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 (1207) Ostenia on 2025-10-28 (20:43:10 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] : a8382c60-ddb8-11f0-547e-6280cffffd47 [observed] Occultation Date + Time : 2025-10-28 at 20:43:10 UT +/- 0.01 min [1] Object Designation : (1207) Ostenia Star Designation : GDR3 2553382972577962624 Star Coordinates (ICRF) : RA = 00 52 41.2738, DE = +06 09 43.598 [2] Star Magnitudes : G = 13.11 mag, RP = 12.62 mag, BP = 13.42 mag Object Magnitude : V = 15.11 mag Estimated Magnitude Drop : 2.2 mag Estimated Max. Duration : 2.2 sec Speed of the shadow : 10.6 km/s Object Mean Diameter : 22.9 km (src: astorb) => apparent = 17 mas Apparent Motion : 0.4717 arcs/min @ PA = 265 deg Horizontal Parallax : 4.7060 arcs Dynamical Class : MBA Elongation to Moon & Sun : 78° (sunlit = 42%), Sun = 159° Cross-track uncertainty : 1.8 mas = 2 km = 0.11 path-width (1-sig) RUWE and duplicate source : 3.27 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#74 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)