Cora»Occultation

2025-09-09 / UCAC4 433-081659 / (40140) 1998 QQ68

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Daniel Blazewicz	O-	VID	M350	PL	GPS	19:24:56	::	::	19:27:01

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#42 : 675b5d80-ddb7-11f0-547e-2a128b9b984c [db: observed]

Using prediction 675b5d80-ddb7-11f0-547e-2a128b9b984c for map and profile fit

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Event Details
Occultation UUID [and DB] : 675b5d80-ddb7-11f0-547e-2a128b9b984c [observed] Occultation Date + Time : 2025-09-09 at 19:32:37 UT +/- 0.03 min [1] Object Designation : (40140) 1998 QQ68 Orbit Class : MBA Star Designation : GDR3 4258593256642370944 Star Coordinates (ICRF) : RA = 18 44 16.9957, DE = -03 25 36.067 [2] Star Magnitudes : G = 13.11 mag, RP = 11.69 mag, BP = 15.74 mag Object Magnitude : V = 19.24 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 5.4 km (src: astorb) Speed of the shadow : 10.0 km/s Elongation to Moon & Sun : 92° (sunlit = 94%), Sun = 113° Cross-track uncertainty : 0.6 mas = 1 km = 0.19 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#42 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 675b5d80-ddb7-11f0-547e-2a128b9b984c [observed] Occultation Date + Time : 2025-09-09 at 19:32:37 UT +/- 0.03 min [1] Object Designation : (40140) 1998 QQ68 Orbit Class : MBA Star Designation : GDR3 4258593256642370944 Star Coordinates (ICRF) : RA = 18 44 16.9957, DE = -03 25 36.067 [2] Star Magnitudes : G = 13.11 mag, RP = 11.69 mag, BP = 15.74 mag Object Magnitude : V = 19.24 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 5.4 km (src: astorb) Speed of the shadow : 10.0 km/s Elongation to Moon & Sun : 92° (sunlit = 94%), Sun = 113° Cross-track uncertainty : 0.6 mas = 1 km = 0.19 path-width (1-sig) RUWE and duplicate source : 1.07 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#42 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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