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 (856) Backlunda on 2023-07-11 (20:11:56 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] : d84dfec0-ddb3-11f0-547e-eac23e9f1c62 [observed] Occultation Date + Time : 2023-07-11 at 20:11:56 UT +/- 0.0 min [1] Object Designation : (856) Backlunda Star Designation : GDR3 4102090798798567680 Star Coordinates (ICRF) : RA = 18 50 53.7918, DE = -14 06 51.848 [2] Star Magnitudes : G = 13.77 mag, RP = 13.08 mag, BP = 14.29 mag Object Magnitude : V = 13.89 mag Estimated Magnitude Drop : 0.8 mag Estimated Max. Duration : 4.6 sec Speed of the shadow : 11.3 km/s Object Mean Diameter : 52.0 km (src: astorb) => apparent = 52 mas Apparent Motion : 0.6800 arcs/min @ PA = 239 deg Horizontal Parallax : 6.3860 arcs Dynamical Class : MBA Elongation to Moon & Sun : 118° (sunlit = 31%), Sun = 169° Cross-track uncertainty : 0.4 mas = 0 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.73 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#112 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)