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2023-10-15 / UCAC4 309-262061 / (174898) 2004 BL111

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Kubanek O- VID M303 CZ GPS 18:34:00 18:37:00
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#23 : f3031067-7e5f-4f23-8918-bd2ea9ab9743 [db: observed]

Using prediction f3031067-7e5f-4f23-8918-bd2ea9ab9743 for map and profile fit

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Event Details
 Occultation UUID [and DB] : f3031067-7e5f-4f23-8918-bd2ea9ab9743 [observed]

 Occultation Date + Time   : 2023-10-15 at 18:24:53 UT +/- 0.16 min  [1]
 Object Designation        : (174898) 2004 BL111
 Orbit Class               : MBA
 Star Designation          : GDR3 6789622397601759232
 Star Coordinates (ICRF)   : RA = 21 21 28.3136, DE = -28 15 32.426  [2]
 Star Magnitudes           : G = 11.22 mag, RP = 10.53 mag, BP = 11.76 mag
 Object Magnitude          : V = 21.0 mag
 Estimated Magnitude Drop  : 9.8 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 2 km  (src: astorb)
 Speed of the shadow       : 5.1 km/s
 Elongation to Moon & Sun  : 100° (sunlit = 1%), Sun = 111°
 Cross-track uncertainty   : 18.3 mas = 30 km = 13.95 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#23

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

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