Cora»Occultation

2025-09-24 / UCAC4 575-000672 / (271330) 2003 WS41

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Alexandros Siakas	O-	CCD	T279	CY	GPS	01:04:32	::	::	01:06:32

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#31 : 71253470-ddb8-11f0-547e-a18cff7fa3c7 [db: observed]

Using prediction 71253470-ddb8-11f0-547e-a18cff7fa3c7 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] : 71253470-ddb8-11f0-547e-a18cff7fa3c7 [observed] Occultation Date + Time : 2025-09-24 at 01:10:30 UT +/- 0.02 min [1] Object Designation : (271330) 2003 WS41 Orbit Class : MBA Star Designation : GDR3 2849533165344366208 Star Coordinates (ICRF) : RA = 00 16 12.3891, DE = +24 57 25.636 [2] Star Magnitudes : G = 13.31 mag, RP = 12.52 mag, BP = 13.98 mag Object Magnitude : V = 20.44 mag Estimated Magnitude Drop : 7.1 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 3.3 km (src: astorb) Speed of the shadow : 14.3 km/s Elongation to Moon & Sun : 159° (sunlit = 5%), Sun = 155° Cross-track uncertainty : 2.7 mas = 5 km = 1.55 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 71253470-ddb8-11f0-547e-a18cff7fa3c7 [observed] Occultation Date + Time : 2025-09-24 at 01:10:30 UT +/- 0.02 min [1] Object Designation : (271330) 2003 WS41 Orbit Class : MBA Star Designation : GDR3 2849533165344366208 Star Coordinates (ICRF) : RA = 00 16 12.3891, DE = +24 57 25.636 [2] Star Magnitudes : G = 13.31 mag, RP = 12.52 mag, BP = 13.98 mag Object Magnitude : V = 20.44 mag Estimated Magnitude Drop : 7.1 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 3.3 km (src: astorb) Speed of the shadow : 14.3 km/s Elongation to Moon & Sun : 159° (sunlit = 5%), Sun = 155° Cross-track uncertainty : 2.7 mas = 5 km = 1.55 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

SiMDA \| 3D Asteroid Catalogue \| Johnston Archive \| Star at CDS (Vizier) \| JPL Small-Body Node \| Minor Planet Center \| Wikipedia

(If error 404: link not valid which means no data available)

Aladin Sky Atlas

Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)