Cora»Occultation

2025-09-05 / UCAC4 576-003725 / (275968) 2001 WG40

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andreas Schweizer	O-	VID	M250	CH	GPS	22:54:46	::	::	22:55:46
2	show	Stefan Meister	O-	VID	M200	CH	GPS	22:55:01	::	::	22:55:46

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

2 observations found in db: sodis

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

JPL#42 : 6374d480-ddb7-11f0-547e-429ffffb619b [db: observed]

Using prediction 6374d480-ddb7-11f0-547e-429ffffb619b 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] : 6374d480-ddb7-11f0-547e-429ffffb619b [observed] Occultation Date + Time : 2025-09-05 at 23:05:33 UT +/- 0.1 min [1] Object Designation : (275968) 2001 WG40 Orbit Class : MBA Star Designation : GDR3 0291500186293787008 Star Coordinates (ICRF) : RA = 01 46 31.9722, DE = +25 10 07.705 [2] Star Magnitudes : G = 13.54 mag, RP = 12.89 mag, BP = 14.04 mag Object Magnitude : V = 19.19 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 1.90 km (src: astorb) Speed of the shadow : 3.2 km/s Elongation to Moon & Sun : 75° (sunlit = 96%), Sun = 129° Cross-track uncertainty : 19.3 mas = 16 km = 8.66 path-width (1-sig) RUWE and duplicate source : 1.03 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] : 6374d480-ddb7-11f0-547e-429ffffb619b [observed] Occultation Date + Time : 2025-09-05 at 23:05:33 UT +/- 0.1 min [1] Object Designation : (275968) 2001 WG40 Orbit Class : MBA Star Designation : GDR3 0291500186293787008 Star Coordinates (ICRF) : RA = 01 46 31.9722, DE = +25 10 07.705 [2] Star Magnitudes : G = 13.54 mag, RP = 12.89 mag, BP = 14.04 mag Object Magnitude : V = 19.19 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 1.90 km (src: astorb) Speed of the shadow : 3.2 km/s Elongation to Moon & Sun : 75° (sunlit = 96%), Sun = 129° Cross-track uncertainty : 19.3 mas = 16 km = 8.66 path-width (1-sig) RUWE and duplicate source : 1.03 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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