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Uncommon exoplanet 27 EP

NGC 2682 YBP 401 b

RA 132.8293° · Dec 11.6710° · exoplanet

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Score breakdown

· 4 badges
27 pts · Uncommon
Uncommon 34 pts → Rare
  • Puffy low-density world +12
  • Distant (over 1,000 light-years) +6
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 27

7 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Gas giant · +4
  • Puffy low-density world · +12

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 13.7 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 February — that's when to go looking.

Could we get there?

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

Properties

density gcc
0.275
diameter km
182413.66
discovery facility
La Silla Observatory
discovery method
Radial Velocity
discovery year
2016
dist ly
2709.7758
eccentricity
0.15
host star teff
6165
mag
13.699
mass earth
146.2018
name
NGC 2682 YBP 401 b
orbital period days
4.087
radius earth
14.3
spect
F9 V
sys num planets
1
sys num stars
1

About NGC 2682 YBP 401 b

NGC 2682 YBP 401 b is an uncommon exoplanet. It lies about 2,709.8 light-years from Earth, shines at apparent magnitude 13.7, has spectral type F9 V and spans roughly 14.3 Earth radii.

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 13.7, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, NGC 2682 YBP 401 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 NGC 2682 YBP 401 b is an uncommon exoplanet

NGC 2682 YBP 401 b scores 27 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 7 points would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Distant (over 1,000 light-years), Gas giant and Puffy low-density world — 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.