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

Stellar Occultation by (108844) 2001 OA91 on 2024-11-01 (22:13:48 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] : 97e016f0-ddb5-11f0-547e-06dafdfbff3e [observed]

 Occultation Date + Time   : 2024-11-01 at 22:13:48 UT +/- 0.05 min  [1]
 Object Designation        : (108844) 2001 OA91
 Star Designation          : GDR3 3169857182105435264
 Star Coordinates (ICRF)   : RA = 07 24 15.2926, DE = +17 18 54.888  [2]
 Star Magnitudes           : G = 12.56 mag, RP = 11.83 mag, BP = 13.15 mag
 Object Magnitude          : V = 20.37 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.2 sec
 Speed of the shadow       : 7.7 km/s
 Object Mean Diameter      : 1.80 km  (src: astorb) => apparent = 1 mas
 Apparent Motion           : 0.3783 arcs/min @ PA = 114 deg
 Horizontal Parallax       : 5.2310 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 114° (sunlit = 0%), Sun = 110°
 Cross-track uncertainty   : 15.3 mas = 18 km = 10.36 path-width (1-sig)
 RUWE and duplicate source : 1.15 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#34
 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)