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Stellar Occultation by (20716) 1999 XG91 on 2025-02-04 (21:43:10 UT)

Stellar Occultation by (20716) 1999 XG91 on 2025-02-04 (21:43:10 UT)https://astro.kretlow.de/cora/occultations/c1dfa900-8b5b-11ef-78cd-598affb7f05c

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] : c1dfa900-8b5b-11ef-78cd-598affb7f05c [asteroids]

 Occultation Date + Time   : 2025-02-04 at 21:43:10 UT +/- 0.05 min  [1]
 Object Designation        : (20716) 1999 XG91
 Star Designation          : GDR3 0745609694135561728
 Star Coordinates (ICRF)   : RA = 10 09 32.1341, DE = +31 35 12.908  [2]
 Star Magnitudes           : G = 9.36 mag, RP = 9.05 mag, BP = 9.53 mag
 Object Magnitude          : V = 18.89 mag
 Estimated Magnitude Drop  : 9.5 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 17.0 km  (src: astorb)
 Orbital Class             : JTRO
 Speed of the shadow       : 19.5 km/s
 Elongation to Moon & Sun  : 100° (sunlit = 45%), Sun = 160°
 Cross-track uncertainty   : 0.3 mas = 1 km = 0.06 path-width (1-sig)
 RUWE and duplicate source : 1.06 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#46

 
 [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
Occ by (20716) 1999 XG91 on 2025-02-04
Star = 9.36 G, Drop = 9.53 mag, Dur = 0.87 sec
RA = 10 09 32.1341, DE = +31 35 12.908 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
10 09 32.134 +31 35 12.91
FoV: 29.96'
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