Cora»Occultation

2025-10-01 / UCAC4 414-140995 / (255179) 2005 UD242

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Oscar Canales	O-	CCD	M200	ES	GPS	21:47:53	::	::	21:49:53

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#24 : 7b817cd0-ddb8-11f0-547e-adf86e7fbe6f [db: observed]

Using prediction 7b817cd0-ddb8-11f0-547e-adf86e7fbe6f for map and profile fit

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Event Details
Occultation UUID [and DB] : 7b817cd0-ddb8-11f0-547e-adf86e7fbe6f [observed] Occultation Date + Time : 2025-10-01 at 21:56:28 UT +/- 0.14 min [1] Object Designation : (255179) 2005 UD242 Orbit Class : MBA Star Designation : GDR3 2666879819836798464 Star Coordinates (ICRF) : RA = 21 55 20.4993, DE = -07 16 42.560 [2] Star Magnitudes : G = 13.12 mag, RP = 12.43 mag, BP = 13.68 mag Object Magnitude : V = 20.83 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 5.7 km/s Elongation to Moon & Sun : 29° (sunlit = 69%), Sun = 139° Cross-track uncertainty : 22.3 mas = 34 km = 16.41 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#24 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 7b817cd0-ddb8-11f0-547e-adf86e7fbe6f [observed] Occultation Date + Time : 2025-10-01 at 21:56:28 UT +/- 0.14 min [1] Object Designation : (255179) 2005 UD242 Orbit Class : MBA Star Designation : GDR3 2666879819836798464 Star Coordinates (ICRF) : RA = 21 55 20.4993, DE = -07 16 42.560 [2] Star Magnitudes : G = 13.12 mag, RP = 12.43 mag, BP = 13.68 mag Object Magnitude : V = 20.83 mag Estimated Magnitude Drop : 7.7 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.1 km (src: astorb) Speed of the shadow : 5.7 km/s Elongation to Moon & Sun : 29° (sunlit = 69%), Sun = 139° Cross-track uncertainty : 22.3 mas = 34 km = 16.41 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#24 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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