Cora»Occultation

2025-11-17 / UCAC4 585-045388 / (15861) Ispahan

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith, Eric Smith	O+	VID	M150	ES	GPS	01:09:11	01:10:11.693	01:10:12.294	01:11:11	0.068	0.068	0.60	9.2
2	show	Antoni Selva	O-	VID	M500	ES	GPS	01:09:15	::	::	01:11:15

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#61 : b94e4200-ddb8-11f0-547e-11f16ef5da30 [db: observed]

Using prediction b94e4200-ddb8-11f0-547e-11f16ef5da30 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : b94e4200-ddb8-11f0-547e-11f16ef5da30 [observed] Occultation Date + Time : 2025-11-17 at 01:15:06 UT +/- 0.0 min [1] Object Designation : (15861) Ispahan Orbit Class : MBA Star Designation : GDR3 0739117829592206080 Star Coordinates (ICRF) : RA = 10 05 59.6454, DE = +26 53 38.179 [2] Star Magnitudes : G = 12.87 mag, RP = 12.17 mag, BP = 13.43 mag Object Magnitude : V = 18.8 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 9.8 km (src: astorb) Speed of the shadow : 15.4 km/s Elongation to Moon & Sun : 58° (sunlit = 9%), Sun = 91° Cross-track uncertainty : 0.7 mas = 1 km = 0.17 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : b94e4200-ddb8-11f0-547e-11f16ef5da30 [observed] Occultation Date + Time : 2025-11-17 at 01:15:06 UT +/- 0.0 min [1] Object Designation : (15861) Ispahan Orbit Class : MBA Star Designation : GDR3 0739117829592206080 Star Coordinates (ICRF) : RA = 10 05 59.6454, DE = +26 53 38.179 [2] Star Magnitudes : G = 12.87 mag, RP = 12.17 mag, BP = 13.43 mag Object Magnitude : V = 18.8 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 9.8 km (src: astorb) Speed of the shadow : 15.4 km/s Elongation to Moon & Sun : 58° (sunlit = 9%), Sun = 91° Cross-track uncertainty : 0.7 mas = 1 km = 0.17 path-width (1-sig) RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#61 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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