Cora»Occultation

2025-09-07 / UCAC4 411-129541 / (129808) 1999 KF18

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Anton Zhdanov	O-	VID	M200	RU	GPS	21:30:18	::	::	21:32:40

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 : 708fa0a0-ddb7-11f0-547e-3340fe172319 [db: observed]

Using prediction 708fa0a0-ddb7-11f0-547e-3340fe172319 for map and profile fit

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Event Details
Occultation UUID [and DB] : 708fa0a0-ddb7-11f0-547e-3340fe172319 [observed] Occultation Date + Time : 2025-09-07 at 21:45:37 UT +/- 0.3 min [1] Object Designation : (129808) 1999 KF18 Orbit Class : MBA Star Designation : GDR3 6906719694470121472 Star Coordinates (ICRF) : RA = 20 37 40.9385, DE = -07 58 25.932 [2] Star Magnitudes : G = 12.34 mag, RP = 11.65 mag, BP = 12.87 mag Object Magnitude : V = 18.43 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 6.6 km/s Elongation to Moon & Sun : 39° (sunlit = 100%), Sun = 143° Cross-track uncertainty : 17.7 mas = 12 km = 6.03 path-width (1-sig) RUWE and duplicate source : 1.21 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] : 708fa0a0-ddb7-11f0-547e-3340fe172319 [observed] Occultation Date + Time : 2025-09-07 at 21:45:37 UT +/- 0.3 min [1] Object Designation : (129808) 1999 KF18 Orbit Class : MBA Star Designation : GDR3 6906719694470121472 Star Coordinates (ICRF) : RA = 20 37 40.9385, DE = -07 58 25.932 [2] Star Magnitudes : G = 12.34 mag, RP = 11.65 mag, BP = 12.87 mag Object Magnitude : V = 18.43 mag Estimated Magnitude Drop : 6.1 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 6.6 km/s Elongation to Moon & Sun : 39° (sunlit = 100%), Sun = 143° Cross-track uncertainty : 17.7 mas = 12 km = 6.03 path-width (1-sig) RUWE and duplicate source : 1.21 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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