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Rare exoplanet 40 EP

Kepler-327 c

RA 292.6423° · Dec 44.0876° · exoplanet

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Score breakdown

· 5 badges
40 pts · Rare
Rare 50 pts → Epic
  • Earth-sized +16
  • Tidally locked +10
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 40

10 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Earth-sized · +16
  • Tidally locked · +10
  • Multi-planet system · +6
  • Found by Kepler · +3

Trivia

What makes it special

  • Earth-sized. Genuinely comparable to Earth in size. Worlds in this narrow band are the ones every next-generation telescope is being pointed at.

Hard to believe

  • Denser than iron. It is packed tighter than solid iron — whatever it is made of, it is not ordinary rock.

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. Denser than Earth — a solid world of rock and iron, with no meaningful atmosphere to speak of by mass.
  • Crowded system. One of at least 3 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 15.6 it is far too faint for the eye: this one belongs to cameras and long exposures.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.

Properties

density gcc
102
diameter km
13138.886
discovery facility
Kepler
discovery method
Transit
discovery year
2014
dist ly
789.2551
eccentricity
0
eq temp k
537
host star teff
3799
inclination
89.44
insolation
28.272
mag
15.611
mass earth
20.3
name
Kepler-327 c
orbital period days
5.2123
radius earth
1.03
semi major au
0.047
sys num planets
3
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About Kepler-327 c

Kepler-327 c is a rare exoplanet. It lies about 789.3 light-years from Earth, shines at apparent magnitude 15.61, has an equilibrium temperature near 537 K and spans roughly 1.03 Earth radii.

Genuinely comparable to Earth in size. Worlds in this narrow band are the ones every next-generation telescope is being pointed at.

How to see it

At apparent magnitude 15.61, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-327 c 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 Kepler-327 c is a rare exoplanet

Kepler-327 c scores 40 points on Spacedle's rarity scale, which places it in the rare tier. Another 10 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Earth-sized, Tidally locked, Multi-planet system and Found by Kepler — 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.