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2023-07-07 / UCAC4 375-180371 / (2683) Brian

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Serge Dramonis O+ VID M400 GR GPS 01:19:20 01:19:46.60 01:19:48.700 01:21:30 0.04 0.04 2.10 10.7
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#63 : 30cf3c00-c337-11ef-5276-c57fcfb6ddbb [db: observed]

Using prediction 30cf3c00-c337-11ef-5276-c57fcfb6ddbb for map and profile fit

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Event Details
 Occultation UUID [and DB] : 30cf3c00-c337-11ef-5276-c57fcfb6ddbb [observed]

 Occultation Date + Time   : 2023-07-07 at 01:25:31 UT +/- 0.0 min  [1]
 Object Designation        : (2683) Brian
 Orbit Class               : MBA
 Star Designation          : GDR3 6841672831383247232
 Star Coordinates (ICRF)   : RA = 21 42 03.0845, DE = -15 00 43.921  [2]
 Star Magnitudes           : G = 12.32 mag, RP = 11.89 mag, BP = 12.6 mag
 Object Magnitude          : V = 16.32 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 2.8 sec
 Object Mean Diameter      : 14.2 km  (src: astorb)
 Speed of the shadow       : 5.1 km/s
 Elongation to Moon & Sun  : 12° (sunlit = 82%), Sun = 142°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 1.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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

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