Collaborative Occultation
Resources and Archive
CORA

Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (455452) 2003 SE307 on 2025-09-27 (23:29:39 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] : 76d755b0-ddb8-11f0-547e-f0075bbd1f6e [observed]

 Occultation Date + Time   : 2025-09-27 at 23:29:39 UT +/- 0.17 min  [1]
 Object Designation        : (455452) 2003 SE307
 Star Designation          : GDR3 0347871120955240960
 Star Coordinates (ICRF)   : RA = 01 45 51.7717, DE = +42 50 19.658  [2]
 Star Magnitudes           : G = 10.82 mag, RP = 10.47 mag, BP = 11.02 mag
 Object Magnitude          : V = 18.91 mag
 Estimated Magnitude Drop  : 8.1 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 8.1 km/s
 Object Mean Diameter      : 1.90 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.6067 arcs/min @ PA = 336 deg
 Horizontal Parallax       : 7.9760 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 141° (sunlit = 31%), Sun = 135°
 Cross-track uncertainty   : 34.3 mas = 27 km = 14.44 path-width (1-sig)
 RUWE and duplicate source : 0.92 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#35
 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 file

Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)