Cora»Occultation

2023-12-23 / UCAC4 528-036735 / (437296) 2013 BK40

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Deborah Smith	O-	CCD	M200	ES	NTP	23:12:10			23:16:10

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

1 observation found in db: sodis

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

JPL#34 : 4c9859b0-ddb4-11f0-547e-646b76af29c0 [db: observed]

Using prediction 4c9859b0-ddb4-11f0-547e-646b76af29c0 for map and profile fit

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Event Details
Occultation UUID [and DB] : 4c9859b0-ddb4-11f0-547e-646b76af29c0 [observed] Occultation Date + Time : 2023-12-23 at 23:11:28 UT +/- 0.08 min [1] Object Designation : (437296) 2013 BK40 Orbit Class : JTRO Star Designation : GDR3 3354786486620386944 Star Coordinates (ICRF) : RA = 06 59 15.6992, DE = +15 27 59.470 [2] Star Magnitudes : G = 11.19 mag, RP = 10.51 mag, BP = 11.72 mag Object Magnitude : V = 20.74 mag Estimated Magnitude Drop : 9.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 5.3 km (src: astorb) Speed of the shadow : 15.8 km/s Elongation to Moon & Sun : 50° (sunlit = 90%), Sun = 166° Cross-track uncertainty : 25.7 mas = 72 km = 13.75 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 4c9859b0-ddb4-11f0-547e-646b76af29c0 [observed] Occultation Date + Time : 2023-12-23 at 23:11:28 UT +/- 0.08 min [1] Object Designation : (437296) 2013 BK40 Orbit Class : JTRO Star Designation : GDR3 3354786486620386944 Star Coordinates (ICRF) : RA = 06 59 15.6992, DE = +15 27 59.470 [2] Star Magnitudes : G = 11.19 mag, RP = 10.51 mag, BP = 11.72 mag Object Magnitude : V = 20.74 mag Estimated Magnitude Drop : 9.6 mag Estimated Max. Duration : 0.3 sec Object Mean Diameter : 5.3 km (src: astorb) Speed of the shadow : 15.8 km/s Elongation to Moon & Sun : 50° (sunlit = 90%), Sun = 166° Cross-track uncertainty : 25.7 mas = 72 km = 13.75 path-width (1-sig) RUWE and duplicate source : 0.84 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#34 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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