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2025-03-16 / UCAC4 504-020076 / (5105) Westerhout

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jiri Polak O- VID M300 CZ GPS 22:40:10 22:44:10
2 show Serge Vasseur O- VID M400 FR GPS 22:39:02 22:44:01
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#62 : d76dc170-8a17-11ef-78cd-08447faeffbd [db: asteroids]

Using prediction d76dc170-8a17-11ef-78cd-08447faeffbd for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : d76dc170-8a17-11ef-78cd-08447faeffbd [asteroids]

 Occultation Date + Time   : 2025-03-16 at 22:37:15 UT +/- 0.0 min  [1]
 Object Designation        : (5105) Westerhout
 Orbit Class               : MBA
 Star Designation          : GDR3 3330207728815561088
 Star Coordinates (ICRF)   : RA = 06 06 57.2503, DE = +10 41 31.277  [2]
 Star Magnitudes           : G = 12.93 mag, RP = 12.33 mag, BP = 13.36 mag
 Object Magnitude          : V = 16.88 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 13.6 km  (src: astorb)
 Speed of the shadow       : 16.2 km/s
 Elongation to Moon & Sun  : 113° (sunlit = 94%), Sun = 95°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.48 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62

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

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