Collaborative Occultation
Resources and Archive
CORA

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

Stellar Occultation by (1844) Susilva on 2025-12-15 (21:00:07 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] : dc68ebf0-ddb8-11f0-547e-b600f79f1eb1 [observed]

 Occultation Date + Time   : 2025-12-15 at 21:00:07 UT +/- 0.0 min  [1]
 Object Designation        : (1844) Susilva
 Star Designation          : GDR3 3422807322497631744
 Star Coordinates (ICRF)   : RA = 05 58 30.2989, DE = +19 51 29.427  [2]
 Star Magnitudes           : G = 11.95 mag, RP = 11.53 mag, BP = 12.21 mag
 Object Magnitude          : V = 15.27 mag
 Estimated Magnitude Drop  : 3.4 mag
 Estimated Max. Duration   : 1.5 sec
 Speed of the shadow       : 13.6 km/s
 Object Mean Diameter      : 20.6 km  (src: astorb) => apparent = 14 mas
 Apparent Motion           : 0.5583 arcs/min @ PA = 284 deg
 Horizontal Parallax       : 4.3780 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 128° (sunlit = 15%), Sun = 173°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 0.93 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#81
 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)