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Stellar Occultation by (540) Rosamunde on 2024-12-21 (21:28:15 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] : 4b6176e0-8283-11ef-6618-628dfbbf07d6 [asteroids]

 Occultation Date + Time   : 2024-12-21 at 21:28:15 UT +/- 0.0 min  [1]
 Object Designation        : (540) Rosamunde
 Star Designation          : GDR3 3347040324123440640
 Star Coordinates (ICRF)   : RA = 05 50 59.1315, DE = +14 11 06.395  [2]
 Star Magnitudes           : G = 13.54 mag, RP = 13.0 mag, BP = 13.91 mag
 Object Magnitude          : V = 13.33 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 1.9 sec
 Object Mean Diameter      : 19 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.3 km/s
 Elongation to Moon & Sun  : 82° (sunlit = 60%), Sun = 170°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 1.41 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

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


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