 +53.6580 +069.8021
03:08:38 +53.9006 +071.2649 +55 224 +19 +54.2628 +071.4825 +53.5393 +071.0532
03:08:42 +53.7716 +072.5280 +55 226 +20 +54.1318 +072.7568 +53.4121 +072.3054
03:08:46 +53.6340 +073.7921 +54 228 +21 +53.9922 +074.0319 +53.2765 +073.5586
03:08:50 +53.4877 +075.0571 +54 230 +21 +53.8438 +075.3079 +53.1323 +074.8128
03:08:54 +53.3327 +076.3231 +53 232 +22 +53.6865 +076.5848 +52.9794 +076.0682
03:08:58 +53.1688 +077.5902 +53 234 +23 +53.5203 +077.8626 +52.8179 +077.3247
03:09:02 +52.9960 +078.8584 +52 236 +24 +53.3451 +079.1415 +52.6474 +078.5826
03:09:06 +52.8142 +080.1280 +52 237 +24 +53.1607 +080.4216 +52.4681 +079.8418
03:09:10 +52.6232 +081.3989 +51 239 +25 +52.9671 +081.7030 +52.2797 +081.1026
03:09:14 +52.4230 +082.6715 +50 241 +26 +52.7640 +082.9859 +52.0822 +082.3651
03:09:18 +52.2134 +083.9459 +50 242 +27 +52.5515 +084.2704 +51.8754 +083.6295
03:09:22 +51.9942 +085.2223 +49 244 +27 +52.3293 +085.5569 +51.6591 +084.8960
03:09:26 +51.7653 +086.5009 +49 246 +28 +52.0972 +086.8455 +51.4333 +086.1649
03:09:30 +51.5265 +087.7822 +48 247 +29 +51.8552 +088.1366 +51.1976 +087.4364
03:09:34 +51.2776 +089.0663 +47 249 +30 +51.6030 +089.4305 +50.9521 +088.7109
03:09:38 +51.0185 +090.3537 +47 251 +31 +51.3404 +090.7276 +50.6964 +089.9888
03:09:42 +50.7489 +091.6448 +46 252 +31 +51.0671 +092.0283 +50.4303 +091.2705
03:09:46 +50.4685 +092.9402 +45 254 +32 +50.7830 +093.3332 +50.1536 +092.5565
03:09:50 +50.1771 +094.2402 +44 255 +33 +50.4877 +094.6428 +49.8659 +093.8472
03:09:54 +49.8744 +095.5456 +44 257 +34 +50.1809 +095.9576 +49.5671 +095.1433
03:09:58 +49.5599 +096.8570 +43 258 +35 +49.8622 +097.2785 +49.2568 +096.4453
03:10:02 +49.2334 +098.1752 +42 260 +35 +49.5313 +098.6061 +48.9345 +097.7542
03:10:06 +48.8945 +099.5009 +41 261 +36 +49.1878 +099.9414 +48.6000 +099.0706
03:10:10 +48.5425 +100.8353 +40 262 +37 +48.8311 +101.2853 +48.2526 +100.3956
03:10:14 +48.1770 +102.1792 +40 264 +38 +48.4607 +102.6389 +47.8920 +101.7300
03:10:18 +47.7975 +103.5340 +39 265 +39 +48.0759 +104.0035 +47.5174 +103.0752
03:10:22 +47.4031 +104.9011 +38 267 +40 +47.6762 +105.3805 +47.1283 +104.4325
03:10:26 +46.9932 +106.2818 +37 268 +41 +47.2606 +106.7714 +46.7240 +105.8032
03:10:30 +46.5669 +107.6781 +36 269 +41 +46.8283 +108.1783 +46.3034 +107.1892
03:10:34 +46.1231 +109.0920 +35 271 +42 +46.3782 +109.6030 +45.8658 +108.5925
03:10:38 +45.6607 +110.5258 +34 272 +43 +45.9090 +111.0482 +45.4098 +110.0152
03:10:42 +45.1783 +111.9823 +33 273 +44 +45.4194 +112.5167 +44.9343 +111.4600
03:10:46 +44.6742 +113.4647 +32 275 +45 +44.9077 +114.0117 +44.4377 +112.9300
03:10:50 +44.1466 +114.9768 +31 276 +46 +44.3718 +115.5375 +43.9181 +114.4289
03:10:54 +43.5932 +116.5232 +29 277 +47 +43.8094 +117.0987 +43.3733 +115.9610
03:10:58 +43.0112 +118.1095 +28 279 +48 +43.2175 +118.7012 +42.8008 +117.5317
03:11:02 +42.3971 +119.7426 +27 280 +49 +42.5924 +120.3525 +42.1972 +119.1474
03:11:06 +41.7466 +121.4312 +26 281 +50 +41.9295 +122.0617 +41.5584 +120.8163
03:11:10 +41.0540 +123.1865 +24 283 +51 +41.2228 +123.8409 +40.8792 +122.5490
03:11:14 +40.3119 +125.0234 +23 284 +52 +40.4642 +125.7062 +40.1528 +124.3591
03:11:18 +39.5102 +126.9624 +21 286 +53 +39.6425 +127.6800 +39.3698 +126.2656
03:11:22 +38.6343 +129.0330 +19 287 +54 +38.7416 +129.7952 +38.5168 +128.2952
03:11:26 +37.6615 +131.2806 +17 289 +55 +37.7360 +132.1031 +37.5740 +130.4881
03:11:30 +36.5545 +133.7814 +15 290 +56 +36.5818 +134.6928 +36.5088 +132.9105
03:11:34 +35.2404 +136.6839 +12 292 +57 +35.1893 +137.7472 +35.2609 +135.6853
03:11:38 +33.5337 +140.3686 +09 294 +58 +33.3012 +141.7947 +33.6900 +139.1004
03:11:42 +30.0278 +147.7429 +02 298 +58 +33.3399 +141.6828 +31.1892 +144.4074
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East.