Collaborative Occultation
Resources and Archive
CORA

Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (50574) 2000 ED40 on 2026-09-23 (22:11:49 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] : 5a81c990-d9b1-11f1-43f3-7f4eafff40a4 [observed]

 Occultation Date + Time   : 2026-09-23 at 22:11:49 UT +/- 0.02 min  [1]
 Object Designation        : (50574) 2000 ED40
 Star Designation          : GDR3 2440470790626876928
 Star Coordinates (ICRF)   : RA = 23 36 53.1930, DE = -06 35 39.519  [2]
 Star Magnitudes           : G = 13.02 mag, RP = 12.35 mag, BP = 13.53 mag
 Object Magnitude          : V = 18.25 mag
 Estimated Magnitude Drop  : 5.2 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 4.1 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.5367 arcs/min @ PA = 255 deg
 Horizontal Parallax       : 5.1800 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 25° (sunlit = 92%), Sun = 170°
 Cross-track uncertainty   : 5.0 mas = 6 km = 1.50 path-width (1-sig)
 RUWE and duplicate source : 1.74 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL42
 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)