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Stellar Occultation by (407) Arachne on 2023-10-03 (04:08:35 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] : 9097d3d1-efd6-4105-90da-37ddc7d89cd4 [observed]

 Occultation Date + Time   : 2023-10-03 at 04:08:35 UT +/- 0.02 min  [1]
 Object Designation        : (407) Arachne
 Star Designation          : GDR3 3443960899721828480
 Star Coordinates (ICRF)   : RA = 05 52 18.4627, DE = +30 13 30.473  [2]
 Star Magnitudes           : G = 15.07 mag, RP = 14.38 mag, BP = 15.59 mag
 Object Magnitude          : V = 13.91 mag
 Estimated Magnitude Drop  : 0.3 mag
 Estimated Max. Duration   : 8.6 sec
 Object Mean Diameter      : 95.1 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.1 km/s
 Elongation to Moon & Sun  : 29° (sunlit = 82%), Sun = 101°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67

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


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