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Rare exoplanet 41 EP

WASP-135 b

RA 267.2849° · Dec 29.8790° · exoplanet

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Score breakdown

· 5 badges
41 pts · Rare
Rare 50 pts → Epic
  • Lava world +14
  • Tidally locked +10
  • Orbits a Sun-like star +8
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 41

9 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Lava world · +14
  • Tidally locked · +10
  • Orbits a Sun-like star · +8

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. Lighter than Neptune — a puffed-up ball of hydrogen and helium with no surface anywhere on it to stand on.

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 13.2 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 June — that's when to go looking.

Could we get there?

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

Properties

density gcc
1.16
diameter km
185879.5195
discovery facility
SuperWASP
discovery method
Transit
discovery year
2015
dist ly
972.6429
eccentricity
0
eq temp k
1403.66
host star teff
5675
inclination
82
insolation
917.4101
mag
13.181
mass earth
603.877
name
WASP-135 b
orbital period days
1.4014
radius earth
14.5717
semi major au
0.0243
spect
G5 V
sys num planets
1
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

About WASP-135 b

WASP-135 b is a rare exoplanet. It lies about 972.6 light-years from Earth, shines at apparent magnitude 13.18, has spectral type G5 V and has an equilibrium temperature near 1,404 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 13.18, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, WASP-135 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 WASP-135 b is a rare exoplanet

WASP-135 b scores 41 points on Spacedle's rarity scale, which places it in the rare tier. Another 9 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Gas giant, Lava world, Tidally locked 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.