Cora»Occultation

2024-10-10 / UCAC4 581-009620 / (465) Alekto

#	OBS	Observer	Occ	Meth.	Instr.	CC	TSRC	UT1	UT2	UT3	UT4	UT2E	UT3E	Dur.	Chrd
1	show	Anna Marciniak	O-	CCD	M350	PL	GPS	21:48:47			21:53:10

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#87 : 7fa98300-ddb5-11f0-547e-70e17fff2a41 [db: observed]

Using prediction 7fa98300-ddb5-11f0-547e-70e17fff2a41 for map and profile fit

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Map with groundtrack and observer stations

Event Details
Occultation UUID [and DB] : 7fa98300-ddb5-11f0-547e-70e17fff2a41 [observed] Occultation Date + Time : 2024-10-10 at 21:43:59 UT +/- 0.01 min [1] Object Designation : (465) Alekto Orbit Class : MBA Star Designation : GDR3 0067229982078184960 Star Coordinates (ICRF) : RA = 03 57 23.1304, DE = +26 01 44.525 [2] Star Magnitudes : G = 13.77 mag, RP = 13.07 mag, BP = 14.31 mag Object Magnitude : V = 15.75 mag Estimated Magnitude Drop : 2.2 mag Estimated Max. Duration : 9.2 sec Object Mean Diameter : 73.3 km (src: astorb) Speed of the shadow : 8.0 km/s Elongation to Moon & Sun : 133° (sunlit = 51%), Sun = 135° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#87 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

Event Details

Occultation UUID [and DB] : 7fa98300-ddb5-11f0-547e-70e17fff2a41 [observed] Occultation Date + Time : 2024-10-10 at 21:43:59 UT +/- 0.01 min [1] Object Designation : (465) Alekto Orbit Class : MBA Star Designation : GDR3 0067229982078184960 Star Coordinates (ICRF) : RA = 03 57 23.1304, DE = +26 01 44.525 [2] Star Magnitudes : G = 13.77 mag, RP = 13.07 mag, BP = 14.31 mag Object Magnitude : V = 15.75 mag Estimated Magnitude Drop : 2.2 mag Estimated Max. Duration : 9.2 sec Object Mean Diameter : 73.3 km (src: astorb) Speed of the shadow : 8.0 km/s Elongation to Moon & Sun : 133° (sunlit = 51%), Sun = 135° Cross-track uncertainty : 0.3 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.1 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#87 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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