Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (31736) 1999 JR73 on 2025-04-22 (01:15:23 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] : 7dcbcce0-ddb6-11f0-547e-81d5bbdf9015 [observed]

 Occultation Date + Time   : 2025-04-22 at 01:15:23 UT +/- 0.01 min  [1]
 Object Designation        : (31736) 1999 JR73
 Star Designation          : GDR3 6316990418098769408
 Star Coordinates (ICRF)   : RA = 15 37 58.9612, DE = -09 53 57.511  [2]
 Star Magnitudes           : G = 12.4 mag, RP = 11.67 mag, BP = 12.98 mag
 Object Magnitude          : V = 19.02 mag
 Estimated Magnitude Drop  : 6.6 mag
 Estimated Max. Duration   : 0.4 sec
 Speed of the shadow       : 11.6 km/s
 Object Mean Diameter      : 4.8 km  (src: astorb) => apparent = 3 mas
 Apparent Motion           : 0.4350 arcs/min @ PA = 303 deg
 Horizontal Parallax       : 3.9810 arcs
 Dynamical Class           : MBA
 Elongation to Moon & Sun  : 80° (sunlit = 40%), Sun = 156°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.33 path-width (1-sig)
 RUWE and duplicate source : 1.24 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51
 Note                      : FP:true

 
 [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

Download KMZ file

Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)