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Stellar Occultation by (773) Irmintraud on 2023-07-31 (00:28:32 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] : 66b4c170-ddb0-11f0-547e-0d48feffecc6 [observed]

 Occultation Date + Time   : 2023-07-31 at 00:28:32 UT +/- 0.0 min  [1]
 Object Designation        : (773) Irmintraud
 Star Designation          : GDR3 6840420247121354112
 Star Coordinates (ICRF)   : RA = 21 56 37.5793, DE = -14 06 03.733  [2]
 Star Magnitudes           : G = 10.63 mag, RP = 9.89 mag, BP = 11.23 mag
 Object Magnitude          : V = 12.88 mag
 Estimated Magnitude Drop  : 2.4 mag
 Estimated Max. Duration   : 8.6 sec
 Speed of the shadow       : 11.2 km/s
 Object Mean Diameter      : 95.9 km  (src: astorb) => apparent = 79 mas
 Apparent Motion           : 0.5533 arcs/min @ PA = 278 deg
 Horizontal Parallax       : 5.2660 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 44° (sunlit = 95%), Sun = 161°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.1 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#112
 Note                      : FP:true

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


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