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 (283) Emma on 2025-10-24 (22:34:22 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] : a0809e30-ddb8-11f0-547e-c18ae73f4740 [observed] Occultation Date + Time : 2025-10-24 at 22:34:22 UT +/- 0.01 min [1] Object Designation : (283) Emma Star Designation : GDR3 0106608342487425792 Star Coordinates (ICRF) : RA = 02 24 53.8544, DE = +27 35 11.496 [2] Star Magnitudes : G = 13.64 mag, RP = 13.13 mag, BP = 13.98 mag Object Magnitude : V = 12.59 mag Estimated Magnitude Drop : 0.4 mag Estimated Max. Duration : 14.2 sec Speed of the shadow : 10.5 km/s Object Mean Diameter : 148.1 km (src: astorb) => apparent = 119 mas Apparent Motion : 0.5033 arcs/min @ PA = 254 deg Horizontal Parallax : 5.1220 arcs Dynamical Class : MBA Elongation to Moon & Sun : 153° (sunlit = 10%), Sun = 163° Cross-track uncertainty : 1.7 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#121 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)