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 (30814) 1990 QW on 2025-09-18 (22:53:49 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] : 7ba09300-ddb7-11f0-547e-ebf6d45f1a48 [observed] Occultation Date + Time : 2025-09-18 at 22:53:49 UT +/- 0.01 min [1] Object Designation : (30814) 1990 QW Star Designation : GDR3 0069805175749940352 Star Coordinates (ICRF) : RA = 03 33 30.7129, DE = +27 12 42.130 [2] Star Magnitudes : G = 11.91 mag, RP = 11.34 mag, BP = 12.3 mag Object Magnitude : V = 18.19 mag Estimated Magnitude Drop : 6.3 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 5.6 km/s Object Mean Diameter : 4.0 km (src: astorb) => apparent = 4 mas Apparent Motion : 0.3233 arcs/min @ PA = 27 deg Horizontal Parallax : 6.1660 arcs Dynamical Class : MBA Elongation to Moon & Sun : 85° (sunlit = 8%), Sun = 118° Cross-track uncertainty : 0.4 mas = 0 km = 0.10 path-width (1-sig) RUWE and duplicate source : 0.98 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#53 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)