Cora»Occultation

2025-08-12 / UCAC4 410-108166 / (164686) 1997 MW5

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Leszek Benedyktowicz	O-	?	M200	PL	GPS	21:40:29	::	::	21:41:27
2	show	Vitali Nevski	O-	VID	M300	BY	GPS	21:39:05	::	::	21:41:05

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#31 : 39ae6710-ddb7-11f0-547e-c2b7f76e4711 [db: observed]

JPL#31 : 39ae8e20-ddb7-11f0-547e-72feb763804b [db: observed]

Using prediction 39ae8e20-ddb7-11f0-547e-72feb763804b for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 39ae8e20-ddb7-11f0-547e-72feb763804b [observed] Occultation Date + Time : 2025-08-12 at 21:48:19 UT +/- 0.1 min [1] Object Designation : (164686) 1997 MW5 Orbit Class : MBA Star Designation : GDR3 4203800980145377536 Star Coordinates (ICRF) : RA = 18 59 17.7651, DE = -08 08 50.496 [2] Star Magnitudes : G = 11.24 mag, RP = 10.72 mag, BP = 11.58 mag Object Magnitude : V = 20.51 mag Estimated Magnitude Drop : 9.3 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.4 km (src: astorb) Speed of the shadow : 8.8 km/s Elongation to Moon & Sun : 81° (sunlit = 85%), Sun = 142° Cross-track uncertainty : 25.7 mas = 39 km = 16.30 path-width (1-sig) RUWE and duplicate source : 0.63 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 39ae8e20-ddb7-11f0-547e-72feb763804b [observed] Occultation Date + Time : 2025-08-12 at 21:48:19 UT +/- 0.1 min [1] Object Designation : (164686) 1997 MW5 Orbit Class : MBA Star Designation : GDR3 4203800980145377536 Star Coordinates (ICRF) : RA = 18 59 17.7651, DE = -08 08 50.496 [2] Star Magnitudes : G = 11.24 mag, RP = 10.72 mag, BP = 11.58 mag Object Magnitude : V = 20.51 mag Estimated Magnitude Drop : 9.3 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.4 km (src: astorb) Speed of the shadow : 8.8 km/s Elongation to Moon & Sun : 81° (sunlit = 85%), Sun = 142° Cross-track uncertainty : 25.7 mas = 39 km = 16.30 path-width (1-sig) RUWE and duplicate source : 0.63 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#31 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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