Cora»Occultation

2023-05-24 / UCAC4 399-062076 / (3784) Chopin

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	23:14:16			23:18:19
2	show	Jan Manek	O-	VID	M355	CZ	GPS	23:14:39			23:17:40

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#75 : a7c0cbc0-ddb3-11f0-547e-b27077f702fd [db: observed]

Using prediction a7c0cbc0-ddb3-11f0-547e-b27077f702fd for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : a7c0cbc0-ddb3-11f0-547e-b27077f702fd [observed] Occultation Date + Time : 2023-05-24 at 23:17:33 UT +/- 0.0 min [1] Object Designation : (3784) Chopin Orbit Class : MBA Star Designation : GDR3 4344198036511310080 Star Coordinates (ICRF) : RA = 16 19 16.4363, DE = -10 16 46.139 [2] Star Magnitudes : G = 11.47 mag, RP = 10.56 mag, BP = 12.34 mag Object Magnitude : V = 15.27 mag Estimated Magnitude Drop : 3.8 mag Estimated Max. Duration : 2.5 sec Object Mean Diameter : 28.5 km (src: astorb) Speed of the shadow : 11.3 km/s Elongation to Moon & Sun : 119° (sunlit = 26%), Sun = 169° Cross-track uncertainty : 0.7 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.36 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#75 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : a7c0cbc0-ddb3-11f0-547e-b27077f702fd [observed] Occultation Date + Time : 2023-05-24 at 23:17:33 UT +/- 0.0 min [1] Object Designation : (3784) Chopin Orbit Class : MBA Star Designation : GDR3 4344198036511310080 Star Coordinates (ICRF) : RA = 16 19 16.4363, DE = -10 16 46.139 [2] Star Magnitudes : G = 11.47 mag, RP = 10.56 mag, BP = 12.34 mag Object Magnitude : V = 15.27 mag Estimated Magnitude Drop : 3.8 mag Estimated Max. Duration : 2.5 sec Object Mean Diameter : 28.5 km (src: astorb) Speed of the shadow : 11.3 km/s Elongation to Moon & Sun : 119° (sunlit = 26%), Sun = 169° Cross-track uncertainty : 0.7 mas = 0 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.36 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#75 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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