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Stellar Occultation by (874) Rotraut on 2024-07-31 (01:17:19 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] : d33c9c40-ddb1-11f0-547e-9627ffff8a97 [observed]

 Occultation Date + Time   : 2024-07-31 at 01:17:19 UT +/- 0.01 min  [1]
 Object Designation        : (874) Rotraut
 Star Designation          : GDR3 4252650220185628416
 Star Coordinates (ICRF)   : RA = 18 39 07.5383, DE = -07 28 12.651  [2]
 Star Magnitudes           : G = 14.68 mag, RP = 13.88 mag, BP = 15.34 mag
 Object Magnitude          : V = 15.11 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 5.8 sec
 Speed of the shadow       : 9.7 km/s
 Object Mean Diameter      : 56.5 km  (src: astorb) => apparent = 35 mas
 Apparent Motion           : 0.3600 arcs/min @ PA = 244 deg
 Horizontal Parallax       : 3.9550 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 148° (sunlit = 20%), Sun = 148°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#90
 Note                      : FP:true

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


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