Cora»Occultation

2024-08-10 / UCAC4 387-083311 / (40709) 1999 RW242

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Zdenek Sikac	O-	VID	T150	CZ	NTP	22:46:01			22:50:00
2	show	Jiri Polak	O-	VID	M300	CZ	GPS	22:46:10			22:50:10

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

2 observations found in db: sodis

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

JPL#55 : 372758f0-ddb5-11f0-547e-2141ff5642a1 [db: observed]

Using prediction 372758f0-ddb5-11f0-547e-2141ff5642a1 for map and profile fit

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Event Details
Occultation UUID [and DB] : 372758f0-ddb5-11f0-547e-2141ff5642a1 [observed] Occultation Date + Time : 2024-08-10 at 23:01:56 UT +/- 0.02 min [1] Object Designation : (40709) 1999 RW242 Orbit Class : MBA Star Designation : GDR3 4161934566664642176 Star Coordinates (ICRF) : RA = 17 45 00.1446, DE = -12 41 50.249 [2] Star Magnitudes : G = 12.18 mag, RP = 11.29 mag, BP = 13.0 mag Object Magnitude : V = 19.11 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 5.2 km (src: astorb) Speed of the shadow : 7.4 km/s Elongation to Moon & Sun : 57° (sunlit = 34%), Sun = 127° Cross-track uncertainty : 0.4 mas = 0 km = 0.13 path-width (1-sig) RUWE and duplicate source : 3.41 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 372758f0-ddb5-11f0-547e-2141ff5642a1 [observed] Occultation Date + Time : 2024-08-10 at 23:01:56 UT +/- 0.02 min [1] Object Designation : (40709) 1999 RW242 Orbit Class : MBA Star Designation : GDR3 4161934566664642176 Star Coordinates (ICRF) : RA = 17 45 00.1446, DE = -12 41 50.249 [2] Star Magnitudes : G = 12.18 mag, RP = 11.29 mag, BP = 13.0 mag Object Magnitude : V = 19.11 mag Estimated Magnitude Drop : 6.9 mag Estimated Max. Duration : 0.7 sec Object Mean Diameter : 5.2 km (src: astorb) Speed of the shadow : 7.4 km/s Elongation to Moon & Sun : 57° (sunlit = 34%), Sun = 127° Cross-track uncertainty : 0.4 mas = 0 km = 0.13 path-width (1-sig) RUWE and duplicate source : 3.41 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#55 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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