Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (255410) 2005 XF9 on 2026-09-20 (19:38:57 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] : 27a96e10-d9b1-11f1-43f3-777adc3f3baa [observed]

 Occultation Date + Time   : 2026-09-20 at 19:38:57 UT +/- 0.06 min  [1]
 Object Designation        : (255410) 2005 XF9
 Star Designation          : GDR3 2767865015046125184
 Star Coordinates (ICRF)   : RA = 00 09 15.6912, DE = +13 36 43.077  [2]
 Star Magnitudes           : G = 9.82 mag, RP = 9.76 mag, BP = 9.85 mag
 Object Magnitude          : V = 20.42 mag
 Estimated Magnitude Drop  : 10.6 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 14.8 km/s
 Object Mean Diameter      : 3.1 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.4783 arcs/min @ PA = 251 deg
 Horizontal Parallax       : 3.4360 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 79° (sunlit = 68%), Sun = 165°
 Cross-track uncertainty   : 20.3 mas = 37 km = 12.16 path-width (1-sig)
 RUWE and duplicate source : 1.51 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL31
 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
(If error 404: link not valid which means no data available)


Interactive map

Download KMZ file

Aladin Sky Atlas
Loading sky atlas…
Aladin Lite direct link (has Gaia overlay)