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2022-06-25 / 4UC 501-124868 / (165838) 2001 RA143

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Peter Tickner O+ CCD M356 UK GPS+ 23:30:55 23:32:54.06 23:32:54.45 23:34:58 0.10 0.10 0.39 3.8
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: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#30 : 8fd3c907-2a8e-4519-89eb-71383acacefa [db: observed]

Using prediction 8fd3c907-2a8e-4519-89eb-71383acacefa for map and profile fit

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Event Details
 Occultation UUID [and DB] : 8fd3c907-2a8e-4519-89eb-71383acacefa [observed]

 Occultation Date + Time   : 2022-06-25 at 23:26:40 UT +/- 0.05 min  [1]
 Object Designation        : (165838) 2001 RA143
 Orbit Class               : MBA
 Star Designation          : GDR3 4300291784139470208
 Star Coordinates (ICRF)   : RA = 19 58 39.1978, DE = +10 11 08.326  [2]
 Star Magnitudes           : G = 13.88 mag, RP = 13.04 mag, BP = 14.64 mag
 Object Magnitude          : V = 19.64 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 4 km  (src: astorb)
 Speed of the shadow       : 9.7 km/s
 Elongation to Moon & Sun  : 112° (sunlit = 9%), Sun = 139°
 Cross-track uncertainty   : 4.0 mas = 6 km = 1.70 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#30

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

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