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Uncommon exoplanet 24 EP

EPIC 220674823 c

RA 13.0800° · Dec 10.7947° · exoplanet

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Score breakdown

· 4 badges
24 pts · Uncommon
Uncommon 34 pts → Rare
  • Orbits a Sun-like star +8
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
Total score 24

10 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Sub-Neptune · +5
  • Multi-planet system · +6
  • Orbits a Sun-like star · +8

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 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 12.1 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 October — that's when to go looking.

Could we get there?

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

Properties

density gcc
2.3361
diameter km
34594.8144
discovery facility
K2
discovery method
Transit
discovery year
2016
dist ly
797.745
eccentricity
0.18
eq temp k
838
host star teff
5578
inclination
89.34
insolation
70
mag
12.101
mass earth
7.9
name
EPIC 220674823 c
orbital period days
13.3406
radius earth
2.712
semi major au
0.1078
spect
G5 V
sys num planets
2
sys num stars
1

About EPIC 220674823 c

EPIC 220674823 c is an uncommon exoplanet. It lies about 797.7 light-years from Earth, shines at apparent magnitude 12.1, has spectral type G5 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 12.1, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, EPIC 220674823 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 EPIC 220674823 c is an uncommon exoplanet

EPIC 220674823 c scores 24 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 10 points would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Sub-Neptune, Multi-planet system 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.