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 (8109) Danielwilliam on 2024-08-11 (21:21:10 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] : 39825ff0-ddb5-11f0-547e-1feadbdd749d [observed] Occultation Date + Time : 2024-08-11 at 21:21:10 UT +/- 0.01 min [1] Object Designation : (8109) Danielwilliam Star Designation : GDR3 4123772201683988864 Star Coordinates (ICRF) : RA = 17 45 04.0748, DE = -17 14 30.134 [2] Star Magnitudes : G = 12.37 mag, RP = 11.77 mag, BP = 12.8 mag Object Magnitude : V = 18.74 mag Estimated Magnitude Drop : 6.4 mag Estimated Max. Duration : 0.5 sec Speed of the shadow : 9.2 km/s Object Mean Diameter : 4.8 km (src: astorb) => apparent = 3 mas Apparent Motion : 0.3950 arcs/min @ PA = 195 deg Horizontal Parallax : 4.5570 arcs Dynamical Class : MBA Elongation to Moon & Sun : 46° (sunlit = 43%), Sun = 126° Cross-track uncertainty : 0.3 mas = 0 km = 0.09 path-width (1-sig) RUWE and duplicate source : 0.86 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#54 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)