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Stellar Occultation by (397) Vienna on 2025-04-04 (23:52:22 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] : 20236a10-85a3-11ef-78cd-f038adff2cce [asteroids]

 Occultation Date + Time   : 2025-04-04 at 23:52:22 UT +/- 0.0 min  [1]
 Object Designation        : (397) Vienna
 Star Designation          : GDR3 6290996485745038976
 Star Coordinates (ICRF)   : RA = 14 04 07.3356, DE = -18 55 57.162  [2]
 Star Magnitudes           : G = 13.02 mag, RP = 12.5 mag, BP = 13.36 mag
 Object Magnitude          : V = 14.21 mag
 Estimated Magnitude Drop  : 1.5 mag
 Estimated Max. Duration   : 3.2 sec
 Object Mean Diameter      : 43.3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.6 km/s
 Elongation to Moon & Sun  : 112° (sunlit = 49%), Sun = 159°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.86 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#133

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


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