Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (256) Walpurga on 2024-08-11 (01:17:28 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] : b8efcd40-c353-11ef-5276-a6449f8f79a3 [observed]

 Occultation Date + Time   : 2024-08-11 at 01:17:28 UT +/- 0.0 min  [1]
 Object Designation        : (256) Walpurga
 Star Designation          : GDR3 3296126819720545280
 Star Coordinates (ICRF)   : RA = 04 53 12.4799, DE = +12 36 05.000  [2]
 Star Magnitudes           : G = 13.65 mag, RP = 12.9 mag, BP = 14.27 mag
 Object Magnitude          : V = 16.06 mag
 Estimated Magnitude Drop  : 2.5 mag
 Estimated Max. Duration   : 2.3 sec
 Object Mean Diameter      : 63 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 28.2 km/s
 Elongation to Moon & Sun  : 136° (sunlit = 35%), Sun = 66°
 Cross-track uncertainty   : 0.3 mas = 0 km = 0.01 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#72

 
 [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)