Cora»Occultation

2025-10-31 / Other J092213.25+090137.3 / (4546) Franck

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	04:51:36	::	::	04:53:37

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

1 observation found in db: sodis

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

JPL#65 : a68db0b0-ddb8-11f0-547e-af4a1b8df271 [db: observed]

Using prediction a68db0b0-ddb8-11f0-547e-af4a1b8df271 for map and profile fit

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Event Details
Occultation UUID [and DB] : a68db0b0-ddb8-11f0-547e-af4a1b8df271 [observed] Occultation Date + Time : 2025-10-31 at 04:54:19 UT +/- 0.0 min [1] Object Designation : (4546) Franck Orbit Class : MBA Star Designation : GDR3 0587662237465397632 Star Coordinates (ICRF) : RA = 09 22 13.2411, DE = +09 01 37.106 [2] Star Magnitudes : G = 11.53 mag, RP = 10.96 mag, BP = 11.95 mag Object Magnitude : V = 18.23 mag Estimated Magnitude Drop : 6.7 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 6.5 km (src: astorb) Speed of the shadow : 24.5 km/s Elongation to Moon & Sun : 170° (sunlit = 66%), Sun = 78° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.15 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : a68db0b0-ddb8-11f0-547e-af4a1b8df271 [observed] Occultation Date + Time : 2025-10-31 at 04:54:19 UT +/- 0.0 min [1] Object Designation : (4546) Franck Orbit Class : MBA Star Designation : GDR3 0587662237465397632 Star Coordinates (ICRF) : RA = 09 22 13.2411, DE = +09 01 37.106 [2] Star Magnitudes : G = 11.53 mag, RP = 10.96 mag, BP = 11.95 mag Object Magnitude : V = 18.23 mag Estimated Magnitude Drop : 6.7 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 6.5 km (src: astorb) Speed of the shadow : 24.5 km/s Elongation to Moon & Sun : 170° (sunlit = 66%), Sun = 78° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.15 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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