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2021-09-16 / 4UC 508-000622 / (2167) Erin

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Serge Dramonis O+ CCD M406 GR GPS+ 01:16:30 01:17:42.05 01:17:42.62 01:19:00 0.04 0.07 0.57 7.4
UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km | More

1 observation found in db: euraster

Available (probably) matching predictions (click on the link to switch):
JPL#58 : 4a1d959e-ca26-4ae3-a6dc-d4f49cf69a41 [db: observed]

Using prediction 4a1d959e-ca26-4ae3-a6dc-d4f49cf69a41 for map and profile fit

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Event Details
 Occultation UUID [and DB] : 4a1d959e-ca26-4ae3-a6dc-d4f49cf69a41 [observed]

 Occultation Date + Time   : 2021-09-16 at 01:22:22 UT +/- 0.01 min  [1]
 Object Designation        : (2167) Erin
 Orbit Class               : MBA
 Star Designation          : GDR3 2754459150805025920
 Star Coordinates (ICRF)   : RA = 00 21 46.4537, DE = +11 25 39.758  [2]
 Star Magnitudes           : G = 12.58 mag, RP = 12.14 mag, BP = 12.86 mag
 Object Magnitude          : V = 16.7 mag
 Estimated Magnitude Drop  : 4.1 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 12 km  (src: astorb)
 Speed of the shadow       : 12.9 km/s
 Elongation to Moon & Sun  : 78° (sunlit = 74%), Sun = 162°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.29 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58

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

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