Triton (Neptune/1)

Neptune/1Planet SatelliteAtmosphere

event on 2017-10-05

1353.4

Radius (km)

—

Geometric albedo

Positive chords

Algeria, Morocco, Tunisia, United Kingdom, 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

Oblateness0

Axis ratios (b/a · c/a)—

Density (g/cm³)—

ShapeSpherical

Albedo (V)—

Orbit — top viewheliocentric

30.11

a (AU)

0.0086

1.768

i (deg)

Occultation record

Event date2017-10-05

Observed fromAlgeria, Morocco, Tunisia, United Kingdom, United States of America

Positive chords82

KindMain

Delta (au)29.082

Star G mag.12.5

Object G mag.13.46

Astrometryfeeds NIMA ephemeris

Position Date (JD)—

RA position—

Error RA·cos(δ) (mas)—

DEC position—

Error DEC (mas)—

Atmosphere

Pressure (nbar)1180

Atm. gasN2, CH4

Reference & provenance

Lucky Star projectYes

ReferenceJ. Marques Oliveira et al, A&A, 659, A136, 2022

DOI—

Linkhttp://sci.esa.int/gaia/60011-chasing-a-stellar-flash-with-assistance-from-gaia/

Comment—