Cora»Occultation

2025-09-18 / UCAC4 425-121995 / (306821) 2001 QU266

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andreas Schweizer	O-	VID	M250	CH	GPS	22:58:39	::	::	22:59:39

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#40 : 72578f60-ddb7-11f0-547e-f8a5f77fed02 [db: observed]

Using prediction 72578f60-ddb7-11f0-547e-f8a5f77fed02 for map and profile fit

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Event Details
Occultation UUID [and DB] : 72578f60-ddb7-11f0-547e-f8a5f77fed02 [observed] Occultation Date + Time : 2025-09-18 at 23:07:46 UT +/- 0.04 min [1] Object Designation : (306821) 2001 QU266 Orbit Class : MBA Star Designation : GDR3 4218852263537425280 Star Coordinates (ICRF) : RA = 20 19 10.8074, DE = -05 07 29.343 [2] Star Magnitudes : G = 14.07 mag, RP = 13.53 mag, BP = 14.44 mag Object Magnitude : V = 19.66 mag Estimated Magnitude Drop : 5.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 7.8 km/s Elongation to Moon & Sun : 157° (sunlit = 8%), Sun = 128° Cross-track uncertainty : 0.7 mas = 0 km = 0.35 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 72578f60-ddb7-11f0-547e-f8a5f77fed02 [observed] Occultation Date + Time : 2025-09-18 at 23:07:46 UT +/- 0.04 min [1] Object Designation : (306821) 2001 QU266 Orbit Class : MBA Star Designation : GDR3 4218852263537425280 Star Coordinates (ICRF) : RA = 20 19 10.8074, DE = -05 07 29.343 [2] Star Magnitudes : G = 14.07 mag, RP = 13.53 mag, BP = 14.44 mag Object Magnitude : V = 19.66 mag Estimated Magnitude Drop : 5.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.3 km (src: astorb) Speed of the shadow : 7.8 km/s Elongation to Moon & Sun : 157° (sunlit = 8%), Sun = 128° Cross-track uncertainty : 0.7 mas = 0 km = 0.35 path-width (1-sig) RUWE and duplicate source : 0.96 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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