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Stellar Occultation by (4424) Arkhipova on 2025-12-25 (17:38:32 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] : bd8d3e10-d999-11f1-43f3-5da67ff74680 [observed]

 Occultation Date + Time   : 2025-12-25 at 17:38:32 UT +/- 0.0 min  [1]
 Object Designation        : (4424) Arkhipova
 Star Designation          : GDR3 3324585822782101120
 Star Coordinates (ICRF)   : RA = 06 24 08.0226, DE = +07 11 13.217  [2]
 Star Magnitudes           : G = 10.9 mag, RP = 10.18 mag, BP = 11.46 mag
 Object Magnitude          : V = 15.64 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 2.0 sec
 Speed of the shadow       : 12.2 km/s
 Object Mean Diameter      : 25.0 km  (src: astorb) => apparent = 21 mas
 Apparent Motion           : 0.6050 arcs/min @ PA = 287 deg
 Horizontal Parallax       : 5.2580 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 116° (sunlit = 29%), Sun = 164°
 Cross-track uncertainty   : 0.4 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.3 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL73
 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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