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2023-12-01 / UCAC4 418-144355 / (983) Gunila

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Alex Pratt O+ VID M280 GB GPS 19:13:47 19:14:09.567 19:14:11.568 19:15:16 0.35 0.35 2.00 66.2
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#65 : e6641db8-8683-473a-b40e-f51cd6078e67 [db: observed]

Using prediction e6641db8-8683-473a-b40e-f51cd6078e67 for map and profile fit

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Event Details
 Occultation UUID [and DB] : e6641db8-8683-473a-b40e-f51cd6078e67 [observed]

 Occultation Date + Time   : 2023-12-01 at 19:12:17 UT +/- 0.01 min  [1]
 Object Designation        : (983) Gunila
 Orbit Class               : MBA
 Star Designation          : GDR3 4217904248294191360
 Star Coordinates (ICRF)   : RA = 20 23 23.1067, DE = -06 28 42.318  [2]
 Star Magnitudes           : G = 12.65 mag, RP = 11.94 mag, BP = 13.22 mag
 Object Magnitude          : V = 15.61 mag
 Estimated Magnitude Drop  : 3.0 mag
 Estimated Max. Duration   : 2.2 sec
 Object Mean Diameter      : 74 km  (src: astorb)
 Speed of the shadow       : 33.1 km/s
 Elongation to Moon & Sun  : 162° (sunlit = 81%), Sun = 58°
 Cross-track uncertainty   : 2.7 mas = 6 km = 0.09 path-width (1-sig)
 RUWE and duplicate source : 2.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#65

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

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