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

Stellar Occultation by (76) Freia on 2024-08-29 (21:41:42 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] : 64b29690-ddb5-11f0-547e-85dd4d2e9ddd [observed]

 Occultation Date + Time   : 2024-08-29 at 21:41:42 UT +/- 0.02 min  [1]
 Object Designation        : (76) Freia
 Star Designation          : GDR3 6874787785154627712
 Star Coordinates (ICRF)   : RA = 20 27 26.7879, DE = -16 25 44.267  [2]
 Star Magnitudes           : G = 13.57 mag, RP = 12.52 mag, BP = 13.35 mag
 Object Magnitude          : V = 13.8 mag
 Estimated Magnitude Drop  : 0.9 mag
 Estimated Max. Duration   : 16.5 sec
 Speed of the shadow       : 11.2 km/s
 Object Mean Diameter      : 183.7 km  (src: astorb) => apparent = 86 mas
 Apparent Motion           : 0.3150 arcs/min @ PA = 252 deg
 Horizontal Parallax       : 3.0000 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 163° (sunlit = 16%), Sun = 148°
 Cross-track uncertainty   : 4.3 mas = 9 km = 0.05 path-width (1-sig)
 RUWE and duplicate source : 41.14 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#97
 Note                      : FP:true

 Object is a <Gaia mass determination> target !

 [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)