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Uncommon exoplanet 30 EP

Kepler-352 b

RA 299.8966° · Dec 46.0519° · exoplanet

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Score breakdown

· 4 badges
30 pts · Uncommon
Uncommon 34 pts → Rare
  • Earth-sized +16
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 30

4 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Earth-sized · +16
  • 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.

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. Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.
  • 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 13.1 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
4.89
diameter km
10970.332
discovery facility
Kepler
discovery method
Transit
discovery year
2014
dist ly
824.3038
eccentricity
0
eq temp k
694
host star teff
5212
inclination
89.87
insolation
50.389
mag
13.142
mass earth
0.566
name
Kepler-352 b
orbital period days
10.0554
radius earth
0.86
semi major au
0.085
sys num planets
3
sys num stars
1

About Kepler-352 b

Kepler-352 b is an uncommon exoplanet. It lies about 824.3 light-years from Earth, shines at apparent magnitude 13.14, has an equilibrium temperature near 694 K and spans roughly 0.86 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 13.14, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-352 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 Kepler-352 b is an uncommon exoplanet

Kepler-352 b scores 30 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 4 points would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Earth-sized, 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.