Cora»Occultation

2025-09-05 / UCAC4 441-123057 / (506419) 1999 TC269

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Michael OConnell	O-	VID	M350	ES	NTP	21:19:45	::	::	21:21:45

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#30 : 718f0f40-ddb7-11f0-547e-9538d5efb2d8 [db: observed]

Using prediction 718f0f40-ddb7-11f0-547e-9538d5efb2d8 for map and profile fit

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Event Details
Occultation UUID [and DB] : 718f0f40-ddb7-11f0-547e-9538d5efb2d8 [observed] Occultation Date + Time : 2025-09-05 at 21:21:10 UT +/- 0.07 min [1] Object Designation : (506419) 1999 TC269 Orbit Class : MBA Star Designation : GDR3 2685719814140119808 Star Coordinates (ICRF) : RA = 21 16 07.6454, DE = -01 57 48.339 [2] Star Magnitudes : G = 8.53 mag, RP = 7.32 mag, BP = 10.04 mag Object Magnitude : V = 19.41 mag Estimated Magnitude Drop : 10.9 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 1.60 km (src: astorb) Speed of the shadow : 7.1 km/s Elongation to Moon & Sun : 16° (sunlit = 96%), Sun = 154° Cross-track uncertainty : 27.3 mas = 23 km = 14.84 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#30 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 718f0f40-ddb7-11f0-547e-9538d5efb2d8 [observed] Occultation Date + Time : 2025-09-05 at 21:21:10 UT +/- 0.07 min [1] Object Designation : (506419) 1999 TC269 Orbit Class : MBA Star Designation : GDR3 2685719814140119808 Star Coordinates (ICRF) : RA = 21 16 07.6454, DE = -01 57 48.339 [2] Star Magnitudes : G = 8.53 mag, RP = 7.32 mag, BP = 10.04 mag Object Magnitude : V = 19.41 mag Estimated Magnitude Drop : 10.9 mag Estimated Max. Duration : 0.2 sec Object Mean Diameter : 1.60 km (src: astorb) Speed of the shadow : 7.1 km/s Elongation to Moon & Sun : 16° (sunlit = 96%), Sun = 154° Cross-track uncertainty : 27.3 mas = 23 km = 14.84 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#30 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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