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Common exoplanet 15 EP

BD-11 4672 c

RA 278.3689° · Dec -11.6370° · exoplanet

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Score breakdown

· 3 badges
15 pts · Common
Common 22 pts → Uncommon
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Neptune-like +4
Total score 15

7 more points to reach Uncommon.

Badges

  • Confirmed exoplanet · +5
  • Neptune-like · +4
  • Multi-planet system · +6

Trivia

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

Sense of scale

  • In perspective. Inside our stellar backyard: every radio broadcast humanity has ever made has already swept past it.

Find it in the sky

  • How to spot it. At magnitude 10 you'll want a small backyard telescope.
  • Southern sky. It rides the southern half of the sky — an easier target the further south 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
1.28
diameter km
51535.048
discovery facility
Roque de los Muchachos Observatory
discovery method
Radial Velocity
discovery year
2020
dist ly
88.6052
eccentricity
0.4
eq temp k
320.21
host star teff
4550
insolation
1.7444
mag
10.03
mass earth
15.37
name
BD-11 4672 c
orbital period days
74.2
radius earth
4.04
semi major au
0.3
spect
K7V
sys num planets
2
sys num stars
1

About BD-11 4672 c

BD-11 4672 c is a common exoplanet. It lies about 88.6 light-years from Earth, shines at apparent magnitude 10.03, has spectral type K7V and has an equilibrium temperature near 320 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 10.03, a small backyard telescope will bring it into view.

Like any astronomical target, BD-11 4672 c 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 BD-11 4672 c is a common exoplanet

BD-11 4672 c scores 15 points on Spacedle's rarity scale, which places it in the common tier. Another 7 points would lift it into a rarer tier.

That score comes from 3 science badges — Confirmed exoplanet, Neptune-like and Multi-planet system — 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.