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

Stellar Occultation by (169877) 2002 RC129 on 2025-09-27 (02:40:56 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] : 746c9740-ddb8-11f0-547e-a857bf7bcf69 [observed]

 Occultation Date + Time   : 2025-09-27 at 02:40:56 UT +/- 0.05 min  [1]
 Object Designation        : (169877) 2002 RC129
 Star Designation          : GDR3 0328896676994477824
 Star Coordinates (ICRF)   : RA = 02 03 42.7709, DE = +34 00 41.017  [2]
 Star Magnitudes           : G = 13.57 mag, RP = 13.14 mag, BP = 13.84 mag
 Object Magnitude          : V = 18.04 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 9.2 km/s
 Object Mean Diameter      : 3.6 km  (src: astorb) => apparent = 4 mas
 Apparent Motion           : 0.5883 arcs/min @ PA = 326 deg
 Horizontal Parallax       : 6.7670 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 154° (sunlit = 24%), Sun = 139°
 Cross-track uncertainty   : 10.0 mas = 9 km = 2.62 path-width (1-sig)
 RUWE and duplicate source : 1.12 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL40
 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)