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Occultation event

Titania (Uranus/3)

Uranus/3Planet Satellite
event on 2001-09-08
788.4
Radius (km)
Geometric albedo
57
Positive chords
Aruba, Barbados, Ecuador, France, Morocco, Portugal, Spain, Trinidad and Tobago, Venezuela
Observed from
Size — to scalevs Pluto
TITANIA (URANUS/3) · R 788.4 KMPLUTO · R 1188 KM
Titania (Uranus/3) — this objectPluto — comparison
Physical properties
Radius eq. (km)788.4 ± 0.6
Equivalent radius (km)788.4 ± 0.6
Oblateness0
Axis ratios (b/a · c/a)
Density (g/cm³)1.711 ± 0.005
ShapeSpherical
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
19.191
a (AU)
0.0472
e
0.7699
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2001-09-08
Observed fromAruba, Barbados, Ecuador, France, Morocco, Portugal, Spain, Trinidad and Tobago, Venezuela
Positive chords57
KindSatellite
Delta (au)19.07
Star G mag.7.2
Object G mag.
Astrometryfeeds NIMA ephemeris
Position Date (JD)
RA position
Error RA·cos(δ) (mas)
DEC position
Error DEC (mas)
Atmosphere
Pressure (nbar)<8
Atm. gasCH4
Reference & provenance
Lucky Star projectNo
ReferenceWidemann et al., Icar, 2009
Comment27 chords used for the fit
Titania (Uranus/3) occultation — 2001-09-08 · SOSB / Lucky Star