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Stellar Occultation by (28136) Chasegross on 2026-09-28 (22:14:02 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] : 4f6b3c70-d9b2-11f1-43f3-3622fbdfc4dc [observed]

 Occultation Date + Time   : 2026-09-28 at 22:14:02 UT +/- 0.01 min  [1]
 Object Designation        : (28136) Chasegross
 Star Designation          : GDR3 2566938988875626880
 Star Coordinates (ICRF)   : RA = 01 29 51.0106, DE = +08 47 03.276  [2]
 Star Magnitudes           : G = 11.27 mag, RP = 10.78 mag, BP = 11.6 mag
 Object Magnitude          : V = 18.3 mag
 Estimated Magnitude Drop  : 7.0 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 8.2 km/s
 Object Mean Diameter      : 2.6 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5567 arcs/min @ PA = 233 deg
 Horizontal Parallax       : 7.2190 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 12° (sunlit = 94%), Sun = 162°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.44 path-width (1-sig)
 RUWE and duplicate source : 1.38 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL47
 Note                      : FP:true

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


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
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