Stellar Occultation by (1796) Riga on 2011-12-18 (19:36:55 UT)
Event Details
Occultation UUID [and db] : a13f0f18-4b9c-4707-a9c1-00d4991115e8 [observed]
Occultation Date + Time : 2011-12-18 at 19:36:55 UT +/- 0.03 min [1]
Object Designation : (1796) Riga
Star Designation : GDR3 2540203710811571840
Star Coordinates (ICRF) : RA = 00 24 49.1165, DE = -03 41 34.627 [2]
Star Magnitudes : G = 11.61 mag, RP = 11.17 mag, BP = 11.88 mag
Object Magnitude : V = 16.12 mag
Estimated Magnitude Drop : 4.5 mag
Estimated Max. Duration : 7.4 sec
Object Mean Diameter : 74 km (src: astorb)
Orbital Class : MBA
Speed of the shadow : 10.0 km/s
Elongation to Moon & Sun : 169° (sunlit = 41%), Sun = 98°
Cross-track uncertainty : 0.7 mas = 1 km = 0.02 path-width (1-sig)
RUWE and duplicate source : 0.81 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#64
[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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19:30:41 +47.0783 -089.4650 +07 103 +16 +47.8310 -093.5064 +46.4176 -086.7621
19:30:49 +46.9083 -085.1023 +10 106 +15 +47.5534 -087.4877 +46.2958 -083.1413
19:30:57 +46.8078 -081.7785 +12 109 +14 +47.4174 -083.6161 +46.2186 -080.1780
19:31:06 +46.7431 -078.9786 +14 111 +13 +47.3334 -080.5152 +46.1682 -077.6025
19:31:14 +46.7015 -076.5082 +15 113 +12 +47.2793 -077.8470 +46.1364 -075.2893
19:31:22 +46.6764 -074.2688 +17 115 +11 +47.2453 -075.4644 +46.1186 -073.1684
19:31:30 +46.6641 -072.2024 +18 116 +11 +47.2263 -073.2879 +46.1118 -071.1956
19:31:38 +46.6619 -070.2715 +19 118 +10 +47.2190 -071.2687 +46.1140 -069.3411
19:31:46 +46.6682 -068.4499 +20 120 +09 +47.2212 -069.3741 +46.1239 -067.5837
19:31:54 +46.6817 -066.7188 +21 121 +08 +47.2314 -067.5813 +46.1403 -065.9077
19:32:02 +46.7015 -065.0641 +22 123 +07 +47.2484 -065.8732 +46.1625 -064.3009
19:32:10 +46.7269 -063.4746 +23 124 +06 +47.2715 -064.2370 +46.1899 -062.7537
19:32:19 +46.7571 -061.9416 +24 126 +06 +47.2998 -062.6626 +46.2218 -061.2585
19:32:27 +46.7919 -060.4581 +25 127 +05 +47.3330 -061.1419 +46.2580 -059.8091
19:32:35 +46.8307 -059.0181 +26 128 +04 +47.3705 -059.6683 +46.2980 -058.4002
19:32:43 +46.8733 -057.6169 +27 130 +03 +47.4119 -058.2362 +46.3416 -057.0273
19:32:51 +46.9194 -056.2501 +27 131 +03 +47.4571 -056.8412 +46.3884 -055.6869
19:32:59 +46.9687 -054.9144 +28 132 +02 +47.5057 -055.4793 +46.4384 -054.3755
19:33:07 +47.0211 -053.6065 +29 134 +01 +47.5575 -054.1471 +46.4914 -053.0904
19:33:15 +47.0764 -052.3239 +29 135 +00 +47.6123 -052.8417 +46.5470 -051.8292
19:33:24 +47.1344 -051.0642 +30 136 -01 +47.6699 -051.5606 +46.6054 -050.5896
19:33:32 +47.1950 -049.8253 +30 138 -01 +47.7303 -050.3014 +46.6662 -049.3697
19:33:40 +47.2581 -048.6052 +31 139 -02 +47.7933 -049.0622 +46.7294 -048.1677
19:33:48 +47.3236 -047.4024 +31 140 -03 +47.8588 -047.8411 +46.7950 -046.9822
19:33:56 +47.3915 -046.2154 +32 142 -03 +47.9266 -046.6366 +46.8627 -045.8116
19:34:04 +47.4615 -045.0426 +32 143 -04 +47.9968 -045.4471 +46.9327 -044.6548
19:34:12 +47.5337 -043.8829 +33 144 -05 +48.0692 -044.2714 +47.0047 -043.5103
19:34:20 +47.6080 -042.7352 +33 146 -06 +48.1437 -043.1081 +47.0788 -042.3773
19:34:28 +47.6844 -041.5983 +33 147 -06 +48.2204 -041.9562 +47.1548 -041.2547
19:34:37 +47.7628 -040.4712 +34 148 -07 +48.2991 -040.8146 +47.2328 -040.1415
19:34:45 +47.8431 -039.3530 +34 150 -08 +48.3798 -039.6822 +47.3127 -039.0368
19:34:53 +47.9253 -038.2429 +34 151 -09 +48.4625 -038.5583 +47.3944 -037.9398
19:35:01 +48.0094 -037.1400 +35 152 -09 +48.5472 -037.4420 +47.4780 -036.8498
19:35:09 +48.0953 -036.0436 +35 154 -10 +48.6337 -036.3323 +47.5634 -035.7660
19:35:17 +48.1831 -034.9528 +35 155 -11 +48.7221 -035.2286 +47.6505 -034.6877
19:35:25 +48.2727 -033.8671 +35 156 -11 +48.8124 -034.1302 +47.7395 -033.6142
19:35:33 +48.3641 -032.7858 +36 158 -12 +48.9045 -033.0362 +47.8301 -032.5448
19:35:42 +48.4572 -031.7081 +36 159 -13 +48.9985 -031.9461 +47.9225 -031.4791
19:35:50 +48.5522 -030.6335 +36 160 -14 +49.0942 -030.8592 +48.0166 -030.4163
19:35:58 +48.6488 -029.5614 +36 162 -14 +49.1918 -029.7749 +48.1125 -029.3558
19:36:06 +48.7473 -028.4911 +36 163 -15 +49.2911 -028.6925 +48.2100 -028.2972
19:36:14 +48.8474 -027.4222 +36 164 -16 +49.3923 -027.6115 +48.3092 -027.2398
19:36:22 +48.9493 -026.3540 +36 166 -17 +49.4952 -026.5312 +48.4102 -026.1832
19:36:30 +49.0530 -025.2859 +37 167 -17 +49.5999 -025.4511 +48.5128 -025.1267
19:36:38 +49.1584 -024.2175 +37 169 -18 +49.7064 -024.3706 +48.6172 -024.0698
19:36:46 +49.2656 -023.1481 +37 170 -19 +49.8148 -023.2891 +48.7232 -023.0120
19:36:55 +49.3745 -022.0772 +37 171 -19 +49.9249 -022.2060 +48.8310 -021.9528
19:37:03 +49.4852 -021.0042 +37 173 -20 +50.0368 -021.1208 +48.9405 -020.8916
19:37:11 +49.5977 -019.9287 +37 174 -21 +50.1506 -020.0329 +49.0517 -019.8279
19:37:19 +49.7120 -018.8500 +37 175 -22 +50.2663 -018.9417 +49.1647 -018.7611
19:37:27 +49.8281 -017.7675 +36 177 -22 +50.3838 -017.8466 +49.2795 -017.6908
19:37:35 +49.9460 -016.6807 +36 178 -23 +50.5032 -016.7470 +49.3960 -016.6163
19:37:43 +50.0659 -015.5890 +36 180 -24 +50.6245 -015.6422 +49.5144 -015.5370
19:37:51 +50.1876 -014.4917 +36 181 -25 +50.7478 -014.5317 +49.6347 -014.4523
19:38:00 +50.3112 -013.3882 +36 182 -25 +50.8730 -013.4147 +49.7567 -013.3618
19:38:08 +50.4368 -012.2778 +36 184 -26 +51.0003 -012.2905 +49.8807 -012.2646
19:38:16 +50.5644 -011.1599 +36 185 -27 +51.1296 -011.1585 +50.0067 -011.1602
19:38:24 +50.6940 -010.0338 +35 187 -27 +51.2610 -010.0179 +50.1346 -010.0478
19:38:32 +50.8257 -008.8986 +35 188 -28 +51.3946 -008.8679 +50.2645 -008.9269
19:38:40 +50.9595 -007.7537 +35 189 -29 +51.5303 -007.7077 +50.3964 -007.7965
19:38:48 +51.0954 -006.5981 +35 191 -30 +51.6683 -006.5364 +50.5305 -006.6559
19:38:56 +51.2337 -005.4310 +34 192 -31 +51.8086 -005.3530 +50.6667 -005.5043
19:39:04 +51.3741 -004.2515 +34 194 -31 +51.9512 -004.1566 +50.8052 -004.3407
19:39:13 +51.5170 -003.0585 +34 195 -32 +52.0963 -002.9462 +50.9459 -003.1643
19:39:21 +51.6623 -001.8510 +33 197 -33 +52.2439 -001.7206 +51.0889 -001.9741
19:39:29 +51.8100 -000.6278 +33 198 -34 +52.3942 -000.4785 +51.2344 -000.7688
19:39:37 +51.9604 +000.6123 +33 200 -34 +52.5471 +000.7813 +51.3824 +000.4526
19:39:45 +52.1135 +001.8706 +32 201 -35 +52.7028 +002.0603 +51.5330 +001.6915
19:39:53 +52.2694 +003.1487 +32 202 -36 +52.8614 +003.3601 +51.6863 +002.9491
19:40:01 +52.4282 +004.4481 +31 204 -37 +53.0231 +004.6823 +51.8424 +004.2270
19:40:09 +52.5900 +005.7707 +31 205 -37 +53.1879 +006.0289 +52.0014 +005.5269
19:40:18 +52.7550 +007.1183 +30 207 -38 +53.3561 +007.4020 +52.1634 +006.8506
19:40:26 +52.9234 +008.4931 +30 208 -39 +53.5278 +008.8039 +52.3287 +008.2001
19:40:34 +53.0953 +009.8976 +29 210 -40 +53.7032 +010.2372 +52.4973 +009.5776
19:40:42 +53.2709 +011.3344 +29 212 -41 +53.8825 +011.7049 +52.6695 +010.9856
19:40:50 +53.4505 +012.8067 +28 213 -41 +54.0659 +013.2104 +52.8455 +012.4271
19:40:58 +53.6343 +014.3179 +27 215 -42 +54.2539 +014.7574 +53.0254 +013.9051
19:41:06 +53.8227 +015.8721 +27 216 -43 +54.4466 +016.3505 +53.2097 +015.4233
19:41:14 +54.0158 +017.4739 +26 218 -44 +54.6445 +017.9947 +53.3985 +016.9860
19:41:22 +54.2143 +019.1287 +25 220 -45 +54.8479 +019.6962 +53.5922 +018.5980
19:41:31 +54.4184 +020.8430 +24 221 -46 +55.0576 +021.4622 +53.7913 +020.2651
19:41:39 +54.6288 +022.6245 +23 223 -46 +55.2739 +023.3013 +53.9963 +021.9942
19:41:47 +54.8462 +024.4825 +22 225 -47 +55.4978 +025.2245 +54.2077 +023.7935
19:41:55 +55.0713 +026.4286 +22 227 -48 +55.7302 +027.2449 +54.4263 +025.6731
19:42:03 +55.3053 +028.4773 +20 229 -49 +55.9723 +029.3797 +54.6529 +027.6453
19:42:11 +55.5494 +030.6473 +19 231 -50 +56.2257 +031.6513 +54.8888 +029.7263
19:42:19 +55.8054 +032.9636 +18 233 -51 +56.4925 +034.0902 +55.1352 +031.9367
19:42:27 +56.0756 +035.4606 +17 235 -51 +56.7756 +036.7395 +55.3943 +034.3045
19:42:36 +56.3635 +038.1879 +15 238 -52 +57.0796 +039.6642 +55.6686 +036.8690
19:42:44 +56.6742 +041.2225 +14 240 -53 +57.4115 +042.9698 +55.9622 +039.6883
19:42:52 +57.0167 +044.6950 +12 243 -54 +57.7845 +046.8519 +56.2814 +042.8555
19:43:00 +57.4082 +048.8647 +10 247 -54 +58.2285 +051.7623 +56.6373 +046.5375
19:43:08 +57.8946 +054.4265 +07 252 -55 +58.8662 +059.5692 +57.0542 +051.0986
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East.