Cora»OccDetail

Stellar Occultation by (70683) 1999 UT8 on 2024-10-10 (23:12:47 UT)

Event Details
Occultation UUID [and db] : 7fd48aa0-ddb5-11f0-547e-f687fbbad353 [observed] Occultation Date + Time : 2024-10-10 at 23:12:47 UT +/- 0.0 min [1] Object Designation : (70683) 1999 UT8 Star Designation : GDR3 4291512840939666432 Star Coordinates (ICRF) : RA = 19 43 45.4719, DE = +05 29 39.770 [2] Star Magnitudes : G = 13.72 mag, RP = 12.89 mag, BP = 14.44 mag Object Magnitude : V = 20.05 mag Estimated Magnitude Drop : 6.3 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 13.9 km/s Object Mean Diameter : 4.9 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.3933 arcs/min @ PA = 130 deg Horizontal Parallax : 3.0040 arcs Dynamical Class : MBA Elongation to Moon & Sun : 33° (sunlit = 52%), Sun = 100° Cross-track uncertainty : 0.7 mas = 1 km = 0.30 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and db] : 7fd48aa0-ddb5-11f0-547e-f687fbbad353 [observed]

 Occultation Date + Time   : 2024-10-10 at 23:12:47 UT +/- 0.0 min  [1]
 Object Designation        : (70683) 1999 UT8
 Star Designation          : GDR3 4291512840939666432
 Star Coordinates (ICRF)   : RA = 19 43 45.4719, DE = +05 29 39.770  [2]
 Star Magnitudes           : G = 13.72 mag, RP = 12.89 mag, BP = 14.44 mag
 Object Magnitude          : V = 20.05 mag
 Estimated Magnitude Drop  : 6.3 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 13.9 km/s
 Object Mean Diameter      : 4.9 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3933 arcs/min @ PA = 130 deg
 Horizontal Parallax       : 3.0040 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 33° (sunlit = 52%), Sun = 100°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.30 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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Occultation Ground Track
Time[UT] \| Lat----CENTR----Lon \| Alt hh:mm:ss \| +DD.dddd +DDD.dddd \| deg ---------------------------------------------- 23:10:40 +65.8213 +025.1973 +02 279 -30 23:10:48 +65.2104 +016.3304 +06 271 -32 23:10:55 +64.2560 +011.6973 +08 267 -33 23:11:03 +63.2259 +008.4955 +09 264 -34 23:11:10 +62.1720 +006.1207 +10 262 -35 23:11:18 +61.1142 +004.3030 +11 261 -36 23:11:25 +60.0616 +002.8911 +12 260 -37 23:11:33 +59.0189 +001.7897 +13 259 -38 23:11:40 +57.9882 +000.9344 +14 258 -39 23:11:48 +56.9705 +000.2794 +14 258 -40 23:11:55 +55.9660 -000.2089 +15 258 -41 23:12:03 +54.9747 -000.5556 +15 258 -42 23:12:10 +53.9961 -000.7802 +15 258 -43 23:12:18 +53.0298 -000.8976 +16 258 -43 23:12:25 +52.0750 -000.9194 +16 258 -44 23:12:33 +51.1311 -000.8548 +16 259 -45 23:12:40 +50.1973 -000.7107 +16 259 -46 23:12:48 +49.2730 -000.4926 +16 260 -47 23:12:55 +48.3575 -000.2043 +16 260 -48 23:13:03 +47.4498 +000.1515 +16 261 -49 23:13:10 +46.5493 +000.5734 +16 261 -50 23:13:18 +45.6551 +001.0612 +15 262 -51 23:13:25 +44.7664 +001.6157 +15 263 -52 23:13:33 +43.8822 +002.2392 +15 263 -53 23:13:40 +43.0015 +002.9358 +14 264 -54 23:13:48 +42.1231 +003.7112 +14 265 -55 23:13:55 +41.2457 +004.5741 +13 266 -56 23:14:03 +40.3674 +005.5369 +13 267 -57 23:14:10 +39.4860 +006.6177 +12 267 -58 23:14:18 +38.5984 +007.8443 +11 268 -59 23:14:25 +37.6997 +009.2619 +10 269 -59 23:14:33 +36.7816 +010.9522 +08 271 -60 23:14:40 +35.8262 +013.0944 +07 272 -61 23:14:48 +34.7740 +016.3005 +04 274 -61 Longitude measured positiv to the East.

Occultation Ground Track

 Time[UT] | Lat----CENTR----Lon | Alt hh:mm:ss | +DD.dddd  +DDD.dddd | deg ---------------------------------------------- 23:10:40   +65.8213  +025.1973   +02  279  -30 23:10:48   +65.2104  +016.3304   +06  271  -32 23:10:55   +64.2560  +011.6973   +08  267  -33 23:11:03   +63.2259  +008.4955   +09  264  -34 23:11:10   +62.1720  +006.1207   +10  262  -35 23:11:18   +61.1142  +004.3030   +11  261  -36 23:11:25   +60.0616  +002.8911   +12  260  -37 23:11:33   +59.0189  +001.7897   +13  259  -38 23:11:40   +57.9882  +000.9344   +14  258  -39 23:11:48   +56.9705  +000.2794   +14  258  -40 23:11:55   +55.9660  -000.2089   +15  258  -41 23:12:03   +54.9747  -000.5556   +15  258  -42 23:12:10   +53.9961  -000.7802   +15  258  -43 23:12:18   +53.0298  -000.8976   +16  258  -43 23:12:25   +52.0750  -000.9194   +16  258  -44 23:12:33   +51.1311  -000.8548   +16  259  -45 23:12:40   +50.1973  -000.7107   +16  259  -46 23:12:48   +49.2730  -000.4926   +16  260  -47 23:12:55   +48.3575  -000.2043   +16  260  -48 23:13:03   +47.4498  +000.1515   +16  261  -49 23:13:10   +46.5493  +000.5734   +16  261  -50 23:13:18   +45.6551  +001.0612   +15  262  -51 23:13:25   +44.7664  +001.6157   +15  263  -52 23:13:33   +43.8822  +002.2392   +15  263  -53 23:13:40   +43.0015  +002.9358   +14  264  -54 23:13:48   +42.1231  +003.7112   +14  265  -55 23:13:55   +41.2457  +004.5741   +13  266  -56 23:14:03   +40.3674  +005.5369   +13  267  -57 23:14:10   +39.4860  +006.6177   +12  267  -58 23:14:18   +38.5984  +007.8443   +11  268  -59 23:14:25   +37.6997  +009.2619   +10  269  -59 23:14:33   +36.7816  +010.9522   +08  271  -60 23:14:40   +35.8262  +013.0944   +07  272  -61 23:14:48   +34.7740  +016.3005   +04  274  -61

Longitude measured positiv to the East.

------------------------------------------------------------------------------------------- Azm Sun | Lat----EDGE1----Lon | Lat----EDGE2----Lon deg deg | +DD.dddd +DDD.dddd | +DD.dddd +DDD.dddd --------------------------------------------- +65.7076 +026.7916 +65.8977 +023.9836 +65.2015 +016.8413 +65.2176 +015.8375 +64.2597 +012.0630 +64.2516 +011.3391 +63.2349 +008.7914 +63.2165 +008.2039 +62.1838 +006.3736 +62.1599 +005.8707 +61.1276 +004.5262 +61.1006 +004.0820 +60.0760 +003.0924 +60.0471 +002.6915 +59.0339 +001.9742 +59.0038 +001.6067 +58.0035 +001.1056 +57.9727 +000.7645 +56.9859 +000.4398 +56.9549 +000.1201 +55.9816 -000.0573 +55.9504 -000.3595 +54.9902 -000.4114 +54.9591 -000.6990 +54.0115 -000.6421 +53.9807 -000.9176 +53.0450 -000.7645 +53.0144 -001.0299 +52.0900 -000.7906 +52.0598 -001.0475 +51.1459 -000.7295 +51.1161 -000.9794 +50.2120 -000.5883 +50.1826 -000.8325 +49.2874 -000.3724 +49.2586 -000.6121 +48.3715 -000.0859 +48.3433 -000.3220 +47.4636 +000.2687 +47.4360 +000.0350 +46.5627 +000.6898 +46.5358 +000.4576 +45.6682 +001.1774 +45.6420 +000.9456 +44.7791 +001.7322 +44.7537 +001.4998 +43.8944 +002.3568 +43.8700 +002.1224 +43.0133 +003.0550 +42.9897 +002.8174 +42.1343 +003.8329 +42.1119 +003.5904 +41.2562 +004.6994 +41.2351 +004.4498 +40.3771 +005.6671 +40.3575 +005.4077 +39.4948 +006.7547 +39.4771 +006.4819 +38.6060 +007.9911 +38.5906 +007.6990 +37.7056 +009.4234 +37.6936 +009.1024 +36.7849 +011.1378 +36.7779 +010.7699 +35.8247 +013.3275 +35.8271 +012.8678 +34.7560 +016.7006 +34.7889 +015.9319 Azimuth (Azm) measured from North to East.

Apply ephem. offset (O-C) in RA & DE and CTU:
CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.