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Epic exoplanet 58 EP

Kepler-100 b

RA 291.3861° · Dec 41.9901° · exoplanet

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Score breakdown

· 7 badges
58 pts · Epic
Epic 78 pts → Anomaly
  • Denser than iron +18
  • Tidally locked +10
  • Super-Earth +8
  • Orbits a Sun-like star +8
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 58

20 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Super-Earth · +8
  • Tidally locked · +10
  • Denser than iron · +18
  • Multi-planet system · +6
  • Found by Kepler · +3
  • Orbits a Sun-like star · +8

Trivia

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 4 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 11.1 you'll want a small backyard telescope.
  • 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
12.3579
diameter km
17093.308
discovery facility
Kepler
discovery method
Transit
discovery year
2014
dist ly
993.6179
eccentricity
0.13
eq temp k
1155
host star teff
5837
inclination
85.37
insolation
478.214
mag
11.055
mass earth
4.01
name
Kepler-100 b
orbital period days
6.8873
radius earth
1.34
semi major au
0.0731
sys num planets
4
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About Kepler-100 b

Kepler-100 b is an epic exoplanet. It lies about 993.6 light-years from Earth, shines at apparent magnitude 11.05, has an equilibrium temperature near 1,155 K and spans roughly 1.34 Earth radii.

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 11.05, a small backyard telescope will bring it into view.

Like any astronomical target, Kepler-100 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-100 b is an epic exoplanet

Kepler-100 b scores 58 points on Spacedle's rarity scale, which places it in the epic tier. Another 20 points would lift it into a rarer tier.

That score comes from 7 science badges — Confirmed exoplanet, Super-Earth, Tidally locked, Denser than iron, Multi-planet system, Found by Kepler and Orbits a Sun-like star — 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.