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Stellar Occultation by (1149) Volga on 2025-04-08 (19:28:43 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] : 6b2664b0-ddb6-11f0-547e-52d5ffef4541 [observed]

 Occultation Date + Time   : 2025-04-08 at 19:28:43 UT +/- 0.0 min  [1]
 Object Designation        : (1149) Volga
 Star Designation          : GDR3 3357552544338425600
 Star Coordinates (ICRF)   : RA = 06 45 16.6583, DE = +15 21 43.311  [2]
 Star Magnitudes           : G = 11.8 mag, RP = 11.13 mag, BP = 12.25 mag
 Object Magnitude          : V = 16.19 mag
 Estimated Magnitude Drop  : 4.4 mag
 Estimated Max. Duration   : 2.8 sec
 Speed of the shadow       : 20.0 km/s
 Object Mean Diameter      : 55.6 km  (src: astorb) => apparent = 26 mas
 Apparent Motion           : 0.5683 arcs/min @ PA = 93 deg
 Horizontal Parallax       : 3.0270 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 53° (sunlit = 85%), Sun = 82°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 5.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#67
 Note                      : FP:true

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


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