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2022-11-08 / 4UC 551-011004 / (1247) Memoria

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Kubanek O+ CCD M303 CZ GPS++ 02:06:59 02:09:02.60 02:09:05.46 02:11:02 0.11 0.11 2.86 33.7
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#59 (23-01-08) : c445e806-9d33-4ae6-b7eb-7561888b7a60 [db: observed]

Using prediction c445e806-9d33-4ae6-b7eb-7561888b7a60 for map and profile fit


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : c445e806-9d33-4ae6-b7eb-7561888b7a60 [observed]

 Occultation Date + Time   : 2022-11-08 at 02:11:42 UT +/- 0.04 min  [1]
 Object Designation        : (1247) Memoria
 Star Designation          : GDR3 3411565679392486400
 Star Coordinates (ICRF)   : RA = 04 50 38.0177, DE = +20 02 41.193  [2]
 Star Magnitudes           : G = 13.4 mag, RP = 12.86 mag, BP = 13.77 mag
 Object Magnitude          : V = 15.79 mag
 Estimated Magnitude Drop  : 2.5 mag
 Estimated Max. Duration   : 3.1 sec
 Object Mean Diameter      : 36 km  (src: astorb+H10)
 Speed of the shadow       : 11.8 km/s
 Elongation to Moon & Sun  : 33° (sunlit = 100%), Sun = 152°
 Cross-track uncertainty   : 5.7 mas = 10 km = 0.28 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59 (23-01-08)

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

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