Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (4484) Sif on 2024-12-06 (18:59:29 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] : 5397b8b0-89db-11ef-78cd-f571d7fa1fdf [asteroids]

 Occultation Date + Time   : 2024-12-06 at 18:59:29 UT +/- 0.0 min  [1]
 Object Designation        : (4484) Sif
 Star Designation          : GDR3 3384282810178821504
 Star Coordinates (ICRF)   : RA = 06 31 05.2565, DE = +26 06 18.557  [2]
 Star Magnitudes           : G = 13.34 mag, RP = 12.87 mag, BP = 13.63 mag
 Object Magnitude          : V = 15.79 mag
 Estimated Magnitude Drop  : 2.6 mag
 Estimated Max. Duration   : 1.4 sec
 Object Mean Diameter      : 21 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 15.0 km/s
 Elongation to Moon & Sun  : 135° (sunlit = 30%), Sun = 158°
 Cross-track uncertainty   : 0.7 mas = 0 km = 0.03 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#52

 
 [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



Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)