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

Stellar Occultation by (74789) 1999 SY5 on 2024-12-22 (04:05:59 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] : c6f96ea0-ddb5-11f0-547e-9574cdefd77e [observed]

 Occultation Date + Time   : 2024-12-22 at 04:05:59 UT +/- 0.01 min  [1]
 Object Designation        : (74789) 1999 SY5
 Star Designation          : GDR3 3060600365220972928
 Star Coordinates (ICRF)   : RA = 07 27 45.5230, DE = -03 10 01.362  [2]
 Star Magnitudes           : G = 13.73 mag, RP = 13.23 mag, BP = 13.93 mag
 Object Magnitude          : V = 16.22 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 0.5 sec
 Speed of the shadow       : 9.6 km/s
 Object Mean Diameter      : 4.6 km  (src: astorb) => apparent = 7 mas
 Apparent Motion           : 0.9133 arcs/min @ PA = 321 deg
 Horizontal Parallax       : 10.1200 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 62° (sunlit = 57%), Sun = 146°
 Cross-track uncertainty   : 4.4 mas = 2 km = 0.60 path-width (1-sig)
 RUWE and duplicate source : 25.0 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52
 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)