Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (28938) 2000 SR311 on 2023-10-09 (02:11:07 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] : 71f033be-3241-4df3-8450-722cb88e28e5 [observed]

 Occultation Date + Time   : 2023-10-09 at 02:11:07 UT +/- 0.05 min  [1]
 Object Designation        : (28938) 2000 SR311
 Star Designation          : GDR3 0332639586375849728
 Star Coordinates (ICRF)   : RA = 02 07 34.4002, DE = +39 19 24.351  [2]
 Star Magnitudes           : G = 12.92 mag, RP = 12.42 mag, BP = 13.25 mag
 Object Magnitude          : V = 16.84 mag
 Estimated Magnitude Drop  : 4.0 mag
 Estimated Max. Duration   : 1.3 sec
 Object Mean Diameter      : 11.9 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 9.1 km/s
 Elongation to Moon & Sun  : 88° (sunlit = 27%), Sun = 143°
 Cross-track uncertainty   : 2.3 mas = 3 km = 0.28 path-width (1-sig)
 RUWE and duplicate source : 1.01 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#45

 
 [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)