Cora»Occultation

2026-07-12 / UCAC4 442-126913 / (476) Hedwig

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Alfonso Noschese	O+	VID	M450	IT	GPS	22:51:52	22:53:40.3	22:53:54.8	22:55:50	0.700	0.300	14.50	87.0
2	show	Matthieu Conjat	O+	VID	T400	FR	GPS	22:51:54	22:54:34.19	22:54:53.19	22:57:52	0.860	0.860	19.00	114.0

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):

JPL143 : 723d8c60-d9aa-11f1-43f3-1300af79edf8 [db: observed]

Using prediction 723d8c60-d9aa-11f1-43f3-1300af79edf8 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 = -592.5, 48.9 km
Circular diameter = 144 km

From 2 chords (VID)

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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] : 723d8c60-d9aa-11f1-43f3-1300af79edf8 [observed] Occultation Date + Time : 2026-07-12 at 22:38:51 UT +/- 0.01 min [1] Object Designation : (476) Hedwig Orbit Class : MBA Star Designation : GDR3 2676231647267420032 Star Coordinates (ICRF) : RA = 22 13 38.8468, DE = -01 39 41.881 [2] Star Magnitudes : G = 13.96 mag, RP = 13.26 mag, BP = 14.51 mag Object Magnitude : V = 12.67 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 19.6 sec Object Mean Diameter : 116.8 km (src: astorb) Speed of the shadow : 6.0 km/s Elongation to Moon & Sun : 114° (sunlit = 3%), Sun = 135° Cross-track uncertainty : 1.8 mas = 2 km = 0.02 path-width (1-sig) RUWE and duplicate source : 3.2 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL143 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and DB] : 723d8c60-d9aa-11f1-43f3-1300af79edf8 [observed]

 Occultation Date + Time   : 2026-07-12 at 22:38:51 UT +/- 0.01 min  [1]
 Object Designation        : (476) Hedwig
 Orbit Class               : MBA
 Star Designation          : GDR3 2676231647267420032
 Star Coordinates (ICRF)   : RA = 22 13 38.8468, DE = -01 39 41.881  [2]
 Star Magnitudes           : G = 13.96 mag, RP = 13.26 mag, BP = 14.51 mag
 Object Magnitude          : V = 12.67 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 19.6 sec
 Object Mean Diameter      : 116.8 km  (src: astorb)
 Speed of the shadow       : 6.0 km/s
 Elongation to Moon & Sun  : 114° (sunlit = 3%), Sun = 135°
 Cross-track uncertainty   : 1.8 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 3.2 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL143
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

More Data and Informations

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