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Stellar Occultation by (6421) 1993 XS1 on 2023-08-23 (21:16:18 UT)

Stellar Occultation by (6421) 1993 XS1 on 2023-08-23 (21:16:18 UT)https://astro.kretlow.de/cora/occultations/59f85bbb-4e09-4191-8975-b227ef6048ff

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] : 59f85bbb-4e09-4191-8975-b227ef6048ff [observed]

 Occultation Date + Time   : 2023-08-23 at 21:16:18 UT +/- 0.04 min  [1]
 Object Designation        : (6421) 1993 XS1
 Star Designation          : GDR3 6867368280689042176
 Star Coordinates (ICRF)   : RA = 19 57 33.7082, DE = -18 51 22.837  [2]
 Star Magnitudes           : G = 11.14 mag, RP = 10.57 mag, BP = 11.53 mag
 Object Magnitude          : V = 17.13 mag
 Estimated Magnitude Drop  : 6.0 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 6.9 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 7.4 km/s
 Elongation to Moon & Sun  : 64° (sunlit = 45%), Sun = 147°
 Cross-track uncertainty   : 1.3 mas = 1 km = 0.21 path-width (1-sig)
 RUWE and duplicate source : 1.36 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#54

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
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Interactive map
Occ by (6421) 1993 XS1 on 2023-08-23
Star = 11.14 G, Drop = 6.0 mag, Dur = 0.93 sec
RA = 19 57 33.7082, DE = -18 51 22.837 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
19 57 33.708 -18 51 22.84
FoV: 29.96'
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