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CONFIRMED EXOPLANET · Gas giant

bet Pic b

bet Pic b orbits the star bet Pic, 64.4 light-years from Earth. It completes an orbit in 8,682 Earth days.

DISCOVERED 2008 · Imaging

Get to know this world ↓
bet Pic b
ORBITAL VISUALISATION
Gas giantPlanet type

Size-based classification; composition may be uncertain.

18.49 × Earth’s radiusSize

Around 1,749% wider than Earth.

8,682 daysYear length

Time to complete one orbit.

64.4 light-yearsDistance

Its light travels for roughly 64 years to reach us.

2008Discovered

Imaging

Overview

bet Pic b is one of the confirmed worlds in the NASA Exoplanet Archive. Recorded as discovered in 2008. The credited discovery facility is Paranal Observatory. Its Imaging evidence gives us a way to study a planet that is usually too faint to see directly.

Its recorded radius is 18.49 times Earth's radius. Size is useful for comparison, but it cannot establish surface conditions by itself.

The planet

The archive lists a mass or minimum-mass value of 2,765.11 Earth masses (Mass). Radius: 18.49 Earth radii.

Mass and radius constrain possible interiors; multiple compositions can fit a given set of measurements.

Orbit & year

A year here lasts 8,682 Earth days. Its recorded semi-major axis is 10.07 AU. One AU is roughly the Earth–Sun distance.

Eccentricity: 0.105. Zero describes a circular orbit; increasing values describe more elongated ellipses.

Host star

bet Pic · A6 V.

Effective temperature: 8,039 K.

Mass: 1.79 times the Sun’s mass.

Planetary system

3 confirmed planets are stored for this star.

bet Pic c · 1,202-day orbit

bet Pic b · 8,682-day orbit

bet Pic d · 33,200-day orbit

Discovery

Reported discovery year: 2008. Method: Imaging. Facility: Paranal Observatory.

First stored in this atlas: 04/10/2026. This is an ingestion date, not a confirmation date.

How these methods work ↗

Potential habitability

The data here does not establish habitability, liquid water, or life. An appropriate atmosphere and many other conditions would be needed.

The listed equilibrium temperature is 1,612 K. This is an estimated energy-balance temperature, not a measured surface temperature.

Understand the habitable zone ↗

What do we actually know?

Observed

The underlying light, motion or timing signal. Usually not a photograph of the planet.

Measured

Parameters derived from observations, with instrument and model uncertainty.

Calculated

Our light-year conversion and browsing class are calculated from archive values.

Estimated

Equilibrium temperature is an energy-balance estimate, not surface weather.

Inferred

Possible composition depends on models and may not be unique.

Unknown

Surface conditions and the presence of life are not established here.

Measured signals are interpreted through models. The archive’s composite table combines published values and may include calculated estimates. Values do not necessarily form one self-consistent solution.

Radius and mass can be estimated or inferred, orbital period comes from recurring observations, and size classification is calculated by this site. Atmospheric and surface conditions remain unknown unless established by specific observations.

Consult the archive for individual parameter references and uncertainty intervals before scientific use.

Scientific data

Radius18.49485 Earth radii
Mass / minimum mass2,765.10714 Earth masses (Mass)
Orbital period8,682 Earth days
Semi-major axis10.07 AU
Eccentricity0.105
Equilibrium temperature1,612 K · estimated, not surface temperature
Host star temperature8,038.68 K
Host star mass1.789 Solar masses
Host star radius1.54416 Solar radii
Distance19.7442 parsecs
Discovery year2,008
Discovery methodImaging
Discovery facilityParanal Observatory
Discovery publication2009-01
Stellar spectral typeA6 V

Uncertainties and parameter provenance

Archive uncertainty ranges and published references, where available. A missing uncertainty does not imply an exact value.

ParameterUncertainty / source
Radius+0.67254 / -0.67254Currie et al. 2013
Mass / minimum mass+826.35386 / -794.57102Sutlieff et al. 2026
Orbital period+55 / -58Sutlieff et al. 2026
Equilibrium temperature+38 / -38Currie et al. 2013

Sources

NASA Exoplanet Archive · Planetary Systems Composite Parameters (PSCompPars).

Open the scientific archive record ↗

Last changed in this atlas: 04/10/2026, 11:39:41. Read our methodology.

Spotted something wrong? Report an error ↗

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