Collaborative Occultation
Resources and Archive
CORA

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

Stellar Occultation by (364) Isara on 2023-09-07 (20:56:21 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] : 77056430-ddb0-11f0-547e-af60c5771960 [observed]

 Occultation Date + Time   : 2023-09-07 at 20:56:21 UT +/- 0.01 min  [1]
 Object Designation        : (364) Isara
 Star Designation          : GDR3 4053200979946650112
 Star Coordinates (ICRF)   : RA = 18 20 45.1328, DE = -25 07 11.395  [2]
 Star Magnitudes           : G = 13.66 mag, RP = 12.5 mag, BP = 15.05 mag
 Object Magnitude          : V = 14.16 mag
 Estimated Magnitude Drop  : 1.0 mag
 Estimated Max. Duration   : 4.4 sec
 Speed of the shadow       : 6.4 km/s
 Object Mean Diameter      : 28.0 km  (src: astorb) => apparent = 21 mas
 Apparent Motion           : 0.2917 arcs/min @ PA = 100 deg
 Horizontal Parallax       : 4.8810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 171° (sunlit = 40%), Sun = 110°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.87 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#107
 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)