Cora»Occultation

2025-09-26 / UCAC4 488-022247 / (218) Bianca

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Faustino Garcia	O+	CCD	T250	ES	GPS	05:16:24	05:17:21.946	05:17:23.914	05:18:24	0.020	0.020	1.97	35.1

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#126 : 71d1ef30-ddb8-11f0-547e-23f3b6ffa331 [db: observed]

Using prediction 71d1ef30-ddb8-11f0-547e-23f3b6ffa331 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-09-26, 05:16 UT (JD = 2460944.719)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 184	None	6.337	305°, 17°	2.443956e6	16988.7	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] : 71d1ef30-ddb8-11f0-547e-23f3b6ffa331 [observed] Occultation Date + Time : 2025-09-26 at 05:20:04 UT +/- 0.01 min [1] Object Designation : (218) Bianca Orbit Class : MBA Star Designation : GDR3 3325368571983012608 Star Coordinates (ICRF) : RA = 06 21 17.7854, DE = +07 28 29.079 [2] Star Magnitudes : G = 10.85 mag, RP = 10.13 mag, BP = 11.43 mag Object Magnitude : V = 14.07 mag Estimated Magnitude Drop : 3.3 mag Estimated Max. Duration : 3.4 sec Object Mean Diameter : 60.6 km (src: astorb) Speed of the shadow : 17.8 km/s Elongation to Moon & Sun : 132° (sunlit = 17%), Sun = 88° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#126 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 71d1ef30-ddb8-11f0-547e-23f3b6ffa331 [observed] Occultation Date + Time : 2025-09-26 at 05:20:04 UT +/- 0.01 min [1] Object Designation : (218) Bianca Orbit Class : MBA Star Designation : GDR3 3325368571983012608 Star Coordinates (ICRF) : RA = 06 21 17.7854, DE = +07 28 29.079 [2] Star Magnitudes : G = 10.85 mag, RP = 10.13 mag, BP = 11.43 mag Object Magnitude : V = 14.07 mag Estimated Magnitude Drop : 3.3 mag Estimated Max. Duration : 3.4 sec Object Mean Diameter : 60.6 km (src: astorb) Speed of the shadow : 17.8 km/s Elongation to Moon & Sun : 132° (sunlit = 17%), Sun = 88° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.05 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#126 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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