Collaborative Occultation Resources and Archive (CORA)

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

Stellar Occultation by (109759) 2001 RJ72 on 2023-08-04 (04:20:38 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] : ad9ceeb0-c339-11ef-5276-ac20f7efea7d [observed]

 Occultation Date + Time   : 2023-08-04 at 04:20:38 UT +/- 0.05 min  [1]
 Object Designation        : (109759) 2001 RJ72
 Star Designation          : GDR3 6897423774628077568
 Star Coordinates (ICRF)   : RA = 21 24 56.2707, DE = -08 42 46.967  [2]
 Star Magnitudes           : G = 10.55 mag, RP = 10.1 mag, BP = 10.83 mag
 Object Magnitude          : V = 18.86 mag
 Estimated Magnitude Drop  : 8.3 mag
 Estimated Max. Duration   : 0.3 sec
 Object Mean Diameter      : 3.7 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 10.8 km/s
 Elongation to Moon & Sun  : 27° (sunlit = 91%), Sun = 169°
 Cross-track uncertainty   : 19.7 mas = 26 km = 7.26 path-width (1-sig)
 RUWE and duplicate source : 0.88 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#31

 
 [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)