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Trash exoplanet 9 EP

HIP 5763 b

RA 18.4953° · Dec 16.4943° · exoplanet

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Score breakdown

· 2 badges
9 pts · Trash
Trash 15 pts → Common
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 9

6 more points to reach Common.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4

Trivia

Hard to believe

  • It would float. It is less dense than water. Drop it in a big enough ocean and the whole world would bob on the surface.

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 9.8 you'll want a small backyard telescope.
  • 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 October — that's when to go looking.

Could we get there?

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

Properties

density gcc
0.311
diameter km
181138.04
discovery facility
Cerro Tololo Inter-American Observatory
discovery method
Radial Velocity
discovery year
2021
dist ly
104.0578
eccentricity
0.054
eq temp k
440.9
host star teff
4352
insolation
6.2967
mag
9.82
mass earth
162.0925
name
HIP 5763 b
orbital period days
30.014
radius earth
14.2
semi major au
0.17
spect
K6 V
sys num planets
1
sys num stars
1

About HIP 5763 b

HIP 5763 b is a trash exoplanet. It lies about 104.1 light-years from Earth, shines at apparent magnitude 9.82, has spectral type K6 V and has an equilibrium temperature near 441 K.

It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.

How to see it

At apparent magnitude 9.82, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 5763 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 HIP 5763 b is a trash exoplanet

HIP 5763 b scores 9 points on Spacedle's rarity scale, which places it in the trash tier. Another 6 points would lift it into a rarer tier.

That score comes from 2 science badges — Confirmed exoplanet and Gas giant — 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.