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Stellar Occultation by (486018) 2012 SQ23 on 2024-10-31 (21:20:54 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] : ca04b820-c358-11ef-5276-1000abfac767 [observed]

 Occultation Date + Time   : 2024-10-31 at 21:20:54 UT +/- 0.13 min  [1]
 Object Designation        : (486018) 2012 SQ23
 Star Designation          : GDR3 2538981706716283264
 Star Coordinates (ICRF)   : RA = 01 00 30.3770, DE = +01 42 04.907  [2]
 Star Magnitudes           : G = 13.14 mag, RP = 12.66 mag, BP = 13.46 mag
 Object Magnitude          : V = 20.95 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 5 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 15.4 km/s
 Elongation to Moon & Sun  : 161° (sunlit = 0%), Sun = 155°
 Cross-track uncertainty   : 20.0 mas = 57 km = 10.92 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#22

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


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