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2023-10-10 / UCAC4 511-037880 / (21587) Christopynn

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O+ VID M420 CH GPS 00:10:00 0:12:27.24 0:12:28.59 00:15:00 0.15 0.15 1.35 23.9
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#53 : e2f879df-b99d-4813-b730-71d0cd4df4e5 [db: observed]

Using prediction e2f879df-b99d-4813-b730-71d0cd4df4e5 for map and profile fit

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Event Details
 Occultation UUID [and DB] : e2f879df-b99d-4813-b730-71d0cd4df4e5 [observed]

 Occultation Date + Time   : 2023-10-10 at 00:18:00 UT +/- 0.02 min  [1]
 Object Designation        : (21587) Christopynn
 Orbit Class               : MBA
 Star Designation          : GDR3 3160045930611955328
 Star Coordinates (ICRF)   : RA = 07 16 51.8947, DE = +12 09 39.555  [2]
 Star Magnitudes           : G = 12.52 mag, RP = 11.8 mag, BP = 13.08 mag
 Object Magnitude          : V = 18.38 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 10 km  (src: astorb)
 Speed of the shadow       : 17.7 km/s
 Elongation to Moon & Sun  : 38° (sunlit = 19%), Sun = 87°
 Cross-track uncertainty   : 2.0 mas = 4 km = 0.42 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#53

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

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