Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (3405) Daiwensai on 2025-04-08 (20:08:14 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] : 05a11610-8940-11ef-78cd-a8aeffad62ba [asteroids]

 Occultation Date + Time   : 2025-04-08 at 20:08:14 UT +/- 0.0 min  [1]
 Object Designation        : (3405) Daiwensai
 Star Designation          : GDR3 3143747015058023552
 Star Coordinates (ICRF)   : RA = 07 52 36.3777, DE = +05 58 17.483  [2]
 Star Magnitudes           : G = 11.49 mag, RP = 10.83 mag, BP = 11.99 mag
 Object Magnitude          : V = 17.69 mag
 Estimated Magnitude Drop  : 6.2 mag
 Estimated Max. Duration   : 2.1 sec
 Object Mean Diameter      : 22.3 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.8 km/s
 Elongation to Moon & Sun  : 38° (sunlit = 85%), Sun = 99°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.08 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

 
 [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



Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)