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2021-12-04 / 4UC 522-028802 / (21065) Jamesmelka

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Jean Bourgeois O+ VIS M200 BE GPS++ 22:17:00 22:17:53.0 22:17:54.7 22:19:00 0.34 0.38 1.70 25.5
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#55 : 82c9f5e2-21c7-4584-9d15-9df156e45dfc [db: observed]

Using prediction 82c9f5e2-21c7-4584-9d15-9df156e45dfc for map and profile fit

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Event Details
 Occultation UUID [and DB] : 82c9f5e2-21c7-4584-9d15-9df156e45dfc [observed]

 Occultation Date + Time   : 2021-12-04 at 22:16:02 UT +/- 0.02 min  [1]
 Object Designation        : (21065) Jamesmelka
 Orbit Class               : MBA
 Star Designation          : GDR3 3355883039014295936
 Star Coordinates (ICRF)   : RA = 06 38 57.7712, DE = +14 22 20.874  [2]
 Star Magnitudes           : G = 14.02 mag, RP = 13.26 mag, BP = 14.64 mag
 Object Magnitude          : V = 18.61 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 9 km  (src: astorb)
 Speed of the shadow       : 15.0 km/s
 Elongation to Moon & Sun  : 159° (sunlit = 1%), Sun = 152°
 Cross-track uncertainty   : 2.7 mas = 5 km = 0.62 path-width (1-sig)
 RUWE and duplicate source : 1.63 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55

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

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