Cora»Occultation

2025-09-09 / UCAC4 586-006661 / (213180) 2000 SD173

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	02:42:51	::	::	02:44:51

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#40 : 67715680-ddb7-11f0-547e-f688e6bd7fd9 [db: observed]

Using prediction 67715680-ddb7-11f0-547e-f688e6bd7fd9 for map and profile fit

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Event Details
Occultation UUID [and DB] : 67715680-ddb7-11f0-547e-f688e6bd7fd9 [observed] Occultation Date + Time : 2025-09-09 at 02:50:50 UT +/- 0.39 min [1] Object Designation : (213180) 2000 SD173 Orbit Class : JTRO Star Designation : GDR3 0116099155059743744 Star Coordinates (ICRF) : RA = 02 53 36.1103, DE = +27 03 03.192 [2] Star Magnitudes : G = 14.8 mag, RP = 14.23 mag, BP = 15.2 mag Object Magnitude : V = 20.13 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 3.3 sec Object Mean Diameter : 10.8 km (src: astorb) Speed of the shadow : 3.3 km/s Elongation to Moon & Sun : 45° (sunlit = 98%), Sun = 117° Cross-track uncertainty : 14.3 mas = 49 km = 4.57 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 67715680-ddb7-11f0-547e-f688e6bd7fd9 [observed] Occultation Date + Time : 2025-09-09 at 02:50:50 UT +/- 0.39 min [1] Object Designation : (213180) 2000 SD173 Orbit Class : JTRO Star Designation : GDR3 0116099155059743744 Star Coordinates (ICRF) : RA = 02 53 36.1103, DE = +27 03 03.192 [2] Star Magnitudes : G = 14.8 mag, RP = 14.23 mag, BP = 15.2 mag Object Magnitude : V = 20.13 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 3.3 sec Object Mean Diameter : 10.8 km (src: astorb) Speed of the shadow : 3.3 km/s Elongation to Moon & Sun : 45° (sunlit = 98%), Sun = 117° Cross-track uncertainty : 14.3 mas = 49 km = 4.57 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#40 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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