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Epic exoplanet 53 EP

WASP-8 c

RA 359.9009° · Dec -35.0313° · exoplanet

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Score breakdown

· 7 badges
53 pts · Epic
Epic 78 pts → Anomaly
  • Two suns in its sky +12
  • Long-period world +10
  • Frozen world +8
  • Orbits a Sun-like star +8
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 53

25 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Frozen world · +8
  • Long-period world · +10
  • Multi-planet system · +6
  • Orbits a Sun-like star · +8
  • Two suns in its sky · +12

Trivia

What makes it special

  • Frozen world. A deep-frozen world, too far from its star's warmth for anything to stay liquid.

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

  • What it is made of. Denser than Earth — a solid world of rock and iron, with no meaningful atmosphere to speak of by mass.
  • 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 9.8 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
8.45
diameter km
159452.5
discovery facility
SuperWASP
discovery method
Radial Velocity
discovery year
2013
dist ly
293.4119
eccentricity
0
eq temp k
116.99
host star teff
5690
insolation
0.0314
mag
9.789
mass earth
3003.37
multi star system
yes
name
WASP-8 c
orbital period days
4323
radius earth
12.5
semi major au
5.28
spect
G8 V
sys num planets
2
sys num stars
2

About WASP-8 c

WASP-8 c is an epic exoplanet. It lies about 293.4 light-years from Earth, shines at apparent magnitude 9.79, has spectral type G8 V and has an equilibrium temperature near 117 K.

A deep-frozen world, too far from its star's warmth for anything to stay liquid.

How to see it

At apparent magnitude 9.79, a small backyard telescope will bring it into view.

Like any astronomical target, WASP-8 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 WASP-8 c is an epic exoplanet

WASP-8 c scores 53 points on Spacedle's rarity scale, which places it in the epic tier. Another 25 points would lift it into a rarer tier.

That score comes from 7 science badges — Confirmed exoplanet, Gas giant, Frozen world, Long-period world, Multi-planet system, 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.