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2023-08-08 / UCAC4 330-147797 / (1461) Jean-Jacques

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Carles Schnabel O- VID M400 ES GPS 23:50:40 23:54:24
2 show Antoni Selva, Carlos Perello O- VID M500 ES GPS 23:50:25 23:54:24
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#62 : 457a932f-87fd-485f-b0e8-183504e79a13 [db: observed]

Using prediction 457a932f-87fd-485f-b0e8-183504e79a13 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : 457a932f-87fd-485f-b0e8-183504e79a13 [observed]

 Occultation Date + Time   : 2023-08-08 at 23:38:14 UT +/- 0.04 min  [1]
 Object Designation        : (1461) Jean-Jacques
 Orbit Class               : MBA
 Star Designation          : GDR3 4089299866459316736
 Star Coordinates (ICRF)   : RA = 18 22 16.8873, DE = -24 08 55.516  [2]
 Star Magnitudes           : G = 16.67 mag, RP = 15.69 mag, BP = 17.61 mag
 Object Magnitude          : V = 15.39 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 4.2 sec
 Object Mean Diameter      : 33 km  (src: astorb)
 Speed of the shadow       : 8.0 km/s
 Elongation to Moon & Sun  : 138° (sunlit = 44%), Sun = 139°
 Cross-track uncertainty   : 2.4 mas = 4 km = 0.13 path-width (1-sig)
 RUWE and duplicate source : 1.09 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#62

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

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