Cora»Occultation

2023-10-11 / UCAC4 479-002741 / (16622) 1993 GG1

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT4
1	show	Jiri Polak	O-	VID	M300	CZ	GPS	03:05:29	03:09:29
2	show	Michal Rottenborn	O-	VID	M254	CZ	GPS	03:05:28	03:09:28
3	show	Jiri Kubanek	O-	VID	M303	CZ	GPS	03:05:56	03:08:56

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

3 observations found in db: sodis

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

JPL#54 : 294a1ca0-ddb4-11f0-547e-3ae03d3f6da6 [db: observed]

Using prediction 294a1ca0-ddb4-11f0-547e-3ae03d3f6da6 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 294a1ca0-ddb4-11f0-547e-3ae03d3f6da6 [observed] Occultation Date + Time : 2023-10-11 at 03:12:42 UT +/- 0.0 min [1] Object Designation : (16622) 1993 GG1 Orbit Class : MBA Star Designation : GDR3 2519173489345634688 Star Coordinates (ICRF) : RA = 01 58 16.9916, DE = +05 37 33.908 [2] Star Magnitudes : G = 11.42 mag, RP = 11.09 mag, BP = 11.62 mag Object Magnitude : V = 18.2 mag Estimated Magnitude Drop : 6.8 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 7.6 km (src: astorb) Speed of the shadow : 13.9 km/s Elongation to Moon & Sun : 128° (sunlit = 12%), Sun = 167° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 294a1ca0-ddb4-11f0-547e-3ae03d3f6da6 [observed] Occultation Date + Time : 2023-10-11 at 03:12:42 UT +/- 0.0 min [1] Object Designation : (16622) 1993 GG1 Orbit Class : MBA Star Designation : GDR3 2519173489345634688 Star Coordinates (ICRF) : RA = 01 58 16.9916, DE = +05 37 33.908 [2] Star Magnitudes : G = 11.42 mag, RP = 11.09 mag, BP = 11.62 mag Object Magnitude : V = 18.2 mag Estimated Magnitude Drop : 6.8 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 7.6 km (src: astorb) Speed of the shadow : 13.9 km/s Elongation to Moon & Sun : 128° (sunlit = 12%), Sun = 167° Cross-track uncertainty : 0.3 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.08 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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