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Rare exoplanet 39 EP

Kepler-880 c

RA 281.9712° · Dec 43.6728° · exoplanet

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Score breakdown

· 6 badges
39 pts · Rare
Rare 50 pts → Epic
  • Lava world +14
  • Distant (over 1,000 light-years) +6
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Sub-Neptune +5
  • Found by Kepler +3
Total score 39

11 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Sub-Neptune · +5
  • Lava world · +14
  • Multi-planet system · +6
  • Found by Kepler · +3

Trivia

What makes it special

  • Lava world. Its surface is almost certainly an ocean of molten rock, kept liquid by the star it hugs.

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 11.8 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.

Properties

density gcc
2
diameter km
36610.294
discovery facility
Kepler
discovery method
Transit
discovery year
2023
dist ly
1961.2543
eccentricity
0
eq temp k
1407
host star teff
6900
inclination
84.28
insolation
926.72
mag
11.845
mass earth
8.6
name
Kepler-880 c
orbital period days
11.8062
radius earth
2.87
semi major au
0.1216
sys num planets
2
sys num stars
1

About Kepler-880 c

Kepler-880 c is a rare exoplanet. It lies about 1,961.3 light-years from Earth, shines at apparent magnitude 11.85, has an equilibrium temperature near 1,407 K and spans roughly 2.87 Earth radii.

Its surface is almost certainly an ocean of molten rock, kept liquid by the star it hugs.

How to see it

At apparent magnitude 11.85, a small backyard telescope will bring it into view.

Like any astronomical target, Kepler-880 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-880 c is a rare exoplanet

Kepler-880 c scores 39 points on Spacedle's rarity scale, which places it in the rare tier. Another 11 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Sub-Neptune, Lava world, 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.