Cora»Occultation

2023-12-23 / UCAC4 439-002520 / (33305) 1998 KQ50

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Andrea Manna	O-	VID	M200	CH	GPS	21:05:23			21:08:26
2	show	Stefano Sposetti	O-	VID	M420	CH	GPS	21:04:30			21:09:30

UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):

JPL#51 : 508bb3f0-ddb4-11f0-547e-d597bbfa83c1 [db: observed]

Using prediction 508bb3f0-ddb4-11f0-547e-d597bbfa83c1 for map and profile fit

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Event Details
Occultation UUID [and DB] : 508bb3f0-ddb4-11f0-547e-d597bbfa83c1 [observed] Occultation Date + Time : 2023-12-23 at 20:43:34 UT +/- 0.04 min [1] Object Designation : (33305) 1998 KQ50 Orbit Class : MBA Star Designation : GDR3 2506255189792185728 Star Coordinates (ICRF) : RA = 02 03 36.8449, DE = -02 16 18.184 [2] Star Magnitudes : G = 13.71 mag, RP = 13.26 mag, BP = 14.0 mag Object Magnitude : V = 18.98 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 1.8 sec Object Mean Diameter : 6.4 km (src: astorb) Speed of the shadow : 3.6 km/s Elongation to Moon & Sun : 30° (sunlit = 89%), Sun = 115° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 508bb3f0-ddb4-11f0-547e-d597bbfa83c1 [observed] Occultation Date + Time : 2023-12-23 at 20:43:34 UT +/- 0.04 min [1] Object Designation : (33305) 1998 KQ50 Orbit Class : MBA Star Designation : GDR3 2506255189792185728 Star Coordinates (ICRF) : RA = 02 03 36.8449, DE = -02 16 18.184 [2] Star Magnitudes : G = 13.71 mag, RP = 13.26 mag, BP = 14.0 mag Object Magnitude : V = 18.98 mag Estimated Magnitude Drop : 5.3 mag Estimated Max. Duration : 1.8 sec Object Mean Diameter : 6.4 km (src: astorb) Speed of the shadow : 3.6 km/s Elongation to Moon & Sun : 30° (sunlit = 89%), Sun = 115° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#51 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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