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Stellar Occultation by (40221) 1998 SG136 on 2024-08-19 (02:09:39 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 04dcb610-c353-11ef-5276-4f86bfedae01 [observed]

 Occultation Date + Time   : 2024-08-19 at 02:09:39 UT +/- 0.01 min  [1]
 Object Designation        : (40221) 1998 SG136
 Star Designation          : GDR3 2656996202440390400
 Star Coordinates (ICRF)   : RA = 22 53 33.5594, DE = +03 56 22.746  [2]
 Star Magnitudes           : G = 12.16 mag, RP = 11.61 mag, BP = 12.54 mag
 Object Magnitude          : V = 17.93 mag
 Estimated Magnitude Drop  : 5.8 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 5.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.7 km/s
 Elongation to Moon & Sun  : 32° (sunlit = 99%), Sun = 158°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#43

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


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