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2020-02-25 / 4UC 366-059287 / (506) Marion

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show A. Kreutzer et al O+ CCD M500 AT GPS+ 00:13:44 00:15:09.42 00:15:18.38 00:16:52 0.20 0.20 8.96 316.3
2 show Erich Kowald O- CCD M500 AT 00:13:50 00:16:40
3 show Robert Greimel O- VID M500 AT 00:10:02 00:20:03
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#? : d48ab16b-3952-4bc4-b1e6-12088b42775d [db: observed]
JPL#? : c77f143e-48a5-4e56-9f43-d39f94f3e743 [db: observed]

Using prediction d48ab16b-3952-4bc4-b1e6-12088b42775d for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : d48ab16b-3952-4bc4-b1e6-12088b42775d [observed]

 Occultation Date + Time   : 2020-02-25 at 00:41:59 UT +/- 10720.32 min  [1]
 Object Designation        : (506) Marion
 Orbit Class               : MBA
 Star Designation          : GDR3 4080975571302823424
 Star Coordinates (ICRF)   : RA = 19 16 47.9608, DE = -22 23 13.901  [2]
 Star Magnitudes           : G = 13.76 mag, RP = 13.19 mag, BP = 14.15 mag
 Object Magnitude          : V = 15.6 mag
 Estimated Magnitude Drop  : 2.0 mag
 Estimated Max. Duration   : 3.0 sec
 Object Mean Diameter      : 106 km  (src: astorb)
 Speed of the shadow       : 35.3 km/s
 Elongation to Moon & Sun  : 63° (sunlit = 2%), Sun = 48°
 Cross-track uncertainty   : 2000000.0 mas = 8538336 km = 80626.40 path-width (1-sig)
 RUWE and duplicate source : 1.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#?

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

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