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Epic exoplanet 63 EP

2MASS J11011926-7732383 b

RA 165.3295° · Dec -77.5441° · exoplanet

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Score breakdown

· 5 badges
63 pts · Epic
Epic 78 pts → Anomaly
  • Ultra-hot Jupiter +26
  • Directly imaged +16
  • Orbits beyond Neptune's distance +12
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 63

15 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Ultra-hot Jupiter · +26
  • Directly imaged · +16
  • Orbits beyond Neptune's distance · +12

Trivia

What makes it special

  • Ultra-hot Jupiter. So hot that iron vaporises on the dayside, blows around to the night side and rains back down as molten metal.

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.

Find it in the sky

  • Southern sky only. So far south it never rises for most of the northern hemisphere. To see it you'd have to travel to Chile, South Africa or Australia.
  • Best time of year. It stands highest in the middle of the night around March — that's when to go looking.

By the numbers

  • Size. About 11.9× the width of Earth.
  • Temperature. Around 2677 K — hot enough to vaporise iron.
  • Your weight. You'd weigh about 62.8× your Earth weight standing here.

Properties

density gcc
29
diameter km
151798.78
discovery facility
European Space Agency (ESA) Gaia Satellite
discovery method
Imaging
discovery year
2024
eq temp k
2677
mass earth
8899.1954
name
2MASS J11011926-7732383 b
radius earth
11.9
semi major au
266
sys num planets
1
sys num stars
1

About 2MASS J11011926-7732383 b

2MASS J11011926-7732383 b is an epic exoplanet. It has an equilibrium temperature near 2,677 K, spans roughly 11.9 Earth radii, weighs about 8,899.2 Earth masses and belongs to a system of 1 known planets.

So hot that iron vaporises on the dayside, blows around to the night side and rains back down as molten metal.

How to see it

Like any astronomical target, 2MASS J11011926-7732383 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 2MASS J11011926-7732383 b is an epic exoplanet

2MASS J11011926-7732383 b scores 63 points on Spacedle's rarity scale, which places it in the epic tier. Another 15 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Gas giant, Ultra-hot Jupiter, Directly imaged and Orbits beyond Neptune's distance — 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.