Stellar Occultation by (19521) Chaos on 2023-03-29 (20:00:16 UT)
| Event Details |
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Occultation UUID [and db] : 5e566f20-ddb4-11f0-547e-f7bcf8ebd945 [observed]
Occultation Date + Time : 2023-03-29 at 20:00:16 UT +/- 2.28 min [1]
Object Designation : (19521) Chaos
Star Designation : GDR3 3444124860094090752
Star Coordinates (ICRF) : RA = 05 53 42.3874, DE = +31 12 49.046 [2]
Star Magnitudes : G = 13.5 mag, RP = 12.89 mag, BP = 13.91 mag
Object Magnitude : V = 20.97 mag
Estimated Magnitude Drop : 7.5 mag
Estimated Max. Duration : 40.8 sec
Speed of the shadow : 10.0 km/s
Object Mean Diameter : 406.9 km (src: astorb) => apparent = 14 mas
Apparent Motion : 0.0200 arcs/min @ PA = 108 deg
Horizontal Parallax : 0.2130 arcs
Dynamical Class : TNO
Elongation to Moon & Sun : 18° (sunlit = 57%), Sun = 80°
Cross-track uncertainty : 26.7 mas = 799 km = 1.96 path-width (1-sig)
RUWE and duplicate source : 2.68 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#18
Note : FP:true
Object is a <TNOs are Cool> target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0
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| 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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19:50:51 +39.1648 -128.1179 +18 064 +53 +39.7772 -131.4928 +38.3100 -125.2196
19:51:35 +44.1890 -116.4708 +28 072 +49 +45.3825 -119.0785 +42.8954 -114.1705
19:52:20 +47.3456 -106.8824 +35 080 +45 +48.8005 -109.0979 +45.8346 -104.9340
19:53:05 +49.5205 -098.1063 +41 088 +41 +51.1472 -099.9744 +47.8640 -096.4767
19:53:50 +51.0070 -089.7865 +47 096 +37 +52.7565 -091.3003 +49.2465 -088.4792
19:54:34 +51.9478 -081.7987 +52 105 +33 +53.7841 -082.9440 +50.1145 -080.8221
19:55:19 +52.4291 -074.1085 +56 114 +29 +54.3219 -074.8786 +50.5490 -073.4648
19:56:04 +52.5114 -066.7191 +60 124 +25 +54.4343 -067.1199 +50.6072 -066.4007
19:56:49 +52.2426 -059.6460 +64 134 +22 +54.1728 -059.6969 +50.3336 -059.6352
19:57:33 +51.6624 -052.9036 +67 146 +18 +53.5809 -052.6347 +49.7651 -053.1745
19:58:18 +50.8055 -046.4980 +69 159 +14 +52.6970 -045.9466 +48.9330 -047.0198
19:59:03 +49.7015 -040.4254 +71 174 +10 +51.5543 -039.6313 +47.8640 -041.1649
19:59:48 +48.3756 -034.6717 +73 191 +07 +50.1810 -033.6742 +46.5808 -035.5960
20:00:33 +46.8483 -029.2142 +73 208 +03 +48.6005 -028.0496 +45.1016 -030.2925
20:01:17 +45.1356 -024.0235 +72 225 -01 +46.8308 -022.7240 +43.4407 -025.2283
20:02:02 +43.2488 -019.0653 +70 239 -05 +44.8846 -017.6580 +41.6080 -020.3729
20:02:47 +41.1944 -014.3014 +68 251 -09 +42.7694 -012.8084 +39.6089 -015.6921
20:03:32 +38.9736 -009.6899 +65 261 -13 +40.4871 -008.1285 +37.4444 -011.1480
20:04:16 +36.5819 -005.1847 +61 269 -17 +38.0332 -003.5678 +35.1098 -006.6983
20:05:01 +34.0076 -000.7338 +57 276 -22 +35.3956 +000.9304 +32.5934 -002.2947
20:05:46 +31.2294 +003.7250 +53 282 -26 +32.5519 +005.4328 +29.8750 +002.1209
20:06:31 +28.2118 +008.2707 +48 286 -31 +29.4645 +010.0241 +26.9205 +006.6229
20:07:15 +24.8956 +013.0143 +43 290 -37 +26.0700 +014.8238 +23.6742 +011.3154
20:08:00 +21.1766 +018.1322 +37 294 -43 +22.2553 +020.0234 +20.0388 +016.3622
20:08:45 +16.8465 +023.9587 +30 297 -50 +17.7876 +025.9971 +15.8247 +022.0673
20:09:30 +11.3567 +031.3603 +21 299 -59 +12.0117 +033.7823 +10.5568 +029.1791
Longitude measured positiv to the East. Azimuth (Azm) measured from North to East. |
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