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2023-09-20 / UCAC4 537-114732 / (523700) 2014 GM54

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Peter Delincak O- VID M400 SK NTP 18:35:59 18:48:08
2 show Zdenek Sikac O- VID T150 CZ NTP 18:30:03 18:54:00
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

2 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#10 : 0eb4ff40-ddb4-11f0-547e-f0a6ff499a19 [db: observed]

Using prediction 0eb4ff40-ddb4-11f0-547e-f0a6ff499a19 for map and profile fit

Get observations as KML file (reduced site location resolution)


Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 0eb4ff40-ddb4-11f0-547e-f0a6ff499a19 [observed]

 Occultation Date + Time   : 2023-09-20 at 18:44:13 UT +/- 2.07 min  [1]
 Object Designation        : (523700) 2014 GM54
 Orbit Class               : TNO
 Star Designation          : GDR3 1820460375639980416
 Star Coordinates (ICRF)   : RA = 19 57 33.1374, DE = +17 15 19.669  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 12.88 mag, BP = 14.38 mag
 Object Magnitude          : V = 21.84 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 5.6 sec
 Object Mean Diameter      : 126.9 km  (src: astorb)
 Speed of the shadow       : 22.8 km/s
 Elongation to Moon & Sun  : 71° (sunlit = 29%), Sun = 120°
 Cross-track uncertainty   : 42.3 mas = 848 km = 6.69 path-width (1-sig)
 RUWE and duplicate source : 1.26 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#10
 Note                      : FP:true

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

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