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 (69917) 1998 TF on 2025-10-01 (20:08:11 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] : 9b59cd00-ddb8-11f0-547e-1792d75cfe55 [observed] Occultation Date + Time : 2025-10-01 at 20:08:11 UT +/- 0.01 min [1] Object Designation : (69917) 1998 TF Star Designation : GDR3 0108802417940829696 Star Coordinates (ICRF) : RA = 03 09 23.8583, DE = +21 42 54.325 [2] Star Magnitudes : G = 12.96 mag, RP = 12.28 mag, BP = 13.48 mag Object Magnitude : V = 17.86 mag Estimated Magnitude Drop : 4.9 mag Estimated Max. Duration : 1.2 sec Speed of the shadow : 5.6 km/s Object Mean Diameter : 7.0 km (src: astorb) => apparent = 5 mas Apparent Motion : 0.2450 arcs/min @ PA = 291 deg Horizontal Parallax : 4.6070 arcs Dynamical Class : MBA Elongation to Moon & Sun : 111° (sunlit = 68%), Sun = 138° Cross-track uncertainty : 1.0 mas = 1 km = 0.20 path-width (1-sig) RUWE and duplicate source : 0.95 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#57 Note : FP:true Object is a <TNOs are Cool> target ! [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)