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2025-12-12 / UCAC4 590-011265 / (24470) 2000 SJ310

#OBSObserverOccMeth.Instr.CC TSRCUT1UT2UT3UT4UT2EUT3EDur.Chrd
1 show Stefano Sposetti O- VID M420 CH GPS 16:34:00 :: :: 16:36:00
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#57 : d86da270-ddb8-11f0-547e-5790abe73759 [db: observed]

Using prediction d86da270-ddb8-11f0-547e-5790abe73759 for map and profile fit

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Map with groundtrack and observer stations

Event Details
 Occultation UUID [and DB] : d86da270-ddb8-11f0-547e-5790abe73759 [observed]

 Occultation Date + Time   : 2025-12-12 at 16:33:23 UT +/- 0.04 min  [1]
 Object Designation        : (24470) 2000 SJ310
 Orbit Class               : JTRO
 Star Designation          : GDR3 0163908291460549632
 Star Coordinates (ICRF)   : RA = 04 05 30.5318, DE = +27 55 10.557  [2]
 Star Magnitudes           : G = 12.6 mag, RP = 12.16 mag, BP = 12.89 mag
 Object Magnitude          : V = 18.09 mag
 Estimated Magnitude Drop  : 5.5 mag
 Estimated Max. Duration   : 1.2 sec
 Object Mean Diameter      : 21.8 km  (src: astorb)
 Speed of the shadow       : 18.2 km/s
 Elongation to Moon & Sun  : 115° (sunlit = 42%), Sun = 162°
 Cross-track uncertainty   : 2.3 mas = 7 km = 0.33 path-width (1-sig)
 RUWE and duplicate source : 1.45 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#57
 Note                      : FP:true

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

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