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 (335) Roberta on 2025-09-16 (05:27:03 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] : 6f1dc120-ddb7-11f0-547e-eda67adff99e [observed] Occultation Date + Time : 2025-09-16 at 05:27:03 UT +/- 0.0 min [1] Object Designation : (335) Roberta Star Designation : GDR3 3397523644596774528 Star Coordinates (ICRF) : RA = 05 37 44.8843, DE = +17 55 09.333 [2] Star Magnitudes : G = 14.55 mag, RP = 13.74 mag, BP = 15.25 mag Object Magnitude : V = 14.38 mag Estimated Magnitude Drop : 0.7 mag Estimated Max. Duration : 5.8 sec Speed of the shadow : 15.3 km/s Object Mean Diameter : 89.1 km (src: astorb) => apparent = 48 mas Apparent Motion : 0.4917 arcs/min @ PA = 96 deg Horizontal Parallax : 3.4270 arcs Dynamical Class : MBA Elongation to Moon & Sun : 24° (sunlit = 31%), Sun = 89° Cross-track uncertainty : 0.7 mas = 1 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.01 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#95 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)