Collaborative Occultation Resources and Archive (CORA)


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

Stellar Occultation by (305) Gordonia on 2018-07-23 (21:02:21 UT)



Event Details
 Occultation UUID [and db] : f91cb895-d9ad-493e-8ec0-a80aed8c9d67 [observed]

 Occultation Date + Time   : 2018-07-23 at 21:02:21 UT +/- 0.01 min  [1]
 Object Designation        : (305) Gordonia
 Star Designation          : GDR3 4099702242888982400
 Star Coordinates (ICRF)   : RA = 18 35 42.1951, DE = -17 18 52.197  [2]
 Star Magnitudes           : G = 12.69 mag, RP = 12.29 mag, BP = 12.94 mag
 Object Magnitude          : V = 14.4 mag
 Estimated Magnitude Drop  : 1.9 mag
 Estimated Max. Duration   : 3.7 sec
 Object Mean Diameter      : 49 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 13.2 km/s
 Elongation to Moon & Sun  : 21° (sunlit = 86%), Sun = 157°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.04 path-width (1-sig)
 RUWE and duplicate source : 0.76 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#79

 
 [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)