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2022-11-11 / 4UC 347-179215 / (465) Alekto

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Matthieu Conjat O+ CCD M400 FR GPS++ 17:31:50 17:33:02.84 17:33:04.64 17:33:25 0.15 0.15 1.80 55.8
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#66 (23-01-08) : 25e12315-1c8f-4dfe-86ea-102295d62aa9 [db: observed]

Using prediction 25e12315-1c8f-4dfe-86ea-102295d62aa9 for map and profile fit


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 25e12315-1c8f-4dfe-86ea-102295d62aa9 [observed]

 Occultation Date + Time   : 2022-11-11 at 17:31:25 UT +/- 0.02 min  [1]
 Object Designation        : (465) Alekto
 Star Designation          : GDR3 6868322549404294400
 Star Coordinates (ICRF)   : RA = 19 40 43.2309, DE = -20 37 29.975  [2]
 Star Magnitudes           : G = 12.76 mag, RP = 11.91 mag, BP = 13.53 mag
 Object Magnitude          : V = 15.71 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 2.4 sec
 Object Mean Diameter      : 73 km  (src: astorb+H10)
 Speed of the shadow       : 31.0 km/s
 Elongation to Moon & Sun  : 153° (sunlit = 90%), Sun = 64°
 Cross-track uncertainty   : 4.7 mas = 10 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 1.27 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#66 (23-01-08)

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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