Collaborative Occultation Resources and Archive (CORA)


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

Stellar Occultation by (591) Irmgard on 2017-09-03 (00:17:37 UT)



Event Details
 Occultation UUID [and db] : 84a14bf1-e2c2-4208-a99f-664b62c83ab0 [observed]

 Occultation Date + Time   : 2017-09-03 at 00:17:37 UT +/- 0.0 min  [1]
 Object Designation        : (591) Irmgard
 Star Designation          : GDR3 2621898146309443072
 Star Coordinates (ICRF)   : RA = 22 37 23.4009, DE = -07 02 12.348  [2]
 Star Magnitudes           : G = 10.4 mag, RP = 9.99 mag, BP = 10.66 mag
 Object Magnitude          : V = 14.92 mag
 Estimated Magnitude Drop  : 4.5 mag
 Estimated Max. Duration   : 3.5 sec
 Object Mean Diameter      : 52 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 14.8 km/s
 Elongation to Moon & Sun  : 36° (sunlit = 89%), Sun = 177°
 Cross-track uncertainty   : 0.8 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 7.13 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#63

 
 [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)