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2022-07-08 / HIP 80227 / (17318) 2091 T-1

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Derrick Ward O+ CCD M200 UK NTP 23:00:29 23:02:23.90 23:02:24.73 23:04:29 0.02 0.03 0.83 5.0
2 show Simon Kidd O- CCD M350 UK 23:01:13 23:03:13
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#48 : 4c669f17-6e21-4991-b223-d4500f554bbb [db: observed]

Using prediction 4c669f17-6e21-4991-b223-d4500f554bbb for map and profile fit

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Event Details
 Occultation UUID [and DB] : 4c669f17-6e21-4991-b223-d4500f554bbb [observed]

 Occultation Date + Time   : 2022-07-08 at 23:13:27 UT +/- 0.04 min  [1]
 Object Designation        : (17318) 2091 T-1
 Orbit Class               : MBA
 Star Designation          : GDR3 4358758216162768000
 Star Coordinates (ICRF)   : RA = 16 22 38.8888, DE = -02 04 47.664  [2]
 Star Magnitudes           : G = 6.22 mag, RP = 6.12 mag, BP = 6.25 mag
 Object Magnitude          : V = 18.2 mag
 Estimated Magnitude Drop  : 12.0 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Speed of the shadow       : 6.0 km/s
 Elongation to Moon & Sun  : 30° (sunlit = 70%), Sun = 134°
 Cross-track uncertainty   : 1.1 mas = 1 km = 0.26 path-width (1-sig)
 RUWE and duplicate source : 1.8 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#48

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

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