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2022-08-10 / 4UC 413-093734 / (4934) Rhoneranger

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show William Stewart O+ VID M279 UK GPS++ 22:16:07 22:17:06.98 22:17:08.88 22:18:09 0.08 0.06 1.90 13.7
2 show Alex Pratt O- VID M279 UK 22:16:24 22:17:31
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#54 : ea10d0aa-d632-478b-a0e0-21c15a52361a [db: observed]

Using prediction ea10d0aa-d632-478b-a0e0-21c15a52361a for map and profile fit

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Event Details
 Occultation UUID [and DB] : ea10d0aa-d632-478b-a0e0-21c15a52361a [observed]

 Occultation Date + Time   : 2022-08-10 at 22:26:56 UT +/- 0.05 min  [1]
 Object Designation        : (4934) Rhoneranger
 Orbit Class               : MBA
 Star Designation          : GDR3 4251888396066241920
 Star Coordinates (ICRF)   : RA = 18 46 04.6956, DE = -07 34 05.800  [2]
 Star Magnitudes           : G = 12.28 mag, RP = 11.94 mag, BP = 12.47 mag
 Object Magnitude          : V = 16.88 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 1.5 sec
 Object Mean Diameter      : 11 km  (src: astorb)
 Speed of the shadow       : 7.2 km/s
 Elongation to Moon & Sun  : 29° (sunlit = 98%), Sun = 141°
 Cross-track uncertainty   : 2.0 mas = 2 km = 0.26 path-width (1-sig)
 RUWE and duplicate source : 0.84 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54

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

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