Cora»Occultation

2023-08-23 / UCAC4 356-191980 / (6421) 1993 XS1

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O-	VID	M200	CZ	GPS	21:07:06			21:11:01

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 : f75c4830-ddb3-11f0-547e-f4c57d9e40d5 [db: observed]

Using prediction f75c4830-ddb3-11f0-547e-f4c57d9e40d5 for map and profile fit

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Event Details
Occultation UUID [and DB] : f75c4830-ddb3-11f0-547e-f4c57d9e40d5 [observed] Occultation Date + Time : 2023-08-23 at 21:16:14 UT +/- 0.0 min [1] Object Designation : (6421) 1993 XS1 Orbit Class : MBA Star Designation : GDR3 6867368280689042176 Star Coordinates (ICRF) : RA = 19 57 33.7084, DE = -18 51 22.836 [2] Star Magnitudes : G = 11.14 mag, RP = 10.57 mag, BP = 11.53 mag Object Magnitude : V = 17.02 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 1.0 sec Object Mean Diameter : 7.3 km (src: astorb) Speed of the shadow : 7.4 km/s Elongation to Moon & Sun : 64° (sunlit = 45%), Sun = 147° Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.36 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] : f75c4830-ddb3-11f0-547e-f4c57d9e40d5 [observed] Occultation Date + Time : 2023-08-23 at 21:16:14 UT +/- 0.0 min [1] Object Designation : (6421) 1993 XS1 Orbit Class : MBA Star Designation : GDR3 6867368280689042176 Star Coordinates (ICRF) : RA = 19 57 33.7084, DE = -18 51 22.836 [2] Star Magnitudes : G = 11.14 mag, RP = 10.57 mag, BP = 11.53 mag Object Magnitude : V = 17.02 mag Estimated Magnitude Drop : 5.9 mag Estimated Max. Duration : 1.0 sec Object Mean Diameter : 7.3 km (src: astorb) Speed of the shadow : 7.4 km/s Elongation to Moon & Sun : 64° (sunlit = 45%), Sun = 147° Cross-track uncertainty : 0.3 mas = 0 km = 0.05 path-width (1-sig) RUWE and duplicate source : 1.36 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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