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2020-06-02 / 4UC 496-067568 / (33800) Gross

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Yves Argentin O+ VID M305 FR GPS++ 22:32:17 22:33:02.25 22:33:03.53 22:33:45 0.08 0.08 1.28 16.5
2 show J.J. Castellani O- VID M400 FR 22:31:57 22:34:02
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#52 : 80537e5e-942a-4a70-987e-c881b4a4857a [db: observed]

Using prediction 80537e5e-942a-4a70-987e-c881b4a4857a for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 80537e5e-942a-4a70-987e-c881b4a4857a [observed]

 Occultation Date + Time   : 2020-06-02 at 22:31:19 UT +/- 0.02 min  [1]
 Object Designation        : (33800) Gross
 Orbit Class               : MBA
 Star Designation          : GDR3 4446326105336336768
 Star Coordinates (ICRF)   : RA = 16 38 29.7261, DE = +09 09 22.259  [2]
 Star Magnitudes           : G = 13.44 mag, RP = 12.96 mag, BP = 13.76 mag
 Object Magnitude          : V = 17.11 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 1.0 sec
 Object Mean Diameter      : 12 km  (src: astorb)
 Speed of the shadow       : 12.9 km/s
 Elongation to Moon & Sun  : 40° (sunlit = 89%), Sun = 148°
 Cross-track uncertainty   : 2.7 mas = 4 km = 0.36 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52

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

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