Cora»Occultation

2024-08-11 / UCAC4 452-087874 / (43815) 1991 VD4

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Stefano Sposetti	O-	VID	M420	CH	GPS	20:47:30			20:53:30

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

1 observation found in db: sodis

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

JPL#63 : 3cafab10-ddb5-11f0-547e-007baf3f96c8 [db: observed]

Using prediction 3cafab10-ddb5-11f0-547e-007baf3f96c8 for map and profile fit

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Event Details
Occultation UUID [and DB] : 3cafab10-ddb5-11f0-547e-007baf3f96c8 [observed] Occultation Date + Time : 2024-08-11 at 20:50:33 UT +/- 0.0 min [1] Object Designation : (43815) 1991 VD4 Orbit Class : MBA Star Designation : GDR3 4264169081960674048 Star Coordinates (ICRF) : RA = 19 08 46.1743, DE = +00 13 35.902 [2] Star Magnitudes : G = 14.64 mag, RP = 13.7 mag, BP = 15.54 mag Object Magnitude : V = 17.23 mag Estimated Magnitude Drop : 2.7 mag Estimated Max. Duration : 1.2 sec Object Mean Diameter : 13.7 km (src: astorb) Speed of the shadow : 11.6 km/s Elongation to Moon & Sun : 71° (sunlit = 43%), Sun = 142° Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 3cafab10-ddb5-11f0-547e-007baf3f96c8 [observed] Occultation Date + Time : 2024-08-11 at 20:50:33 UT +/- 0.0 min [1] Object Designation : (43815) 1991 VD4 Orbit Class : MBA Star Designation : GDR3 4264169081960674048 Star Coordinates (ICRF) : RA = 19 08 46.1743, DE = +00 13 35.902 [2] Star Magnitudes : G = 14.64 mag, RP = 13.7 mag, BP = 15.54 mag Object Magnitude : V = 17.23 mag Estimated Magnitude Drop : 2.7 mag Estimated Max. Duration : 1.2 sec Object Mean Diameter : 13.7 km (src: astorb) Speed of the shadow : 11.6 km/s Elongation to Moon & Sun : 71° (sunlit = 43%), Sun = 142° Cross-track uncertainty : 0.4 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.04 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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