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2023-09-27 / UCAC4 466-136740 / (55730) 1981 EM33

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Daniel Antuszewicz O- VID M200 PL NTP 01:25:11 01:27:11
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#42 : 16ae4ba2-0bf1-43df-899f-0768e018dc65 [db: observed]

Using prediction 16ae4ba2-0bf1-43df-899f-0768e018dc65 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 16ae4ba2-0bf1-43df-899f-0768e018dc65 [observed]

 Occultation Date + Time   : 2023-09-27 at 01:32:47 UT +/- 0.04 min  [1]
 Object Designation        : (55730) 1981 EM33
 Orbit Class               : MBA
 Star Designation          : GDR3 2661692250962004224
 Star Coordinates (ICRF)   : RA = 23 05 19.2476, DE = +03 06 39.793  [2]
 Star Magnitudes           : G = 11.94 mag, RP = 11.32 mag, BP = 12.4 mag
 Object Magnitude          : V = 17.69 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Speed of the shadow       : 9.0 km/s
 Elongation to Moon & Sun  : 22° (sunlit = 92%), Sun = 163°
 Cross-track uncertainty   : 14.3 mas = 13 km = 3.49 path-width (1-sig)
 RUWE and duplicate source : 1.43 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42

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

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