Cora»Occultation

2025-09-30 / HIP 18222 / (28954) Feiyiou

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O+	VID	M200	CZ	GPS	20:28:11	20:29:07.263	20:29:10.173	20:30:11	0.015	0.013	2.91	4.9

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#54 : 7acc5da0-ddb8-11f0-547e-a36dfcff3917 [db: observed]

Using prediction 7acc5da0-ddb8-11f0-547e-a36dfcff3917 for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2025-09-30, 20:29 UT (JD = 2460949.353)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 2249	1.5	12.166	88°, -68°	2.450493e6	10456.4	0.0°	None	2018-07-19	not scaled	2018-07-18
# 2250	1.5	12.166	246°, -60°	2.450493e6	10456.4	0.0°	None	2018-07-19	not scaled	2018-07-18

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] : 7acc5da0-ddb8-11f0-547e-a36dfcff3917 [observed] Occultation Date + Time : 2025-09-30 at 21:18:12 UT +/- 0.06 min [1] Object Designation : (28954) Feiyiou Orbit Class : MBA Star Designation : GDR3 0043545475121228672 Star Coordinates (ICRF) : RA = 03 53 45.6767, DE = +16 55 50.962 [2] Star Magnitudes : G = 7.95 mag, RP = 7.22 mag, BP = 8.52 mag Object Magnitude : V = 18.25 mag Estimated Magnitude Drop : 10.3 mag Estimated Max. Duration : 2.4 sec Object Mean Diameter : 4.1 km (src: astorb) Speed of the shadow : 1.7 km/s Elongation to Moon & Sun : 131° (sunlit = 59%), Sun = 128° Cross-track uncertainty : 1.3 mas = 1 km = 0.34 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 7acc5da0-ddb8-11f0-547e-a36dfcff3917 [observed] Occultation Date + Time : 2025-09-30 at 21:18:12 UT +/- 0.06 min [1] Object Designation : (28954) Feiyiou Orbit Class : MBA Star Designation : GDR3 0043545475121228672 Star Coordinates (ICRF) : RA = 03 53 45.6767, DE = +16 55 50.962 [2] Star Magnitudes : G = 7.95 mag, RP = 7.22 mag, BP = 8.52 mag Object Magnitude : V = 18.25 mag Estimated Magnitude Drop : 10.3 mag Estimated Max. Duration : 2.4 sec Object Mean Diameter : 4.1 km (src: astorb) Speed of the shadow : 1.7 km/s Elongation to Moon & Sun : 131° (sunlit = 59%), Sun = 128° Cross-track uncertainty : 1.3 mas = 1 km = 0.34 path-width (1-sig) RUWE and duplicate source : 0.94 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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