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2024-12-06 / UCAC4 581-029469 / (4484) Sif

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Oscar Canales O+ CCD M280 ES GPS 19:05:21 19:06:20.79 19:06:21.69 19:07:21 0.15 0.15 0.90 13.5
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: sodis

Available (probably) matching predictions (click on the link to switch):
JPL#59 : b8e77140-ddb5-11f0-547e-b58cecceb784 [db: observed]

Using prediction b8e77140-ddb5-11f0-547e-b58cecceb784 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : b8e77140-ddb5-11f0-547e-b58cecceb784 [observed]

 Occultation Date + Time   : 2024-12-06 at 18:59:29 UT +/- 0.0 min  [1]
 Object Designation        : (4484) Sif
 Orbit Class               : MBA
 Star Designation          : GDR3 3384282810178821504
 Star Coordinates (ICRF)   : RA = 06 31 05.2564, DE = +26 06 18.556  [2]
 Star Magnitudes           : G = 13.34 mag, RP = 12.87 mag, BP = 13.63 mag
 Object Magnitude          : V = 15.82 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 1.4 sec
 Object Mean Diameter      : 21.3 km  (src: astorb)
 Speed of the shadow       : 15.0 km/s
 Elongation to Moon & Sun  : 135° (sunlit = 30%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#59
 Note                      : FP:true

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

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