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 (181904) 1999 RN254 on 2025-11-10 (19:58:25 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] : b2a00d80-ddb8-11f0-547e-2f7bef7e35a1 [observed] Occultation Date + Time : 2025-11-10 at 19:58:25 UT +/- 0.14 min [1] Object Designation : (181904) 1999 RN254 Star Designation : GDR3 2449146280968113152 Star Coordinates (ICRF) : RA = 23 51 09.8817, DE = -02 31 14.627 [2] Star Magnitudes : G = 7.32 mag, RP = 6.44 mag, BP = 8.13 mag Object Magnitude : V = 19.39 mag Estimated Magnitude Drop : 12.1 mag Estimated Max. Duration : 0.4 sec Speed of the shadow : 3.9 km/s Object Mean Diameter : 1.60 km (src: astorb) => apparent = 2 mas Apparent Motion : 0.2850 arcs/min @ PA = 36 deg Horizontal Parallax : 7.8340 arcs Dynamical Class : MBA Elongation to Moon & Sun : 124° (sunlit = 65%), Sun = 128° Cross-track uncertainty : 18.3 mas = 14 km = 9.31 path-width (1-sig) RUWE and duplicate source : 1.03 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#32 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)