Cora»Occultation

2025-10-23 / HIP 19373 / (145474) 2005 SA278

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith	O-	VID	M300	ES	GPS	00:54:52	::	::	01:09:52

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

1 observation found in db: sodis

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

JPL#19 : 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b [db: observed]

JPL#16 (24-02-23) : 84342cc0-d2a6-11ee-7567-f613c9f527f8 [db: cetnos]

JPL#18 : 564d47f0-4097-11f0-4ed7-4de1db17b6ce [db: cetnos]

Using prediction 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b for map and profile fit

Get observations as KML file (reduced site location resolution)

Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b [observed] Occultation Date + Time : 2025-10-23 at 01:02:23 UT +/- 1.03 min [1] Object Designation : (145474) 2005 SA278 Orbit Class : TNO Star Designation : GDR3 3284635686261759488 Star Coordinates (ICRF) : RA = 04 08 59.9919, DE = +04 59 27.815 [2] Star Magnitudes : G = 10.14 mag, RP = 9.59 mag, BP = 10.43 mag Object Magnitude : V = 21.76 mag Estimated Magnitude Drop : 11.6 mag Estimated Max. Duration : 9.5 sec Object Mean Diameter : 189.4 km (src: astorb) Speed of the shadow : 19.9 km/s Elongation to Moon & Sun : 155° (sunlit = 2%), Sun = 145° Cross-track uncertainty : 28.7 mas = 701 km = 3.70 path-width (1-sig) RUWE and duplicate source : 1.46 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#19 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 9b81ee70-ddb8-11f0-547e-d0f17bbfdf5b [observed] Occultation Date + Time : 2025-10-23 at 01:02:23 UT +/- 1.03 min [1] Object Designation : (145474) 2005 SA278 Orbit Class : TNO Star Designation : GDR3 3284635686261759488 Star Coordinates (ICRF) : RA = 04 08 59.9919, DE = +04 59 27.815 [2] Star Magnitudes : G = 10.14 mag, RP = 9.59 mag, BP = 10.43 mag Object Magnitude : V = 21.76 mag Estimated Magnitude Drop : 11.6 mag Estimated Max. Duration : 9.5 sec Object Mean Diameter : 189.4 km (src: astorb) Speed of the shadow : 19.9 km/s Elongation to Moon & Sun : 155° (sunlit = 2%), Sun = 145° Cross-track uncertainty : 28.7 mas = 701 km = 3.70 path-width (1-sig) RUWE and duplicate source : 1.46 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#19 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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