CORA test instance — changes here do not update the production service.
Collaborative Occultation
Resources and Archive
Occultations | Call for Observation | Observations | Reports | Info + Credits | JOA | Login

Stellar Occultation by (4260) Yanai on 2025-08-20 (01:38:13 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] : 4feed050-ddb7-11f0-547e-b503f9f49a5a [observed] Occultation Date + Time : 2025-08-20 at 01:38:13 UT +/- 0.0 min [1] Object Designation : (4260) Yanai Star Designation : GDR3 6832650200310355328 Star Coordinates (ICRF) : RA = 21 16 30.1415, DE = -19 47 22.575 [2] Star Magnitudes : G = 12.14 mag, RP = 11.68 mag, BP = 12.44 mag Object Magnitude : V = 16.51 mag Estimated Magnitude Drop : 4.4 mag Estimated Max. Duration : 1.0 sec Speed of the shadow : 11.4 km/s Object Mean Diameter : 10.9 km (src: astorb) => apparent = 8 mas Apparent Motion : 0.5050 arcs/min @ PA = 251 deg Horizontal Parallax : 4.7190 arcs Dynamical Class : MBA Elongation to Moon & Sun : 152° (sunlit = 12%), Sun = 168° Cross-track uncertainty : 0.7 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 1.19 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#65 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

Aladin Sky Atlas
Loading sky atlas…

Aladin Lite direct link (has Gaia overlay)