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Occultation event

Triton (Neptune/1)

Neptune/1Planet SatelliteAtmosphere
event on 1997-07-18
1353.4
Radius (km)
0.719
Geometric albedo
1
Positive chords
Australia, United States of America
Observed from
Size — to scalevs Pluto
TRITON (NEPTUNE/1) · R 1353.4 KMPLUTO · R 1188 KM
Triton (Neptune/1) — this objectPluto — comparison
Physical properties
Radius eq. (km)> 1353.4 ± 0.9
Equivalent radius (km)1353.4 ± 0.9
Oblateness0 ± 0
Axis ratios (b/a · c/a)
Density (g/cm³)2.059 ± 0.005
ShapeSpherical
Albedo (V)0.719
Orbit — top viewheliocentric
Neptune 30 AU
30.11
a (AU)
0.0086
e
1.768
i (deg)
Occultation record
each line — one station saw the star vanish
Event date1997-07-18
Observed fromAustralia, United States of America
Positive chords1 // radius lower limit
KindAtmosphere
Delta (au)
Star G mag.
Object G mag.
Astrometryfeeds NIMA ephemeris
Position Date (JD)
RA position
Error RA·cos(δ) (mas)
DEC position
Error DEC (mas)
Atmosphere
Pressure (nbar)2230
Atm. gasN2
Reference & provenance
Lucky Star projectYes
ReferenceEliot et al., Icar, 2000
Comment
Triton (Neptune/1) occultation — 1997-07-18 · SOSB / Lucky Star