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

Stellar Occultation by (30787) 1988 RC on 2025-11-18 (23:29:06 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] : ba7de860-ddb8-11f0-547e-aa5b6badc06a [observed]

 Occultation Date + Time   : 2025-11-18 at 23:29:06 UT +/- 0.0 min  [1]
 Object Designation        : (30787) 1988 RC
 Star Designation          : GDR3 3403686613429315968
 Star Coordinates (ICRF)   : RA = 05 30 13.5133, DE = +21 24 11.399  [2]
 Star Magnitudes           : G = 13.82 mag, RP = 13.03 mag, BP = 14.48 mag
 Object Magnitude          : V = 17.59 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 0.6 sec
 Speed of the shadow       : 11.0 km/s
 Object Mean Diameter      : 6.4 km  (src: astorb) => apparent = 5 mas
 Apparent Motion           : 0.5300 arcs/min @ PA = 243 deg
 Horizontal Parallax       : 5.1140 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 139° (sunlit = 2%), Sun = 154°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.02 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58
 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)