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Stellar Occultation by (909) Ulla on 2025-02-02 (23:38:07 UT)

Stellar Occultation by (909) Ulla on 2025-02-02 (23:38:07 UT)https://astro.kretlow.de/cora/occultations/7a2f12b0-866c-11ef-78cd-4deafffeb1cb

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] : 7a2f12b0-866c-11ef-78cd-4deafffeb1cb [asteroids]

 Occultation Date + Time   : 2025-02-02 at 23:38:07 UT +/- 0.02 min  [1]
 Object Designation        : (909) Ulla
 Star Designation          : GDR3 3319111934207601664
 Star Coordinates (ICRF)   : RA = 06 10 26.2267, DE = +06 44 16.080  [2]
 Star Magnitudes           : G = 14.52 mag, RP = 14.11 mag, BP = 14.78 mag
 Object Magnitude          : V = 14.34 mag
 Estimated Magnitude Drop  : 0.7 mag
 Estimated Max. Duration   : 10.3 sec
 Object Mean Diameter      : 116.4 km  (src: astorb)
 Orbital Class             : MBA
 Speed of the shadow       : 11.3 km/s
 Elongation to Moon & Sun  : 80° (sunlit = 24%), Sun = 136°
 Cross-track uncertainty   : 1.0 mas = 1 km = 0.02 path-width (1-sig)
 RUWE and duplicate source : 1.05 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#133

 
 [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 (909) Ulla on 2025-02-02
Star = 14.52 G, Drop = 0.67 mag, Dur = 10.32 sec
RA = 06 10 26.2267, DE = +06 44 16.080 (t0)
+−
↦km
Unavailable
100 km
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Aladin Sky Atlas
06 10 26.227 +06 44 16.08
FoV: 29.96'
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