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2024-07-20 / UCAC4 358-176715 / (21237) Suematsu

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Antoni Selva, Carlos Perello O+ VID M500 ES GPS 20:33:49 20:35:48.430 20:35:48.680 20:37:50 0.05 0.05 0.25 3.1
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#62 : 0aea6d40-ddb5-11f0-547e-dd1cbf5cce20 [db: observed]

Using prediction 0aea6d40-ddb5-11f0-547e-dd1cbf5cce20 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 0aea6d40-ddb5-11f0-547e-dd1cbf5cce20 [observed]

 Occultation Date + Time   : 2024-07-20 at 20:33:47 UT +/- 0.01 min  [1]
 Object Designation        : (21237) Suematsu
 Orbit Class               : MBA
 Star Designation          : GDR3 4086747973025074816
 Star Coordinates (ICRF)   : RA = 18 54 33.9765, DE = -18 29 23.404  [2]
 Star Magnitudes           : G = 12.91 mag, RP = 12.13 mag, BP = 13.55 mag
 Object Magnitude          : V = 18.43 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 5.1 km  (src: astorb)
 Speed of the shadow       : 12.5 km/s
 Elongation to Moon & Sun  : 12° (sunlit = 100%), Sun = 164°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 1.03 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62
 Note                      : FP:true

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

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