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Uncommon exoplanet 31 EP

Kepler-411 e

RA 287.6057° · Dec 49.5234° · exoplanet

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Score breakdown

· 5 badges
31 pts · Uncommon
Uncommon 34 pts → Rare
  • Two suns in its sky +12
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
  • Found by Kepler +3
Total score 31

3 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Sub-Neptune · +5
  • Multi-planet system · +6
  • Found by Kepler · +3
  • Two suns in its sky · +12

Trivia

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. Too light to be solid rock and too heavy to be all gas: most likely a deep global ocean or a thick steamy envelope over a rocky core.
  • 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 12.4 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.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Properties

density gcc
1.68
diameter km
41840.336
discovery facility
Kepler
discovery method
Transit Timing Variations
discovery year
2018
dist ly
501.2235
eccentricity
0.016
eq temp k
503
host star teff
4974
inclination
88.04
insolation
7.6205
mag
12.448
mass earth
10.8
multi star system
yes
name
Kepler-411 e
orbital period days
31.5097
radius earth
3.28
semi major au
0.186
spect
K2 V
sys num planets
4
sys num stars
2

About Kepler-411 e

Kepler-411 e is an uncommon exoplanet. It lies about 501.2 light-years from Earth, shines at apparent magnitude 12.45, has spectral type K2 V and has an equilibrium temperature near 503 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 12.45, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-411 e 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-411 e is an uncommon exoplanet

Kepler-411 e scores 31 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 3 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Sub-Neptune, 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.