Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (282198) 2001 UM166 on 2023-08-19 (21:36:55 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] : baa1bfa2-d670-44e9-8358-58870a23720e [observed]

 Occultation Date + Time   : 2023-08-19 at 21:36:55 UT +/- 0.1 min  [1]
 Object Designation        : (282198) 2001 UM166
 Star Designation          : GDR3 2671285769087860608
 Star Coordinates (ICRF)   : RA = 21 37 10.8118, DE = -05 29 57.095  [2]
 Star Magnitudes           : G = 13.9 mag, RP = 13.36 mag, BP = 14.27 mag
 Object Magnitude          : V = 19.6 mag
 Estimated Magnitude Drop  : 5.7 mag
 Estimated Max. Duration   : 0.6 sec
 Object Mean Diameter      : 10.0 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 16.3 km/s
 Elongation to Moon & Sun  : 139° (sunlit = 11%), Sun = 172°
 Cross-track uncertainty   : 13.7 mas = 41 km = 4.18 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#26

 
 [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)