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

Stellar Occultation by (4603) Bertaud on 2026-03-22 (19:32:02 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] : 51b227f0-de77-11f0-4858-8f08efefd048 [asteroids]

 Occultation Date + Time   : 2026-03-22 at 19:32:02 UT +/- 0.0 min  [1]
 Object Designation        : (4603) Bertaud
 Star Designation          : GDR3 0172469054632291072
 Star Coordinates (ICRF)   : RA = 04 28 58.8090, DE = +33 00 57.515  [2]
 Star Magnitudes           : G = 9.77 mag, RP = 9.54 mag, BP = 9.89 mag
 Object Magnitude          : V = 18.55 mag
 Estimated Magnitude Drop  : 8.8 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 24.8 km/s
 Object Mean Diameter      : 11.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5917 arcs/min @ PA = 94 deg
 Horizontal Parallax       : 2.5330 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 19° (sunlit = 18%), Sun = 69°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.07 path-width (1-sig)
 RUWE and duplicate source : 1.49 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#73
 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
Aladin Lite direct link (has Gaia overlay)