Cora»Occultation

2023-09-15 / UCAC4 372-178878 / (46339) 2001 RU81

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Daniel Antuszewicz	O-	VID	M200	PL	NTP	18:44:51			18:46:50

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#49 : 097a7f00-ddb4-11f0-547e-2628cf336a43 [db: observed]

Using prediction 097a7f00-ddb4-11f0-547e-2628cf336a43 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 097a7f00-ddb4-11f0-547e-2628cf336a43 [observed] Occultation Date + Time : 2023-09-15 at 18:42:36 UT +/- 0.0 min [1] Object Designation : (46339) 2001 RU81 Orbit Class : MBA Star Designation : GDR3 6839138697599790336 Star Coordinates (ICRF) : RA = 21 56 18.0544, DE = -15 39 14.192 [2] Star Magnitudes : G = 11.64 mag, RP = 10.97 mag, BP = 12.17 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 4.5 km (src: astorb) Speed of the shadow : 7.3 km/s Elongation to Moon & Sun : 145° (sunlit = 0%), Sun = 153° Cross-track uncertainty : 0.7 mas = 0 km = 0.18 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 097a7f00-ddb4-11f0-547e-2628cf336a43 [observed] Occultation Date + Time : 2023-09-15 at 18:42:36 UT +/- 0.0 min [1] Object Designation : (46339) 2001 RU81 Orbit Class : MBA Star Designation : GDR3 6839138697599790336 Star Coordinates (ICRF) : RA = 21 56 18.0544, DE = -15 39 14.192 [2] Star Magnitudes : G = 11.64 mag, RP = 10.97 mag, BP = 12.17 mag Object Magnitude : V = 18.02 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 0.6 sec Object Mean Diameter : 4.5 km (src: astorb) Speed of the shadow : 7.3 km/s Elongation to Moon & Sun : 145° (sunlit = 0%), Sun = 153° Cross-track uncertainty : 0.7 mas = 0 km = 0.18 path-width (1-sig) RUWE and duplicate source : 1.16 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#49 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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