Cora»Occultation

2025-09-06 / UCAC4 356-079477 / (690) Wratislavia

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Antoni Selva	O+	VID	M280	ES	GPS	20:15:42	20:16:35.9	20:16:42.8	20:17:42	1.300	1.000	6.90	122.1

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#83 : 66868150-ddb7-11f0-547e-4014f5b71e7c [db: observed]

Using prediction 66868150-ddb7-11f0-547e-4014f5b71e7c for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-09-06, 20:15 UT (JD = 2460925.344)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 239	None	8.618	177°, 17°	2.44705573364e6	13869.6	0.0°	this pole is preferred	2010-04-15	not scaled	2007-02-27
# 240	None	8.618	359°, 45°	2.44705573364e6	13869.6	0.0°	None	2010-04-15	not scaled	2007-02-27

Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0

Image size: 300px. Transparent image background for copy & paste

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 66868150-ddb7-11f0-547e-4014f5b71e7c [observed] Occultation Date + Time : 2025-09-06 at 20:13:45 UT +/- 0.01 min [1] Object Designation : (690) Wratislavia Orbit Class : MBA Star Designation : GDR3 4323535494308110848 Star Coordinates (ICRF) : RA = 16 29 35.7845, DE = -18 55 38.371 [2] Star Magnitudes : G = 14.92 mag, RP = 14.06 mag, BP = 15.57 mag Object Magnitude : V = 14.03 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 7.6 sec Object Mean Diameter : 135.0 km (src: astorb) Speed of the shadow : 17.7 km/s Elongation to Moon & Sun : 84° (sunlit = 99%), Sun = 84° Cross-track uncertainty : 1.0 mas = 2 km = 0.02 path-width (1-sig) RUWE and duplicate source : 4.64 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#83 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 66868150-ddb7-11f0-547e-4014f5b71e7c [observed] Occultation Date + Time : 2025-09-06 at 20:13:45 UT +/- 0.01 min [1] Object Designation : (690) Wratislavia Orbit Class : MBA Star Designation : GDR3 4323535494308110848 Star Coordinates (ICRF) : RA = 16 29 35.7845, DE = -18 55 38.371 [2] Star Magnitudes : G = 14.92 mag, RP = 14.06 mag, BP = 15.57 mag Object Magnitude : V = 14.03 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 7.6 sec Object Mean Diameter : 135.0 km (src: astorb) Speed of the shadow : 17.7 km/s Elongation to Moon & Sun : 84° (sunlit = 99%), Sun = 84° Cross-track uncertainty : 1.0 mas = 2 km = 0.02 path-width (1-sig) RUWE and duplicate source : 4.64 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#83 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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