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2021-04-11 / 4UC 388-057150 / (1149) Volga

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jan-Maarten Winkel O+ VID M356 NL GPS++ 20:51:34 20:52:29.95 20:52:35.07 20:53:34 0.64 0.64 5.12 57.9
2 show Bjoern Kattentidt O- VID M279 DE 20:49:57 20:54:09
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#56 : 58301619-1c5e-4e79-a36e-0d8cd2deab3a [db: observed]

Using prediction 58301619-1c5e-4e79-a36e-0d8cd2deab3a for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 58301619-1c5e-4e79-a36e-0d8cd2deab3a [observed]

 Occultation Date + Time   : 2021-04-11 at 20:46:05 UT +/- 0.02 min  [1]
 Object Designation        : (1149) Volga
 Orbit Class               : MBA
 Star Designation          : GDR3 3565884163575073536
 Star Coordinates (ICRF)   : RA = 11 11 34.7367, DE = -12 24 59.859  [2]
 Star Magnitudes           : G = 13.99 mag, RP = 13.52 mag, BP = 14.3 mag
 Object Magnitude          : V = 15.49 mag
 Estimated Magnitude Drop  : 1.7 mag
 Estimated Max. Duration   : 4.9 sec
 Object Mean Diameter      : 56 km  (src: astorb)
 Speed of the shadow       : 11.3 km/s
 Elongation to Moon & Sun  : 148° (sunlit = 0%), Sun = 148°
 Cross-track uncertainty   : 2.7 mas = 4 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#56

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

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