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Entering orbit…
Habitability
16/ 100
Uninhabitable
bet Pic b rendered in TerraForge from its measured mass, orbit and star

bet Pic b

Also written bet Picb

Gas Giant64 light years awayFound 2008
Mass
2770.00 × Earth
Radius
18.50 × Earth
Gravity
8.09 g
Surface (est.)
152 K
Year
23.8 years
From Earth
64.3 ly
Mass
2770.00 × Earth
Radius
18.50 × Earth
Gravity
8.09 g
Surface (est.)
152 K
Year
23.8 years
From Earth
64.3 ly

bet Pic system

Type
A-type (Blue-White)
Spectral type
A6 V
Temperature
8,039 K
Radius
1.54 ☉
Mass
1.79 ☉
Planets
4
Luminosity
8.97 ☉

Published by the NASA Exoplanet Archive. This world’s temperature and habitability score are computed from this star’s measured luminosity, not from a stand-in for its class.

bet Pic c2.70 AU2,770 M⊕
beta Pic b9.93 AU3,780 M⊕
bet Pic b10.10 AUYou are here2,770 M⊕
bet Pic d26.00 AU763 M⊕
Habitable zone

Star and planets drawn to scale: the star is 9.1 times as wide as bet Pic b, so only its edge is in view. Orbits spaced as in the star system view.

Estimated: this planet doesn't transit its star, so its size is inferred, not measured

bet Pic b, from the NASA Exoplanet Archive (found 2008). Measured: 2770 Earth masses, 10.1 AU, a 8039 K A-type star. Composition inferred from a mass of 2770 Earths, which is giant territory whatever its 0.44x density suggests, with an assumed 24-hour day — rotation cannot be measured for exoplanets. Note: TerraForge comes out at 152 K against the archive's 1612 K, because it models stars by spectral class, and bet Pic is not an average A-type.

Surface. No solid surface - thick gaseous envelope with possible rocky core deep within

Gas Giant
Magnetic FieldExtreme Activity
bet Pic b has 86.0% hydrogen and helium, combined with a mass of 2770.0x Earth, which exceeds the gas giant threshold.
Gas giants form when massive cores capture enormous atmospheres of light gases. They typically form beyond the 'frost line' where volatiles can condense.
Classification Criteria:
✓ Hydrogen + Helium: 86.0% (>60% required)✓ Mass: 2770.0x Earth (>10x required)

Reading bet Pic b’s atmosphere

Dominant elements: H, He, O, C, NThis is what a telescope would measure while bet Pic b crosses in front of its star: starlight passes through the atmosphere and spreads into a rainbow band. Each dark line marks a wavelength the atmosphere absorbed.Every element absorbs its own signature wavelengths — hydrogen always darkens the same two spots, calcium another pair, and so on. Astronomers match the lines in a real spectrum against a library of these signatures to say what an atmosphere is made of, light-years away, without ever visiting. A deeper line generally means more of that element is present.bet Pic b sits about 64 light-years away, found by the imaging method. Most catalogued distances trace back to parallax: as Earth orbits the Sun, a nearby star appears to shift very slightly against the distant background stars, and the size of that shift gives its distance directly.
Further reading
ExoplanetsSara Seager (editor)The field's standard reference: how planets are found, how they form, and what their atmospheres are made of.The Planet FactoryElizabeth TaskerHow planets are made, and why so few of them come out like Earth.Exoplanets: Diamond Worlds, Super Earths, Pulsar PlanetsMichael Summers & James TrefilThe strange end of the catalogue — carbon worlds, molten rock, planets orbiting dead stars.The Little Book of ExoplanetsJoshua WinnHow these worlds are found, and what a measurement can honestly tell us.
As an Amazon Associate I earn from qualifying purchases — if you buy through these links, TerraForge may receive a small commission at no extra cost to you.
Habitability ScoreUninhabitable
16
Contributing Factors
temperature15
Very cold - water frozen, challenging for life
atmosphere30

Hydrogen and helium dominated with trace methane and ammonia

Hydrogen-rich atmosphere typical of gas giants
water15
No solid surface — any water is locked in a supercritical mantle and hot ice, not oceans
magnetic Field100
Magnetic field provides radiation protection
geology40
Extreme volcanic activity may be hazardous
Organic Chemistry80
Core organic elements (CHNO) present
rotation100
Optimal rotation period - balanced day/night cycle, moderate weather, and good heat distribution

Physical Properties

Mass
2770.00x Earth (1.65e+28 kg)
Radius
14.04x Earth (89,475 km)
This planet: 14.04× Earth radiusEarth: 1× (baseline)
Surface Gravity
14.04x Earth (137.8 m/s²)
Surface Temperature
152 K (-121 °C / -187 °F)
Rotation Period
24.0 hours/day
This planet: 24 h/dayEarth: 24 h/day

Elemental Composition

A dark ringed planet hanging over the horizon of a rocky moon, its rings lit by a distant sun

New: Stand on Your Moons 🌒

A planet's surface view isn't the only ground any more. Press the surface button on a planet with moons and it asks where to stand: the planet itself, or any moon still in orbit, each tagged with what it became — ocean, ice, carbon, volcanic. Every moon gets its own ground and sky from its own physics: airless rock under a black sky, ice cracked by geysers over a hidden sea, sulfur plains shaking with eruptions, or orange haze you can't see the sun through. And hanging over the horizon, there's the planet you built.

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