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Epic exoplanet 75 EP

K2-265 b

RA 342.0316° · Dec -14.4948° · exoplanet

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Score breakdown

· 7 badges
75 pts · Epic
Epic 78 pts → Anomaly
  • Denser than iron +18
  • Lava world +14
  • Two suns in its sky +12
  • Tidally locked +10
  • Super-Earth +8
  • Orbits a Sun-like star +8
  • Confirmed exoplanet +5
Total score 75

3 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Super-Earth · +8
  • Lava world · +14
  • Tidally locked · +10
  • Denser than iron · +18
  • Orbits a Sun-like star · +8
  • Two suns in its sky · +12

Trivia

What makes it special

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

Hard to believe

  • Denser than iron. It is packed tighter than solid iron — whatever it is made of, it is not ordinary rock.

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. Denser than Earth — a solid world of rock and iron, with no meaningful atmosphere to speak of by mass.

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 11.2 you'll want a small backyard telescope.
  • Southern sky. It rides the southern half of the sky — an easier target the further south you are.
  • Best time of year. It stands highest in the middle of the night around September — that's when to go looking.

Properties

density gcc
7.9
diameter km
21790.7616
discovery facility
K2
discovery method
Transit
discovery year
2018
dist ly
452.2838
eccentricity
0.16
eq temp k
1366
host star teff
5420
inclination
87.01
insolation
592
mag
11.187
mass earth
7.3418
multi star system
yes
name
K2-265 b
orbital period days
2.369
radius earth
1.7082
semi major au
0.0336
spect
G8 V
sys num planets
1
sys num stars
2
tidally locked
yes
tidally locked inferred
yes

About K2-265 b

K2-265 b is an epic exoplanet. It lies about 452.3 light-years from Earth, shines at apparent magnitude 11.19, has spectral type G8 V and has an equilibrium temperature near 1,366 K.

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

How to see it

At apparent magnitude 11.19, a small backyard telescope will bring it into view.

Like any astronomical target, K2-265 b 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 K2-265 b is an epic exoplanet

K2-265 b scores 75 points on Spacedle's rarity scale, which places it in the epic tier. Another 3 points would lift it into a rarer tier.

That score comes from 7 science badges — Confirmed exoplanet, Super-Earth, Lava world, Tidally locked, Denser than iron, Orbits a Sun-like star 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.