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Rare exoplanet 36 EP

Kepler-69 c

RA 293.2609° · Dec 44.8689° · exoplanet

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Score breakdown

· 6 badges
36 pts · Rare
Rare 50 pts → Epic
  • Super-Earth +8
  • Orbits a Sun-like star +8
  • Distant (over 1,000 light-years) +6
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Found by Kepler +3
Total score 36

14 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Super-Earth · +8
  • Multi-planet system · +6
  • Found by Kepler · +3
  • Orbits a Sun-like star · +8

Trivia

What it actually is

  • 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 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 13.9 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. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 41.9 million years at Voyager 1's speed (17 km/s).

Properties

density gcc
3.92
diameter km
21813.102
discovery facility
Kepler
discovery method
Transit
discovery year
2013
dist ly
2382.9773
eccentricity
0.14
eq temp k
299
host star teff
5638
inclination
89.85
insolation
2.687
mag
13.866
mass earth
3.57
name
Kepler-69 c
orbital period days
242.4613
radius earth
1.71
semi major au
0.64
spect
G4 V
sys num planets
2
sys num stars
1

About Kepler-69 c

Kepler-69 c is a rare exoplanet. It lies about 2,383 light-years from Earth, shines at apparent magnitude 13.87, has spectral type G4 V and has an equilibrium temperature near 299 K.

Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.

How to see it

At apparent magnitude 13.87, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, Kepler-69 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-69 c is a rare exoplanet

Kepler-69 c scores 36 points on Spacedle's rarity scale, which places it in the rare tier. Another 14 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Super-Earth, 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.