Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (51764) 2001 LR8 on 2023-08-20 (21:56:10 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] : 4a3a642a-26a4-4516-9166-a37ea33bf9b3 [observed]

 Occultation Date + Time   : 2023-08-20 at 21:56:10 UT +/- 0.03 min  [1]
 Object Designation        : (51764) 2001 LR8
 Star Designation          : GDR3 2685811966958547456
 Star Coordinates (ICRF)   : RA = 21 17 49.4900, DE = -01 27 52.894  [2]
 Star Magnitudes           : G = 12.21 mag, RP = 11.62 mag, BP = 12.64 mag
 Object Magnitude          : V = 18.89 mag
 Estimated Magnitude Drop  : 6.7 mag
 Estimated Max. Duration   : 0.4 sec
 Object Mean Diameter      : 5.6 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 14.2 km/s
 Elongation to Moon & Sun  : 123° (sunlit = 18%), Sun = 165°
 Cross-track uncertainty   : 5.3 mas = 9 km = 1.65 path-width (1-sig)
 RUWE and duplicate source : 0.78 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#39

 
 [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)