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

Stellar Occultation by (77) Frigga on 2025-04-21 (19:34:33 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] : 8197f010-ddb6-11f0-547e-0bc1ffeda324 [observed]

 Occultation Date + Time   : 2025-04-21 at 19:34:33 UT +/- 0.0 min  [1]
 Object Designation        : (77) Frigga
 Star Designation          : GDR3 0868070344301213184
 Star Coordinates (ICRF)   : RA = 07 35 26.7739, DE = +23 25 02.730  [2]
 Star Magnitudes           : G = 10.0 mag, RP = 9.3 mag, BP = 10.54 mag
 Object Magnitude          : V = 13.66 mag
 Estimated Magnitude Drop  : 3.7 mag
 Estimated Max. Duration   : 3.0 sec
 Speed of the shadow       : 23.1 km/s
 Object Mean Diameter      : 69.2 km  (src: astorb) => apparent = 38 mas
 Apparent Motion           : 0.7683 arcs/min @ PA = 102 deg
 Horizontal Parallax       : 3.5350 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 161° (sunlit = 42%), Sun = 80°
 Cross-track uncertainty   : 0.7 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 0.85 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#118
 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)