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 (11047) 1990 QL1 on 2023-08-31 (20:25:42 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] : fbe61610-ddb3-11f0-547e-8bab7f7faf58 [observed] Occultation Date + Time : 2023-08-31 at 20:25:42 UT +/- 0.01 min [1] Object Designation : (11047) 1990 QL1 Star Designation : GDR3 6876934272366885504 Star Coordinates (ICRF) : RA = 20 24 37.7046, DE = -12 43 00.822 [2] Star Magnitudes : G = 13.75 mag, RP = 13.27 mag, BP = 14.05 mag Object Magnitude : V = 17.88 mag Estimated Magnitude Drop : 4.2 mag Estimated Max. Duration : 0.8 sec Speed of the shadow : 9.4 km/s Object Mean Diameter : 7.4 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.3800 arcs/min @ PA = 231 deg Horizontal Parallax : 4.3180 arcs Dynamical Class : MBA Elongation to Moon & Sun : 45° (sunlit = 99%), Sun = 147° Cross-track uncertainty : 0.4 mas = 0 km = 0.08 path-width (1-sig) RUWE and duplicate source : 2.52 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#59 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)