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Occultation event

Titan (Saturn/6)

Saturn/6Planet SatelliteOther
event on 1989-07-03
2574.73
Radius (km)
0.2
Geometric albedo
400
Positive chords
Israel
Observed from
Size — to scalevs Pluto
TITAN (SATURN/6) · R 2574.73 KMPLUTO · R 1188 KM
Titan (Saturn/6) — this objectPluto — comparison
Physical properties
Radius eq. (km)2574.73 ± 0.09
Equivalent radius (km)2574.73 ± 0.09
Oblateness0 ± 0
Axis ratios (b/a · c/a)
Density (g/cm³)1.882 ± 0.001
ShapeSpherical
Albedo (V)0.2
Orbit — top viewheliocentric
Neptune 30 AU
9.537
a (AU)
0.0541
e
24.845
i (deg)
Occultation record
each line — one station saw the star vanish
Event date1989-07-03
Observed fromIsrael
Positive chords400
KindSatellite
Delta (au)9.5
Star G mag.5.5
Object G mag.8.5
Astrometryfeeds NIMA ephemeris
Position Date (JD)
RA position
Error RA·cos(δ) (mas)
DEC position
Error DEC (mas)
Atmosphere
Pressure (nbar)
Atm. gasN2
Reference & provenance
Lucky Star projectNo
ReferenceSicardy et al., Nature, 1990
CommentCentral flash detected. See also Hubbard et al. A&A, 1993 and Herald et al., JOA, 2018 (http://www.iota-es.de/JOA/JOA2018_2.pdf)
Titan (Saturn/6) occultation — 1989-07-03 · SOSB / Lucky Star