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Stellar Occultation by (931) Whittemora on 2023-08-22 (17:41:40 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] : f4dec510-ddb3-11f0-547e-51e4fdfec737 [observed]

 Occultation Date + Time   : 2023-08-22 at 17:41:40 UT +/- 0.0 min  [1]
 Object Designation        : (931) Whittemora
 Star Designation          : GDR3 6268136745654813824
 Star Coordinates (ICRF)   : RA = 15 41 48.7237, DE = -11 52 22.100  [2]
 Star Magnitudes           : G = 10.86 mag, RP = 10.1 mag, BP = 11.48 mag
 Object Magnitude          : V = 16.06 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 2.9 sec
 Speed of the shadow       : 15.5 km/s
 Object Mean Diameter      : 45.3 km  (src: astorb) => apparent = 16 mas
 Apparent Motion           : 0.3350 arcs/min @ PA = 124 deg
 Horizontal Parallax       : 2.2970 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 19° (sunlit = 33%), Sun = 87°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL81
 Note                      : FP:true

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


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