Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (8090) 1991 RO23 on 2021-03-05 (19:25:37 UT)



Event Details
 Occultation UUID [and db] : a1bea043-c4f0-412b-bfa4-0f4ea71a432c [observed]

 Occultation Date + Time   : 2021-03-05 at 19:25:37 UT +/- 0.02 min  [1]
 Object Designation        : (8090) 1991 RO23
 Star Designation          : GDR3 0219516744870309760
 Star Coordinates (ICRF)   : RA = 04 01 36.0845, DE = +36 30 51.549  [2]
 Star Magnitudes           : G = 13.65 mag, RP = 13.05 mag, BP = 14.08 mag
 Object Magnitude          : V = 18.48 mag
 Estimated Magnitude Drop  : 4.8 mag
 Estimated Max. Duration   : 0.5 sec
 Object Mean Diameter      : 10 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 21.9 km/s
 Elongation to Moon & Sun  : 163° (sunlit = 53%), Sun = 81°
 Cross-track uncertainty   : 3.7 mas = 8 km = 0.82 path-width (1-sig)
 RUWE and duplicate source : 0.97 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#58

 
 [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)