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2020-03-17 / TYC 1824-00174-1 / (133) Cyrene

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Chad Ellington O+ VID M250 DE GPS++ 23:44:00 23:44:36.37 23:44:39.45 23:45:08 0.08 0.08 3.08 73.3
2 show O. Schreurs et al O- VID M203 BE 23:43:25 23:45:56
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#101 : b7185ea6-1c2e-4bc7-83d6-dfeedf0fd93b [db: observed]

Using prediction b7185ea6-1c2e-4bc7-83d6-dfeedf0fd93b for map and profile fit

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Event Details
 Occultation UUID [and DB] : b7185ea6-1c2e-4bc7-83d6-dfeedf0fd93b [observed]

 Occultation Date + Time   : 2020-03-17 at 23:42:03 UT +/- 0.01 min  [1]
 Object Designation        : (133) Cyrene
 Orbit Class               : MBA
 Star Designation          : GDR3 0152320813292005760
 Star Coordinates (ICRF)   : RA = 04 23 07.7894, DE = +27 13 49.160  [2]
 Star Magnitudes           : G = 7.66 mag, RP = 6.63 mag, BP = 8.78 mag
 Object Magnitude          : V = 14.5 mag
 Estimated Magnitude Drop  : 6.8 mag
 Estimated Max. Duration   : 2.8 sec
 Object Mean Diameter      : 67 km  (src: astorb)
 Speed of the shadow       : 23.8 km/s
 Elongation to Moon & Sun  : 142° (sunlit = 34%), Sun = 71°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.89 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#101

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

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