Epic exoplanet 47 EP

HAT-P-44 b

RA 213.1439° · Dec 47.0148° · exoplanet

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Score breakdown

· 6 badges

47 pts · Epic

Epic 68 pts → Anomaly

Puffy low-density world +12
Hot Jupiter +10
Distant (>1000 ly) +10
Multi-planet system +6
Confirmed exoplanet +5
Gas giant +4

Total score 47

21 more points to reach Anomaly.

Badges

Confirmed exoplanet · +5
Gas giant · +4
Hot Jupiter · +10
Puffy low-density world · +12
Multi-planet system · +6
Distant (>1000 ly) · +10

Trivia

What makes it special

Cotton-candy planet. So low-density it would float on water.

Could we get there?

Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

Aboard Voyager 1. ≈ 19.9 million years at Voyager 1's speed (17 km/s).
Fastest probe ever. ≈ 1.8 million years even at the Parker Solar Probe's 192 km/s.
At 10% light speed. ≈ 11.3 thousand years in a starship at a tenth of light speed.
Distance. 1135 light-years from Earth.

Look-back time

Look-back time. The light you'd see left around the year 891.

Saying hello

Say hello. A radio message and its reply would take 2269 years round-trip.

Standing on it

A year here. A full year lasts just 4.3 Earth days.

By the numbers

Size. About 13.9× the width of Earth.
Volume. About 2698 Earths could fit inside it.
Mass. Roughly 112× Earth's mass — about 0.4 Jupiters.
Your weight. You'd weigh about 0.6× your Earth weight standing here.
Density. Less dense than water — drop it in a big enough ocean and it would float.
Temperature. Around 835°C — hotter than a self-cleaning oven.

How we found it

Discovery. Found by HATNet using the transit method.

Cosmic context

Crowded system. One of at least 2 planets orbiting its star.

Properties

density gcc: 0.23
discovery facility: HATNet
discovery method: Transit
dist ly: 1134.5336
eccentricity: 0.044
eq temp k: 1108
insolation: 185.119
mass earth: 111.871
name: HAT-P-44 b
orbital period days: 4.3012
radius earth: 13.922
sys num planets: 2

About HAT-P-44 b

HAT-P-44 b is an epic exoplanet. It lies about 1,134.5 light-years from Earth, has an equilibrium temperature near 1,108 K, spans roughly 13.92 Earth radii and weighs about 111.87 Earth masses.

So low-density it would float on water.

How to see it

Like any astronomical target, HAT-P-44 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 HAT-P-44 b is an epic exoplanet

HAT-P-44 b scores 47 points on Spacedle's rarity scale, which places it in the epic tier. Another 21 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Gas giant, Hot Jupiter, Puffy low-density world, Multi-planet system and Distant (>1000 ly) — 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.