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Rare exoplanet 48 EP

Kepler-333 c

RA 292.2861° · Dec 40.9135° · exoplanet

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Score breakdown

· 6 badges
48 pts · Rare
Rare 50 pts → Epic
  • Earth-sized +16
  • Two suns in its sky +12
  • Distant (over 1,000 light-years) +6
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 48

2 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Earth-sized · +16
  • Multi-planet system · +6
  • Found by Kepler · +3
  • Two suns in its sky · +12

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.

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 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 15.1 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.
  • Best time of year. It stands highest in the middle of the night around July — that's when to go looking.

Properties

density gcc
5.67
diameter km
14159.382
discovery facility
Kepler
discovery method
Transit
discovery year
2014
dist ly
1058.0925
eccentricity
0
eq temp k
386
host star teff
4259
inclination
89.51
insolation
7.049
mag
15.052
mass earth
1.41
multi star system
yes
name
Kepler-333 c
orbital period days
24.0882
radius earth
1.11
semi major au
0.135
sys num planets
2
sys num stars
2

About Kepler-333 c

Kepler-333 c is a rare exoplanet. It lies about 1,058.1 light-years from Earth, shines at apparent magnitude 15.05, has an equilibrium temperature near 386 K and spans roughly 1.11 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 15.05, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-333 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-333 c is a rare exoplanet

Kepler-333 c scores 48 points on Spacedle's rarity scale, which places it in the rare tier. Another 2 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Earth-sized, Multi-planet system, Found by Kepler and Two suns in its sky — 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.