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2021-02-13 / 4UC 588-036487 / (1844) Susilva

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Roland Boninsegna O+ VID M400 BE GPS++ 22:24:23 22:25:46.44 22:25:48.68 22:27:21 0.16 0.16 2.24 13.7
2 show Jean Bourgeois O- VID M300 BE 22:25:00 22:27:00
3 show Olivier Schreurs O- VID M280 BE 22:24:38 22:26:57
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

3 observations found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#66 : 26ab7ff0-ae0d-4a63-909c-1ca8d06dabd2 [db: observed]

Using prediction 26ab7ff0-ae0d-4a63-909c-1ca8d06dabd2 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 26ab7ff0-ae0d-4a63-909c-1ca8d06dabd2 [observed]

 Occultation Date + Time   : 2021-02-13 at 22:26:21 UT +/- 0.04 min  [1]
 Object Designation        : (1844) Susilva
 Orbit Class               : MBA
 Star Designation          : GDR3 3385223339297141760
 Star Coordinates (ICRF)   : RA = 06 55 24.8452, DE = +27 27 10.456  [2]
 Star Magnitudes           : G = 14.14 mag, RP = 13.67 mag, BP = 14.45 mag
 Object Magnitude          : V = 15.87 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 3.3 sec
 Object Mean Diameter      : 20 km  (src: astorb)
 Speed of the shadow       : 6.1 km/s
 Elongation to Moon & Sun  : 112° (sunlit = 5%), Sun = 137°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.10 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#66

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

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