Uncommon exoplanet 32 EP

HD 24085 b

RA 56.2563° · Dec -70.0245° · exoplanet

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Score breakdown

· 4 badges

32 pts · Uncommon

Uncommon 33 pts → Rare

Lava world +14
Blasted by starlight +8
Confirmed exoplanet +5
Sub-Neptune +5

Total score 32

1 more point to reach Rare.

Badges

Confirmed exoplanet · +5
Sub-Neptune · +5
Lava world · +14
Blasted by starlight · +8

Trivia

What makes it special

Lava world. Its surface is likely an ocean of molten rock.

Could we get there?

Verdict. Hopelessly far for any craft humanity can build today.

Getting there

Aboard Voyager 1. ≈ 3.1 million years at Voyager 1's speed (17 km/s).
Fastest probe ever. ≈ 279.6 thousand years even at the Parker Solar Probe's 192 km/s.
At 10% light speed. ≈ 1791 years in a starship at a tenth of light speed.
Distance. 179 light-years from Earth.

Look-back time

Look-back time. The light you'd see left around the year 1847.

Saying hello

Say hello. A radio message and its reply would take 358 years round-trip.

Standing on it

A year here. A full year lasts just 2 Earth days.

By the numbers

Size. About 3.5× the width of Earth.
Volume. About 41.4 Earths could fit inside it.
Mass. About 11.8× the mass of Earth.
Your weight. You'd weigh about 1.0× your Earth weight standing here.
Temperature. Around 1602°C — hotter than a self-cleaning oven.

How we found it

Discovery. Found by Las Campanas Observatory using the radial velocity method.

Properties

density gcc: 1.57
discovery facility: Las Campanas Observatory
discovery method: Radial Velocity
dist ly: 179.0609
eccentricity: 0.22
eq temp k: 1875.43
insolation: 2061.4187
mass earth: 11.8
name: HD 24085 b
orbital period days: 2.0455
radius earth: 3.46
sys num planets: 1

About HD 24085 b

HD 24085 b is an uncommon exoplanet. It lies about 179.1 light-years from Earth, has an equilibrium temperature near 1,875 K, spans roughly 3.46 Earth radii and weighs about 11.8 Earth masses.

Its surface is likely an ocean of molten rock.

How to see it

Like any astronomical target, HD 24085 b is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why HD 24085 b is an uncommon exoplanet

HD 24085 b scores 32 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 1 point would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Sub-Neptune, Lava world and Blasted by starlight — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.