Cora»Occultation

2023-09-16 / UCAC4 545-006766 / (110759) 2001 UR18

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	01:37:01			01:41:01

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#38 : 0b566af0-ddb4-11f0-547e-6b65ed4f694c [db: observed]

Using prediction 0b566af0-ddb4-11f0-547e-6b65ed4f694c for map and profile fit

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Event Details
Occultation UUID [and DB] : 0b566af0-ddb4-11f0-547e-6b65ed4f694c [observed] Occultation Date + Time : 2023-09-16 at 01:34:15 UT +/- 0.02 min [1] Object Designation : (110759) 2001 UR18 Orbit Class : MBA Star Designation : GDR3 0057515320107755264 Star Coordinates (ICRF) : RA = 03 25 40.0473, DE = +18 53 41.035 [2] Star Magnitudes : G = 11.08 mag, RP = 10.32 mag, BP = 11.71 mag Object Magnitude : V = 19.18 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.8 km (src: astorb) Speed of the shadow : 6.8 km/s Elongation to Moon & Sun : 130° (sunlit = 1%), Sun = 119° Cross-track uncertainty : 2.0 mas = 2 km = 0.79 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 0b566af0-ddb4-11f0-547e-6b65ed4f694c [observed] Occultation Date + Time : 2023-09-16 at 01:34:15 UT +/- 0.02 min [1] Object Designation : (110759) 2001 UR18 Orbit Class : MBA Star Designation : GDR3 0057515320107755264 Star Coordinates (ICRF) : RA = 03 25 40.0473, DE = +18 53 41.035 [2] Star Magnitudes : G = 11.08 mag, RP = 10.32 mag, BP = 11.71 mag Object Magnitude : V = 19.18 mag Estimated Magnitude Drop : 8.1 mag Estimated Max. Duration : 0.4 sec Object Mean Diameter : 2.8 km (src: astorb) Speed of the shadow : 6.8 km/s Elongation to Moon & Sun : 130° (sunlit = 1%), Sun = 119° Cross-track uncertainty : 2.0 mas = 2 km = 0.79 path-width (1-sig) RUWE and duplicate source : 0.88 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#38 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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