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Uncommon exoplanet 29 EP

Kepler-65 c

RA 288.6887° · Dec 41.1511° · exoplanet

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Score breakdown

· 5 badges
29 pts · Uncommon
Uncommon 34 pts → Rare
  • Tidally locked +10
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
  • Found by Kepler +3
Total score 29

5 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Sub-Neptune · +5
  • Tidally locked · +10
  • Multi-planet system · +6
  • Found by Kepler · +3

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 10.9 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.

Could we get there?

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

Properties

density gcc
1.64
diameter km
32910.996
discovery facility
Kepler
discovery method
Transit
discovery year
2012
dist ly
990.6271
eccentricity
0.02
eq temp k
1246
host star teff
6211
inclination
92.33
insolation
609.992
mag
10.922
mass earth
5.4
name
Kepler-65 c
orbital period days
5.8599
radius earth
2.58
semi major au
0.068
sys num planets
4
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About Kepler-65 c

Kepler-65 c is an uncommon exoplanet. It lies about 990.6 light-years from Earth, shines at apparent magnitude 10.92, has an equilibrium temperature near 1,246 K and spans roughly 2.58 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 10.92, a small backyard telescope will bring it into view.

Like any astronomical target, Kepler-65 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-65 c is an uncommon exoplanet

Kepler-65 c scores 29 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 5 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Sub-Neptune, Tidally locked, Multi-planet system and Found by Kepler — 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.