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 (4619) Polyakhova on 2025-09-05 (21:29:20 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] : 64846fc0-ddb7-11f0-547e-0431eeb233bd [observed] Occultation Date + Time : 2025-09-05 at 21:29:20 UT +/- 0.0 min [1] Object Designation : (4619) Polyakhova Star Designation : GDR3 6891263451496154368 Star Coordinates (ICRF) : RA = 21 33 01.5401, DE = -11 55 12.867 [2] Star Magnitudes : G = 13.95 mag, RP = 13.47 mag, BP = 14.27 mag Object Magnitude : V = 17.17 mag Estimated Magnitude Drop : 3.3 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 9.8 km/s Object Mean Diameter : 8.0 km (src: astorb) => apparent = 6 mas Apparent Motion : 0.4517 arcs/min @ PA = 251 deg Horizontal Parallax : 4.9240 arcs Dynamical Class : MBA Elongation to Moon & Sun : 6° (sunlit = 96%), Sun = 158° Cross-track uncertainty : 0.7 mas = 0 km = 0.11 path-width (1-sig) RUWE and duplicate source : 1.02 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#67 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)