Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (27992) 1997 VR7 on 2023-09-27 (21:06:53 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] : 7f9202ac-6c2d-47b6-845c-0654c21dfe2b [observed]

 Occultation Date + Time   : 2023-09-27 at 21:06:53 UT +/- 0.03 min  [1]
 Object Designation        : (27992) 1997 VR7
 Star Designation          : GDR3 2427384231434501632
 Star Coordinates (ICRF)   : RA = 00 32 31.3419, DE = -07 47 20.820  [2]
 Star Magnitudes           : G = 13.09 mag, RP = 12.63 mag, BP = 13.38 mag
 Object Magnitude          : V = 16.93 mag
 Estimated Magnitude Drop  : 3.9 mag
 Estimated Max. Duration   : 0.8 sec
 Object Mean Diameter      : 9.2 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 12.3 km/s
 Elongation to Moon & Sun  : 22° (sunlit = 96%), Sun = 170°
 Cross-track uncertainty   : 8.3 mas = 11 km = 1.25 path-width (1-sig)
 RUWE and duplicate source : 0.95 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#50

 
 [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)