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2023-08-21 / UCAC4 381-148073 / (821) Fanny

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Ferran Casarramona O- VID M200 ES GPS 20:29:02 20:33:02
2 show Oscar Canales O- VID M200 ES GPS 20:27:29 20:31:29
3 show Lionel Rousselot O- VID M250 FR GPS 20:26:00 20:28:00
4 show Roland BONINSEGNA O- VID M400 BE GPS 20:24:18 20:27:17
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

4 observations found in db: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#63 : b6e58078-fbe3-441d-b303-e1c27d7a9796 [db: observed]
JPL#63 : 82847f25-ef85-4a13-85fa-8d525d0afc2a [db: observed]

Using prediction b6e58078-fbe3-441d-b303-e1c27d7a9796 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : b6e58078-fbe3-441d-b303-e1c27d7a9796 [observed]

 Occultation Date + Time   : 2023-08-21 at 20:49:21 UT +/- 0.2 min  [1]
 Object Designation        : (821) Fanny
 Orbit Class               : MBA
 Star Designation          : GDR3 4185441339302061440
 Star Coordinates (ICRF)   : RA = 19 15 07.9156, DE = -13 51 04.676  [2]
 Star Magnitudes           : G = 13.58 mag, RP = 12.77 mag, BP = 14.3 mag
 Object Magnitude          : V = 15.62 mag
 Estimated Magnitude Drop  : 2.2 mag
 Estimated Max. Duration   : 4.6 sec
 Object Mean Diameter      : 14 km  (src: astorb)
 Speed of the shadow       : 3.1 km/s
 Elongation to Moon & Sun  : 80° (sunlit = 25%), Sun = 139°
 Cross-track uncertainty   : 3.0 mas = 3 km = 0.24 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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

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