Cora»Occultation

2025-09-18 / UCAC4 331-190167 / (22603) Davidoconnor

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andreas Schweizer	O-	VID	M250	CH	GPS	19:09:06	::	::	19:10:06

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#46 : 70c72b60-ddb7-11f0-547e-b338fbd9b4f2 [db: observed]

Using prediction 70c72b60-ddb7-11f0-547e-b338fbd9b4f2 for map and profile fit

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Event Details
Occultation UUID [and DB] : 70c72b60-ddb7-11f0-547e-b338fbd9b4f2 [observed] Occultation Date + Time : 2025-09-18 at 19:08:34 UT +/- 0.01 min [1] Object Designation : (22603) Davidoconnor Orbit Class : MBA Star Designation : GDR3 4080547620765956480 Star Coordinates (ICRF) : RA = 19 04 19.1129, DE = -23 49 30.374 [2] Star Magnitudes : G = 14.24 mag, RP = 13.61 mag, BP = 14.7 mag Object Magnitude : V = 19.37 mag Estimated Magnitude Drop : 5.1 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 4.1 km (src: astorb) Speed of the shadow : 8.4 km/s Elongation to Moon & Sun : 144° (sunlit = 9%), Sun = 109° Cross-track uncertainty : 0.4 mas = 0 km = 0.15 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 70c72b60-ddb7-11f0-547e-b338fbd9b4f2 [observed] Occultation Date + Time : 2025-09-18 at 19:08:34 UT +/- 0.01 min [1] Object Designation : (22603) Davidoconnor Orbit Class : MBA Star Designation : GDR3 4080547620765956480 Star Coordinates (ICRF) : RA = 19 04 19.1129, DE = -23 49 30.374 [2] Star Magnitudes : G = 14.24 mag, RP = 13.61 mag, BP = 14.7 mag Object Magnitude : V = 19.37 mag Estimated Magnitude Drop : 5.1 mag Estimated Max. Duration : 0.5 sec Object Mean Diameter : 4.1 km (src: astorb) Speed of the shadow : 8.4 km/s Elongation to Moon & Sun : 144° (sunlit = 9%), Sun = 109° Cross-track uncertainty : 0.4 mas = 0 km = 0.15 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#46 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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