Cora»Occultation

2025-08-21 / UCAC4 410-104749 / (396744) 2003 SF87

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith	O-	VID	M300	ES	GPS	21:55:12	::	::	21:59:12
2	show	Deborah Smith	O-	VID	M200	ES	GPS	21:55:10	::	::	21:59:10

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#26 : 4e305770-ddb7-11f0-547e-1d4a936fad26 [db: observed]

Using prediction 4e305770-ddb7-11f0-547e-1d4a936fad26 for map and profile fit

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Event Details
Occultation UUID [and DB] : 4e305770-ddb7-11f0-547e-1d4a936fad26 [observed] Occultation Date + Time : 2025-08-21 at 22:05:47 UT +/- 0.87 min [1] Object Designation : (396744) 2003 SF87 Orbit Class : MBA Star Designation : GDR3 4203996353986368512 Star Coordinates (ICRF) : RA = 18 56 18.1427, DE = -08 01 27.235 [2] Star Magnitudes : G = 11.59 mag, RP = 10.59 mag, BP = 12.65 mag Object Magnitude : V = 19.81 mag Estimated Magnitude Drop : 8.2 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.4 km (src: astorb) Speed of the shadow : 8.9 km/s Elongation to Moon & Sun : 147° (sunlit = 2%), Sun = 133° Cross-track uncertainty : 22.3 mas = 27 km = 11.58 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#26 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 4e305770-ddb7-11f0-547e-1d4a936fad26 [observed] Occultation Date + Time : 2025-08-21 at 22:05:47 UT +/- 0.87 min [1] Object Designation : (396744) 2003 SF87 Orbit Class : MBA Star Designation : GDR3 4203996353986368512 Star Coordinates (ICRF) : RA = 18 56 18.1427, DE = -08 01 27.235 [2] Star Magnitudes : G = 11.59 mag, RP = 10.59 mag, BP = 12.65 mag Object Magnitude : V = 19.81 mag Estimated Magnitude Drop : 8.2 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.4 km (src: astorb) Speed of the shadow : 8.9 km/s Elongation to Moon & Sun : 147° (sunlit = 2%), Sun = 133° Cross-track uncertainty : 22.3 mas = 27 km = 11.58 path-width (1-sig) RUWE and duplicate source : 0.83 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#26 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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