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Stellar Occultation by (22177) Saotome on 2026-03-08 (01:46:19 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] : f6b196f0-de7c-11f0-4858-482975cf0931 [asteroids]

 Occultation Date + Time   : 2026-03-08 at 01:46:19 UT +/- 0.01 min  [1]
 Object Designation        : (22177) Saotome
 Star Designation          : GDR3 4135666997665679744
 Star Coordinates (ICRF)   : RA = 17 10 01.4718, DE = -16 52 09.235  [2]
 Star Magnitudes           : G = 12.9 mag, RP = 12.03 mag, BP = 13.68 mag
 Object Magnitude          : V = 17.7 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.7 sec
 Speed of the shadow       : 17.9 km/s
 Object Mean Diameter      : 11.8 km  (src: astorb) => apparent = 6 mas
 Apparent Motion           : 0.5583 arcs/min @ PA = 111 deg
 Horizontal Parallax       : 3.3140 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 38° (sunlit = 80%), Sun = 90°
 Cross-track uncertainty   : 2.7 mas = 5 km = 0.44 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#60
 Note                      : FP:true

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


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