Cora»Occultation

2026-09-22 / UCAC4 464-001966 / (3885) Bogorodskij

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Michael OConnell	O+	VID	M350	ES	NTP	22:06:09	22:07:08.6	22:07:09.8	22:08:09	0.200	0.200	1.20	12.0
2	show	Juan Collada Barcena, Alfonso Coya	O+	CCD	M356	ES	GPS	22:05:54	22:06:51.091	22:06:53.081	22:07:54	0.136	0.136	1.99	19.9

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

2 observations found in db: sodis

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

JPL61 : 588f6f70-d9b1-11f1-43f3-8ed6f73d9457 [db: observed]

Using prediction 588f6f70-d9b1-11f1-43f3-8ed6f73d9457 for map and profile fit

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Ellipse and circular profile fits to the timings (chords)

Auto-Fit Result:
X0,Y0 = 3033.3, 38.4 km
Circular diameter = 20 km

From 2 chords (CCD,VID)

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 588f6f70-d9b1-11f1-43f3-8ed6f73d9457 [observed] Occultation Date + Time : 2026-09-22 at 22:05:26 UT +/- 0.0 min [1] Object Designation : (3885) Bogorodskij Orbit Class : MBA Star Designation : GDR3 2559380705428161408 Star Coordinates (ICRF) : RA = 01 28 25.8403, DE = +02 36 44.952 [2] Star Magnitudes : G = 14.69 mag, RP = 13.76 mag, BP = 15.59 mag Object Magnitude : V = 16.93 mag Estimated Magnitude Drop : 2.4 mag Estimated Max. Duration : 0.9 sec Object Mean Diameter : 8.7 km (src: astorb) Speed of the shadow : 10.0 km/s Elongation to Moon & Sun : 67° (sunlit = 85%), Sun = 158° Cross-track uncertainty : 0.7 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.97 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

 Occultation UUID [and DB] : 588f6f70-d9b1-11f1-43f3-8ed6f73d9457 [observed]

 Occultation Date + Time   : 2026-09-22 at 22:05:26 UT +/- 0.0 min  [1]
 Object Designation        : (3885) Bogorodskij
 Orbit Class               : MBA
 Star Designation          : GDR3 2559380705428161408
 Star Coordinates (ICRF)   : RA = 01 28 25.8403, DE = +02 36 44.952  [2]
 Star Magnitudes           : G = 14.69 mag, RP = 13.76 mag, BP = 15.59 mag
 Object Magnitude          : V = 16.93 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 8.7 km  (src: astorb)
 Speed of the shadow       : 10.0 km/s
 Elongation to Moon & Sun  : 67° (sunlit = 85%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL61
 Note                      : FP:true

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

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