Cora»Occultation

2023-04-30 / TYC 0191-00661-1 / (38439) 1999 SQ4

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Jiri Kubanek	O-	VID	M200	CZ	GPS	21:36:09			21:40:12

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#58 : 94504b60-ddb3-11f0-547e-7e3bfb955a54 [db: observed]

Using prediction 94504b60-ddb3-11f0-547e-7e3bfb955a54 for map and profile fit

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Event Details
Occultation UUID [and DB] : 94504b60-ddb3-11f0-547e-7e3bfb955a54 [observed] Occultation Date + Time : 2023-04-30 at 21:34:50 UT +/- 0.0 min [1] Object Designation : (38439) 1999 SQ4 Orbit Class : MBA Star Designation : GDR3 3145025815799736064 Star Coordinates (ICRF) : RA = 07 43 55.5239, DE = +07 13 11.116 [2] Star Magnitudes : G = 9.45 mag, RP = 8.51 mag, BP = 10.35 mag Object Magnitude : V = 19.39 mag Estimated Magnitude Drop : 10.0 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 7.0 km (src: astorb) Speed of the shadow : 23.5 km/s Elongation to Moon & Sun : 50° (sunlit = 77%), Sun = 77° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 94504b60-ddb3-11f0-547e-7e3bfb955a54 [observed] Occultation Date + Time : 2023-04-30 at 21:34:50 UT +/- 0.0 min [1] Object Designation : (38439) 1999 SQ4 Orbit Class : MBA Star Designation : GDR3 3145025815799736064 Star Coordinates (ICRF) : RA = 07 43 55.5239, DE = +07 13 11.116 [2] Star Magnitudes : G = 9.45 mag, RP = 8.51 mag, BP = 10.35 mag Object Magnitude : V = 19.39 mag Estimated Magnitude Drop : 10.0 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 7.0 km (src: astorb) Speed of the shadow : 23.5 km/s Elongation to Moon & Sun : 50° (sunlit = 77%), Sun = 77° Cross-track uncertainty : 0.3 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.93 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#58 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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