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2023-09-21 / UCAC4 635-021689 / (32705) 2157 T-2

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Zdenek Sikac O- VID T150 CZ NTP 02:26:02 02:30:02
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#35 : 56179d7f-63e0-40df-8a22-9324f3d07ca7 [db: observed]

Using prediction 56179d7f-63e0-40df-8a22-9324f3d07ca7 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 56179d7f-63e0-40df-8a22-9324f3d07ca7 [observed]

 Occultation Date + Time   : 2023-09-21 at 02:28:31 UT +/- 0.06 min  [1]
 Object Designation        : (32705) 2157 T-2
 Orbit Class               : MBA
 Star Designation          : GDR3 0186505694952470912
 Star Coordinates (ICRF)   : RA = 05 06 29.9088, DE = +36 57 14.477  [2]
 Star Magnitudes           : G = 13.29 mag, RP = 12.72 mag, BP = 13.69 mag
 Object Magnitude          : V = 19.23 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Speed of the shadow       : 14.9 km/s
 Elongation to Moon & Sun  : 164° (sunlit = 32%), Sun = 99°
 Cross-track uncertainty   : 5.3 mas = 9 km = 1.75 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35

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

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