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Stellar Occultation by (618) Elfriede on 2024-08-22 (21:43:34 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] : 520221b0-8603-11ef-78cd-4ab097ee94ba [asteroids]

 Occultation Date + Time   : 2024-08-22 at 21:43:34 UT +/- 0.01 min  [1]
 Object Designation        : (618) Elfriede
 Star Designation          : GDR3 4330168989695010304
 Star Coordinates (ICRF)   : RA = 16 17 13.2632, DE = -12 31 45.427  [2]
 Star Magnitudes           : G = 14.88 mag, RP = 14.24 mag, BP = 15.34 mag
 Object Magnitude          : V = 14.32 mag
 Estimated Magnitude Drop  : 0.5 mag
 Estimated Max. Duration   : 7.8 sec
 Object Mean Diameter      : 120 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 15.5 km/s
 Elongation to Moon & Sun  : 129° (sunlit = 86%), Sun = 94°
 Cross-track uncertainty   : 1.0 mas = 2 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#141

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


More Data and Informations
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