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Rare exoplanet 40 EP

Kepler-411 c

RA 287.6057° · Dec 49.5234° · exoplanet

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Score breakdown

· 6 badges
40 pts · Rare
Rare 50 pts → Epic
  • Two suns in its sky +12
  • Tidally locked +10
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Neptune-like +4
  • Found by Kepler +3
Total score 40

10 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Neptune-like · +4
  • Tidally locked · +10
  • 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
1.7
diameter km
56395.1602
discovery facility
Kepler
discovery method
Transit
discovery year
2016
dist ly
501.2235
eccentricity
0.108
eq temp k
838
host star teff
4974
inclination
88.61
insolation
56
mag
12.448
mass earth
26.4
multi star system
yes
name
Kepler-411 c
orbital period days
7.8344
radius earth
4.421
semi major au
0.0739
spect
K2 V
sys num planets
4
sys num stars
2
tidally locked
yes
tidally locked inferred
yes

About Kepler-411 c

Kepler-411 c is a rare 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 838 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 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-411 c is a rare exoplanet

Kepler-411 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 6 science badges — Confirmed exoplanet, Neptune-like, Tidally locked, 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.