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Stellar Occultation by (465) Alekto on 2020-12-31 (02:28:41 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] : d9007f7b-7d96-41de-a168-42e14a819eb6 [observed]

 Occultation Date + Time   : 2020-12-31 at 02:28:41 UT +/- 0.11 min  [1]
 Object Designation        : (465) Alekto
 Star Designation          : GDR3 3859370033508047360
 Star Coordinates (ICRF)   : RA = 10 39 40.7569, DE = +06 07 09.780  [2]
 Star Magnitudes           : G = 14.43 mag, RP = 13.79 mag, BP = 14.91 mag
 Object Magnitude          : V = 14.87 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 21.6 sec
 Object Mean Diameter      : 73 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 3.4 km/s
 Elongation to Moon & Sun  : 48° (sunlit = 99%), Sun = 121°
 Cross-track uncertainty   : 3.3 mas = 5 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 0.98 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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