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

Stellar Occultation by (29915) 1999 JG18 on 2025-12-29 (23:08:20 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] : df3ec270-d996-11f1-43f3-89daf75ee8b6 [observed]

 Occultation Date + Time   : 2025-12-29 at 23:08:20 UT +/- 0.01 min  [1]
 Object Designation        : (29915) 1999 JG18
 Star Designation          : GDR3 3456168296288052736
 Star Coordinates (ICRF)   : RA = 05 50 15.2753, DE = +37 03 51.997  [2]
 Star Magnitudes           : G = 12.92 mag, RP = 12.28 mag, BP = 13.4 mag
 Object Magnitude          : V = 17.55 mag
 Estimated Magnitude Drop  : 4.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 10.5 km/s
 Object Mean Diameter      : 5.1 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5650 arcs/min @ PA = 271 deg
 Horizontal Parallax       : 5.7170 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 51° (sunlit = 74%), Sun = 163°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.15 path-width (1-sig)
 RUWE and duplicate source : 0.94 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL58
 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
Loading sky atlas…
Aladin Lite direct link (has Gaia overlay)