Cora»Occultation

2025-11-11 / UCAC4 455-003502 / (249482) 2009 TZ27

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andreas Schweizer	O-	VID	M250	CH	GPS	22:42:27	::	::	22:43:27

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 : b3b01df0-ddb8-11f0-547e-ba25e6f7e2fb [db: observed]

Using prediction b3b01df0-ddb8-11f0-547e-ba25e6f7e2fb for map and profile fit

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Event Details
Occultation UUID [and DB] : b3b01df0-ddb8-11f0-547e-ba25e6f7e2fb [observed] Occultation Date + Time : 2025-11-11 at 22:43:18 UT +/- 0.01 min [1] Object Designation : (249482) 2009 TZ27 Orbit Class : MBA Star Designation : GDR3 2502066909483758720 Star Coordinates (ICRF) : RA = 02 36 16.9598, DE = +00 57 18.957 [2] Star Magnitudes : G = 13.65 mag, RP = 13.16 mag, BP = 13.98 mag Object Magnitude : V = 19.31 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.1 km (src: astorb) Speed of the shadow : 11.5 km/s Elongation to Moon & Sun : 100° (sunlit = 53%), Sun = 161° Cross-track uncertainty : 3.3 mas = 4 km = 1.45 path-width (1-sig) RUWE and duplicate source : 0.87 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] : b3b01df0-ddb8-11f0-547e-ba25e6f7e2fb [observed] Occultation Date + Time : 2025-11-11 at 22:43:18 UT +/- 0.01 min [1] Object Designation : (249482) 2009 TZ27 Orbit Class : MBA Star Designation : GDR3 2502066909483758720 Star Coordinates (ICRF) : RA = 02 36 16.9598, DE = +00 57 18.957 [2] Star Magnitudes : G = 13.65 mag, RP = 13.16 mag, BP = 13.98 mag Object Magnitude : V = 19.31 mag Estimated Magnitude Drop : 5.7 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 3.1 km (src: astorb) Speed of the shadow : 11.5 km/s Elongation to Moon & Sun : 100° (sunlit = 53%), Sun = 161° Cross-track uncertainty : 3.3 mas = 4 km = 1.45 path-width (1-sig) RUWE and duplicate source : 0.87 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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