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Stellar Occultation by (25581) 1999 XD221 on 2023-10-17 (20:19:22 UT)

Stellar Occultation by (25581) 1999 XD221 on 2023-10-17 (20:19:22 UT)https://astro.kretlow.de/cora/occultations/dfe02913-760e-470a-b47a-7154863cc73a

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] : dfe02913-760e-470a-b47a-7154863cc73a [observed]

 Occultation Date + Time   : 2023-10-17 at 20:19:22 UT +/- 0.16 min  [1]
 Object Designation        : (25581) 1999 XD221
 Star Designation          : GDR3 2693643066728483968
 Star Coordinates (ICRF)   : RA = 21 46 22.2718, DE = +01 58 02.251  [2]
 Star Magnitudes           : G = 14.15 mag, RP = 13.55 mag, BP = 14.58 mag
 Object Magnitude          : V = 17.96 mag
 Estimated Magnitude Drop  : 3.8 mag
 Estimated Max. Duration   : 1.5 sec
 Object Mean Diameter      : 7.5 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 5.1 km/s
 Elongation to Moon & Sun  : 90° (sunlit = 10%), Sun = 124°
 Cross-track uncertainty   : 5.7 mas = 8 km = 1.13 path-width (1-sig)
 RUWE and duplicate source : 0.96 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#51

 
 [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 (25581) 1999 XD221 on 2023-10-17
Star = 14.15 G, Drop = 3.84 mag, Dur = 1.46 sec
RA = 21 46 22.2718, DE = +01 58 02.251 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
21 46 22.272 +01 58 2.25
FoV: 29.96'
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