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2016-12-22 / 4UC 538-044402 / (206) Hersilia

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Malcolm Jennings O- VID M276 UK 20:40:00 20:49:00
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#124 : 0dd31d7d-33ed-43d2-ba51-b1ca4b9cb89b [db: observed]

Using prediction 0dd31d7d-33ed-43d2-ba51-b1ca4b9cb89b for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 0dd31d7d-33ed-43d2-ba51-b1ca4b9cb89b [observed]

 Occultation Date + Time   : 2016-12-22 at 20:37:18 UT +/- 0.0 min  [1]
 Object Designation        : (206) Hersilia
 Orbit Class               : MBA
 Star Designation          : GDR3 0668119138268120448
 Star Coordinates (ICRF)   : RA = 07 48 39.7361, DE = +17 25 58.178  [2]
 Star Magnitudes           : G = 12.2 mag, RP = 11.57 mag, BP = 12.66 mag
 Object Magnitude          : V = 12.87 mag
 Estimated Magnitude Drop  : 1.1 mag
 Estimated Max. Duration   : 6.0 sec
 Object Mean Diameter      : 55 km  (src: astorb)
 Speed of the shadow       : 9.2 km/s
 Elongation to Moon & Sun  : 85° (sunlit = 33%), Sun = 155°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#124

 Object is a Gaia mass determination target !
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0

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