Cora»Occultation

2023-05-28 / UCAC4 392-063557 / (351) Yrsa

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Arnaud Leroy	O-	VID	M250	FR	GPS	23:25:20			23:28:20

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#80 : 9f52bed0-ddb3-11f0-547e-7989e373bdce [db: observed]

Using prediction 9f52bed0-ddb3-11f0-547e-7989e373bdce for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 9f52bed0-ddb3-11f0-547e-7989e373bdce [observed] Occultation Date + Time : 2023-05-28 at 23:26:59 UT +/- 0.0 min [1] Object Designation : (351) Yrsa Orbit Class : MBA Star Designation : GDR3 4345985395743621120 Star Coordinates (ICRF) : RA = 15 57 31.3634, DE = -11 43 00.963 [2] Star Magnitudes : G = 14.57 mag, RP = 13.95 mag, BP = 15.02 mag Object Magnitude : V = 13.16 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 3.2 sec Object Mean Diameter : 39.6 km (src: astorb) Speed of the shadow : 12.4 km/s Elongation to Moon & Sun : 67° (sunlit = 63%), Sun = 169° Cross-track uncertainty : 1.0 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 9f52bed0-ddb3-11f0-547e-7989e373bdce [observed] Occultation Date + Time : 2023-05-28 at 23:26:59 UT +/- 0.0 min [1] Object Designation : (351) Yrsa Orbit Class : MBA Star Designation : GDR3 4345985395743621120 Star Coordinates (ICRF) : RA = 15 57 31.3634, DE = -11 43 00.963 [2] Star Magnitudes : G = 14.57 mag, RP = 13.95 mag, BP = 15.02 mag Object Magnitude : V = 13.16 mag Estimated Magnitude Drop : 0.3 mag Estimated Max. Duration : 3.2 sec Object Mean Diameter : 39.6 km (src: astorb) Speed of the shadow : 12.4 km/s Elongation to Moon & Sun : 67° (sunlit = 63%), Sun = 169° Cross-track uncertainty : 1.0 mas = 1 km = 0.03 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#80 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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