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Uncommon exoplanet 32 EP

CoRoT-24 b

RA 101.9225° · Dec -3.7193° · exoplanet

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Score breakdown

· 5 badges
32 pts · Uncommon
Uncommon 34 pts → Rare
  • Tidally locked +10
  • Distant (over 1,000 light-years) +6
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
Total score 32

2 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Sub-Neptune · +5
  • Tidally locked · +10
  • Multi-planet system · +6

Trivia

Hard to believe

  • It would float. It is less dense than water. Drop it in a big enough ocean and the whole world would bob on the surface.

What it actually is

  • Hugging its star. It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.
  • What it is made of. Lighter than Neptune — a puffed-up ball of hydrogen and helium with no surface anywhere on it to stand on.
  • Crowded system. One of at least 2 planets orbiting its star.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 15.4 it is far too faint for the eye: this one belongs to cameras and long exposures.
  • Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
  • Best time of year. It stands highest in the middle of the night around January — that's when to go looking.

Properties

density gcc
0.9
diameter km
47197.94
discovery facility
CoRoT
discovery method
Transit
discovery year
2014
dist ly
1929.3921
eccentricity
0
eq temp k
1070
host star teff
4950
inclination
86.5
insolation
79.826
mag
15.383
mass earth
5.7
name
CoRoT-24 b
orbital period days
5.1134
radius earth
3.7
semi major au
0.056
spect
K1 V
sys num planets
2
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About CoRoT-24 b

CoRoT-24 b is an uncommon exoplanet. It lies about 1,929.4 light-years from Earth, shines at apparent magnitude 15.38, has spectral type K1 V and has an equilibrium temperature near 1,070 K.

It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.

How to see it

At apparent magnitude 15.38, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, CoRoT-24 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 CoRoT-24 b is an uncommon exoplanet

CoRoT-24 b scores 32 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 2 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Sub-Neptune, Tidally locked and Multi-planet system — 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.