Cora»Occultation

2023-06-24 / TYC 5127-01509-1 / (19933) 1981 EW5

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT4
1	show	Michal Rottenborn	O-	VID	M254	CZ	GPS	21:38:37	21:42:37
2	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	21:38:34	21:42:37
3	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	21:38:01	21:42:00
4	show	Simon Kidd	O-	VID	M350	GB	GPS	21:40:26	21:42:26

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

4 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#51 : bcdadd70-ddb3-11f0-547e-bfdefeff738d [db: observed]

JPL#51 : bcdb0480-ddb3-11f0-547e-8f96efafc0e8 [db: observed]

Using prediction bcdadd70-ddb3-11f0-547e-bfdefeff738d for map and profile fit

Get observations as KML file (reduced site location resolution)

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : bcdadd70-ddb3-11f0-547e-bfdefeff738d [observed] Occultation Date + Time : 2023-06-24 at 21:36:18 UT +/- 0.0 min [1] Object Designation : (19933) 1981 EW5 Orbit Class : MBA Star Designation : GDR3 4253933350259319808 Star Coordinates (ICRF) : RA = 18 53 21.3489, DE = -06 27 25.523 [2] Star Magnitudes : G = 8.86 mag, RP = 8.17 mag, BP = 9.4 mag Object Magnitude : V = 18.11 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 5.3 km (src: astorb) Speed of the shadow : 12.4 km/s Elongation to Moon & Sun : 114° (sunlit = 36%), Sun = 161° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : bcdadd70-ddb3-11f0-547e-bfdefeff738d [observed] Occultation Date + Time : 2023-06-24 at 21:36:18 UT +/- 0.0 min [1] Object Designation : (19933) 1981 EW5 Orbit Class : MBA Star Designation : GDR3 4253933350259319808 Star Coordinates (ICRF) : RA = 18 53 21.3489, DE = -06 27 25.523 [2] Star Magnitudes : G = 8.86 mag, RP = 8.17 mag, BP = 9.4 mag Object Magnitude : V = 18.11 mag Estimated Magnitude Drop : 9.2 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 5.3 km (src: astorb) Speed of the shadow : 12.4 km/s Elongation to Moon & Sun : 114° (sunlit = 36%), Sun = 161° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 0.9 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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