Cora»Occultation

2025-08-15 / UCAC4 467-074855 / (25284) 1998 WL2

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Carsten Ziolek	O+	VID	M356	CH	GPS	21:58:06	21:58:35.712	21:58:36.181	21:59:06	0.021	0.021	0.47	5.6
2	show	Stefano Sposetti	O-	VID	M420	CH	GPS	21:57:30	::	::	22:00:00

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

2 observations found in db: sodis

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

JPL#58 : 4b190550-ddb7-11f0-547e-026577ffdbd8 [db: observed]

Using prediction 4b190550-ddb7-11f0-547e-026577ffdbd8 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 4b190550-ddb7-11f0-547e-026577ffdbd8 [observed] Occultation Date + Time : 2025-08-15 at 22:05:13 UT +/- 0.02 min [1] Object Designation : (25284) 1998 WL2 Orbit Class : MBA Star Designation : GDR3 4278210738797167360 Star Coordinates (ICRF) : RA = 18 18 36.8761, DE = +03 21 48.314 [2] Star Magnitudes : G = 12.95 mag, RP = 12.3 mag, BP = 13.44 mag Object Magnitude : V = 18.41 mag Estimated Magnitude Drop : 5.5 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 7.2 km (src: astorb) Speed of the shadow : 12.0 km/s Elongation to Moon & Sun : 126° (sunlit = 53%), Sun = 127° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 4b190550-ddb7-11f0-547e-026577ffdbd8 [observed] Occultation Date + Time : 2025-08-15 at 22:05:13 UT +/- 0.02 min [1] Object Designation : (25284) 1998 WL2 Orbit Class : MBA Star Designation : GDR3 4278210738797167360 Star Coordinates (ICRF) : RA = 18 18 36.8761, DE = +03 21 48.314 [2] Star Magnitudes : G = 12.95 mag, RP = 12.3 mag, BP = 13.44 mag Object Magnitude : V = 18.41 mag Estimated Magnitude Drop : 5.5 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 7.2 km (src: astorb) Speed of the shadow : 12.0 km/s Elongation to Moon & Sun : 126° (sunlit = 53%), Sun = 127° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 0.92 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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