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Stellar Occultation by (950) Ahrensa on 2024-08-20 (23:20:38 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] : 1cf73680-c353-11ef-5276-62e57ba25b9e [observed]

 Occultation Date + Time   : 2024-08-20 at 23:20:38 UT +/- 0.0 min  [1]
 Object Designation        : (950) Ahrensa
 Star Designation          : GDR3 4298165917077059328
 Star Coordinates (ICRF)   : RA = 19 53 49.3985, DE = +07 41 43.899  [2]
 Star Magnitudes           : G = 14.95 mag, RP = 14.08 mag, BP = 15.75 mag
 Object Magnitude          : V = 15.45 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 1.1 sec
 Object Mean Diameter      : 15.0 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.4 km/s
 Elongation to Moon & Sun  : 51° (sunlit = 98%), Sun = 142°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72

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


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