Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (13759) 1998 SK123 on 2025-04-16 (02:30:30 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] : 764512b0-ddb6-11f0-547e-6daa68f398fd [observed]

 Occultation Date + Time   : 2025-04-16 at 02:30:30 UT +/- 0.01 min  [1]
 Object Designation        : (13759) 1998 SK123
 Star Designation          : GDR3 6254389826651635712
 Star Coordinates (ICRF)   : RA = 15 28 51.4253, DE = -20 21 36.170  [2]
 Star Magnitudes           : G = 11.67 mag, RP = 10.89 mag, BP = 12.32 mag
 Object Magnitude          : V = 19.66 mag
 Estimated Magnitude Drop  : 8.0 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 5.4 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.3400 arcs/min @ PA = 280 deg
 Horizontal Parallax       : 3.1240 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 6° (sunlit = 92%), Sun = 151°
 Cross-track uncertainty   : 1.3 mas = 2 km = 0.49 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#42
 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)