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2023-12-22 / TYC 1875-00347-1 / (296690) 2009 SM245

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Deborah Smith O- CCD M235 ES NTP 02:35:56 02:39:29
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#19 : 87f7dcae-575e-4684-9cf9-46cd3b0ddd62 [db: observed]

Using prediction 87f7dcae-575e-4684-9cf9-46cd3b0ddd62 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 87f7dcae-575e-4684-9cf9-46cd3b0ddd62 [observed]

 Occultation Date + Time   : 2023-12-22 at 02:41:21 UT +/- 0.13 min  [1]
 Object Designation        : (296690) 2009 SM245
 Orbit Class               : JTRO
 Star Designation          : GDR3 3443672754657571840
 Star Coordinates (ICRF)   : RA = 05 54 47.8611, DE = +29 25 44.882  [2]
 Star Magnitudes           : G = 11.86 mag, RP = 11.34 mag, BP = 12.21 mag
 Object Magnitude          : V = 19.99 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 7 km  (src: astorb)
 Speed of the shadow       : 16.0 km/s
 Elongation to Moon & Sun  : 59° (sunlit = 75%), Sun = 174°
 Cross-track uncertainty   : 29.3 mas = 78 km = 12.10 path-width (1-sig)
 RUWE and duplicate source : 2.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#19

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

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