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Stellar Occultation by (1108) Demeter on 2025-02-21 (19:21:55 UT)

Stellar Occultation by (1108) Demeter on 2025-02-21 (19:21:55 UT)https://astro.kretlow.de/cora/occultations/48e3e210-86c8-11ef-78cd-4d4affa34c94

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] : 48e3e210-86c8-11ef-78cd-4d4affa34c94 [asteroids]

 Occultation Date + Time   : 2025-02-21 at 19:21:55 UT +/- 0.0 min  [1]
 Object Designation        : (1108) Demeter
 Star Designation          : GDR3 0072812722303722496
 Star Coordinates (ICRF)   : RA = 02 25 40.8140, DE = +12 06 24.269  [2]
 Star Magnitudes           : G = 11.27 mag, RP = 10.75 mag, BP = 11.62 mag
 Object Magnitude          : V = 17.12 mag
 Estimated Magnitude Drop  : 5.9 mag
 Estimated Max. Duration   : 0.9 sec
 Object Mean Diameter      : 25.6 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 30.2 km/s
 Elongation to Moon & Sun  : 142° (sunlit = 40%), Sun = 65°
 Cross-track uncertainty   : 0.2 mas = 0 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.07 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#55

 
 [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 (1108) Demeter on 2025-02-21
Star = 11.27 G, Drop = 5.86 mag, Dur = 0.85 sec
RA = 02 25 40.8140, DE = +12 06 24.269 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
02 25 40.814 +12 06 24.27
FoV: 29.96'
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