Cora»Occultation

2023-12-18 / UCAC4 573-040278 / (296745) 2009 TL46

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT4
1	show	Jiri Polak	O-	VID	M300	CZ	GPS	00:49:52	00:53:52
2	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	00:50:21	00:53:21
3	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	00:50:00	00:54:00

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

3 observations found in db: sodis

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

JPL#33 : 49470bd0-ddb4-11f0-547e-e38a4fce7a74 [db: observed]

Using prediction 49470bd0-ddb4-11f0-547e-e38a4fce7a74 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] : 49470bd0-ddb4-11f0-547e-e38a4fce7a74 [observed] Occultation Date + Time : 2023-12-18 at 00:50:45 UT +/- 0.07 min [1] Object Designation : (296745) 2009 TL46 Orbit Class : JTRO Star Designation : GDR3 0869928278433474944 Star Coordinates (ICRF) : RA = 07 27 30.1710, DE = +24 28 00.556 [2] Star Magnitudes : G = 12.9 mag, RP = 12.47 mag, BP = 13.16 mag Object Magnitude : V = 20.37 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 7.1 km (src: astorb) Speed of the shadow : 14.6 km/s Elongation to Moon & Sun : 137° (sunlit = 30%), Sun = 156° Cross-track uncertainty : 18.3 mas = 54 km = 7.65 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#33 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 49470bd0-ddb4-11f0-547e-e38a4fce7a74 [observed] Occultation Date + Time : 2023-12-18 at 00:50:45 UT +/- 0.07 min [1] Object Designation : (296745) 2009 TL46 Orbit Class : JTRO Star Designation : GDR3 0869928278433474944 Star Coordinates (ICRF) : RA = 07 27 30.1710, DE = +24 28 00.556 [2] Star Magnitudes : G = 12.9 mag, RP = 12.47 mag, BP = 13.16 mag Object Magnitude : V = 20.37 mag Estimated Magnitude Drop : 7.5 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 7.1 km (src: astorb) Speed of the shadow : 14.6 km/s Elongation to Moon & Sun : 137° (sunlit = 30%), Sun = 156° Cross-track uncertainty : 18.3 mas = 54 km = 7.65 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#33 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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