Cora»Occultation

2023-06-07 / UCAC4 288-095252 / (2753) Duncan

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Sotirios Tsavdaridis, A. Siakas	O+	CCD	T279	CY	GPS	22:53:16	22:53:56.333	22:53:57.165	22:55:16	0.085	0.085	0.83	9.9

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#72 : a83fbfc0-ddb3-11f0-547e-80855bff13c3 [db: observed]

Using prediction a83fbfc0-ddb3-11f0-547e-80855bff13c3 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : a83fbfc0-ddb3-11f0-547e-80855bff13c3 [observed] Occultation Date + Time : 2023-06-07 at 22:55:28 UT +/- 0.0 min [1] Object Designation : (2753) Duncan Orbit Class : MBA Star Designation : GDR3 6025260674402972288 Star Coordinates (ICRF) : RA = 16 30 18.7503, DE = -32 31 31.998 [2] Star Magnitudes : G = 13.14 mag, RP = 12.07 mag, BP = 14.33 mag Object Magnitude : V = 16.55 mag Estimated Magnitude Drop : 3.5 mag Estimated Max. Duration : 1.5 sec Object Mean Diameter : 17.9 km (src: astorb) Speed of the shadow : 11.9 km/s Elongation to Moon & Sun : 57° (sunlit = 81%), Sun = 168° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.28 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : a83fbfc0-ddb3-11f0-547e-80855bff13c3 [observed] Occultation Date + Time : 2023-06-07 at 22:55:28 UT +/- 0.0 min [1] Object Designation : (2753) Duncan Orbit Class : MBA Star Designation : GDR3 6025260674402972288 Star Coordinates (ICRF) : RA = 16 30 18.7503, DE = -32 31 31.998 [2] Star Magnitudes : G = 13.14 mag, RP = 12.07 mag, BP = 14.33 mag Object Magnitude : V = 16.55 mag Estimated Magnitude Drop : 3.5 mag Estimated Max. Duration : 1.5 sec Object Mean Diameter : 17.9 km (src: astorb) Speed of the shadow : 11.9 km/s Elongation to Moon & Sun : 57° (sunlit = 81%), Sun = 168° Cross-track uncertainty : 0.3 mas = 0 km = 0.02 path-width (1-sig) RUWE and duplicate source : 1.28 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#72 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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