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Stellar Occultation by (1940) Whipple on 2026-08-19 (20:13:50 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] : 1f647450-d9ae-11f1-43f3-cfe6dbdf1770 [observed]

 Occultation Date + Time   : 2026-08-19 at 20:13:50 UT +/- 0.01 min  [1]
 Object Designation        : (1940) Whipple
 Star Designation          : GDR3 2654659705871605120
 Star Coordinates (ICRF)   : RA = 22 39 58.7275, DE = +01 26 02.528  [2]
 Star Magnitudes           : G = 11.78 mag, RP = 11.41 mag, BP = 12.01 mag
 Object Magnitude          : V = 15.96 mag
 Estimated Magnitude Drop  : 4.2 mag
 Estimated Max. Duration   : 2.9 sec
 Speed of the shadow       : 11.9 km/s
 Object Mean Diameter      : 33.9 km  (src: astorb) => apparent = 22 mas
 Apparent Motion           : 0.4583 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 4.0980 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 109° (sunlit = 48%), Sun = 162°
 Cross-track uncertainty   : 1.7 mas = 2 km = 0.08 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL75
 Note                      : FP:true

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


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