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Stellar Occultation by (42985) Marsset on 2026-08-31 (00:32:58 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] : 059b15f0-d9af-11f1-43f3-6622f7f5c254 [observed]

 Occultation Date + Time   : 2026-08-31 at 00:32:58 UT +/- 0.03 min  [1]
 Object Designation        : (42985) Marsset
 Star Designation          : GDR3 6910163575341305728
 Star Coordinates (ICRF)   : RA = 20 51 51.2446, DE = -06 34 59.343  [2]
 Star Magnitudes           : G = 14.42 mag, RP = 13.73 mag, BP = 14.96 mag
 Object Magnitude          : V = 19.07 mag
 Estimated Magnitude Drop  : 4.7 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 12.1 km/s
 Object Mean Diameter      : 5.3 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4250 arcs/min @ PA = 237 deg
 Horizontal Parallax       : 3.7400 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 59° (sunlit = 91%), Sun = 154°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.74 path-width (1-sig)
 RUWE and duplicate source : 0.99 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL45
 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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