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2019-04-12 / 4UC 484-051174 / (19810) Partridge

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Alex Pratt O+ VID M279 UK GPS++ 22:06:52 22:07:16.83 22:07:17.79 22:07:39 0.04 0.04 0.96 8.5
2 show Jan-Maarten Winkel O- VID M310 NL 22:05:10 22:07:10
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#41 : f9c1b235-a4ff-4853-ac49-2b8baa01c62e [db: observed]

Using prediction f9c1b235-a4ff-4853-ac49-2b8baa01c62e for map and profile fit

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Event Details
 Occultation UUID [and DB] : f9c1b235-a4ff-4853-ac49-2b8baa01c62e [observed]

 Occultation Date + Time   : 2019-04-12 at 22:05:54 UT +/- 0.05 min  [1]
 Object Designation        : (19810) Partridge
 Orbit Class               : MBA
 Star Designation          : GDR3 3814471987288533888
 Star Coordinates (ICRF)   : RA = 11 27 59.6961, DE = +06 40 19.938  [2]
 Star Magnitudes           : G = 12.1 mag, RP = 11.38 mag, BP = 12.68 mag
 Object Magnitude          : V = 18.74 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 6 km  (src: astorb)
 Speed of the shadow       : 8.9 km/s
 Elongation to Moon & Sun  : 56° (sunlit = 52%), Sun = 147°
 Cross-track uncertainty   : 9.3 mas = 14 km = 2.67 path-width (1-sig)
 RUWE and duplicate source : 1.16 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#41

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

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