Cora»Occultation

2024-12-04 / UCAC4 474-009491 / (256) Walpurga

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O+	VID	M303	CZ	GPS	00:18:36	00:20:03.5	00:20:06.6	00:21:35	0.4	0.4	3.10	43.4

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#81 : b70543c0-ddb5-11f0-547e-c124ad7151fb [db: observed]

Using prediction b70543c0-ddb5-11f0-547e-c124ad7151fb for map and profile fit

Get observations as KML file (reduced site location resolution)

Sky projection (artificial light) for occ. time: 2024-12-04, 00:20 UT (JD = 2460648.514)

DAMIT	Q	P (h)	λ, β	JD0	JD-JD0	φ0	Version	Modified	Vol-equiv D	Cmnt
# 4071	1.0	16.660	220°, 73°	2.448894e6	11754.5	0.0°	None	2019-09-26	not scaled	2019-05-07

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] : b70543c0-ddb5-11f0-547e-c124ad7151fb [observed] Occultation Date + Time : 2024-12-04 at 00:22:18 UT +/- 0.0 min [1] Object Designation : (256) Walpurga Orbit Class : MBA Star Designation : GDR3 3238830100566685312 Star Coordinates (ICRF) : RA = 05 14 00.7585, DE = +04 38 00.957 [2] Star Magnitudes : G = 14.72 mag, RP = 14.27 mag, BP = 15.0 mag Object Magnitude : V = 14.64 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 4.5 sec Object Mean Diameter : 63.3 km (src: astorb) Speed of the shadow : 14.0 km/s Elongation to Moon & Sun : 145° (sunlit = 8%), Sun = 161° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : b70543c0-ddb5-11f0-547e-c124ad7151fb [observed] Occultation Date + Time : 2024-12-04 at 00:22:18 UT +/- 0.0 min [1] Object Designation : (256) Walpurga Orbit Class : MBA Star Designation : GDR3 3238830100566685312 Star Coordinates (ICRF) : RA = 05 14 00.7585, DE = +04 38 00.957 [2] Star Magnitudes : G = 14.72 mag, RP = 14.27 mag, BP = 15.0 mag Object Magnitude : V = 14.64 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 4.5 sec Object Mean Diameter : 63.3 km (src: astorb) Speed of the shadow : 14.0 km/s Elongation to Moon & Sun : 145° (sunlit = 8%), Sun = 161° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#81 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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