Cora»Occultation

2024-11-03 / UCAC4 675-023907 / (773) Irmintraud

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Peter Nosal	O+	VID	M250	SK	NTP	17:58:07	17:59:57.060	18:00:05.610	18:01:33	0.15	0.20	8.55	97.5
2	show	Peter Nosal, Paula Libic	O+	VID	M200	SK	NTP	17:58:41	17:59:57.450	18:00:04.700	18:02:26	0.2	0.2	7.25	82.7

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#112 : 99ee8490-ddb5-11f0-547e-f182d8fd0356 [db: observed]

Using prediction 99ee8490-ddb5-11f0-547e-f182d8fd0356 for map and profile fit

Get observations as KML file (reduced site location resolution)

Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
X0,Y0 = -228.6, 11.7 km
Circular diameter = 100 km

From 2 chords (VID)

You can enter space separated chord numbers (example: 11 4 8) or a method like VIS to ignore all visual timings, or a time source like RAD and NTP (but not GPS).
If the plot disappears, then there are less than 2 chords left (too much ignored, go back with browser).

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 99ee8490-ddb5-11f0-547e-f182d8fd0356 [observed] Occultation Date + Time : 2024-11-03 at 17:53:28 UT +/- 0.01 min [1] Object Designation : (773) Irmintraud Orbit Class : MBA Star Designation : GDR3 0243971635820472576 Star Coordinates (ICRF) : RA = 03 55 53.3009, DE = +44 48 57.829 [2] Star Magnitudes : G = 13.9 mag, RP = 13.3 mag, BP = 14.32 mag Object Magnitude : V = 13.77 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 8.5 sec Object Mean Diameter : 95.9 km (src: astorb) Speed of the shadow : 11.4 km/s Elongation to Moon & Sun : 161° (sunlit = 5%), Sun = 146° Cross-track uncertainty : 0.3 mas = 0 km = 0.00 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 99ee8490-ddb5-11f0-547e-f182d8fd0356 [observed] Occultation Date + Time : 2024-11-03 at 17:53:28 UT +/- 0.01 min [1] Object Designation : (773) Irmintraud Orbit Class : MBA Star Designation : GDR3 0243971635820472576 Star Coordinates (ICRF) : RA = 03 55 53.3009, DE = +44 48 57.829 [2] Star Magnitudes : G = 13.9 mag, RP = 13.3 mag, BP = 14.32 mag Object Magnitude : V = 13.77 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 8.5 sec Object Mean Diameter : 95.9 km (src: astorb) Speed of the shadow : 11.4 km/s Elongation to Moon & Sun : 161° (sunlit = 5%), Sun = 146° Cross-track uncertainty : 0.3 mas = 0 km = 0.00 path-width (1-sig) RUWE and duplicate source : 0.99 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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