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Rare exoplanet 41 EP

HD 206893 c

RA 326.3417° · Dec -12.7834° · exoplanet

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Score breakdown

· 5 badges
41 pts · Rare
Rare 50 pts → Epic
  • Directly imaged +16
  • Hot Jupiter +10
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 41

9 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Hot Jupiter · +10
  • Multi-planet system · +6
  • Directly imaged · +16

Trivia

What it actually is

  • What it is made of. Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.
  • Crowded system. One of at least 2 planets orbiting its star.

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 6.7 it is just past naked-eye reach — ordinary binoculars will pull it in.
  • 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 August — that's when to go looking.

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 2.3 million years at Voyager 1's speed (17 km/s).

Properties

density gcc
4.42
diameter km
208756.6394
discovery facility
European Southern Observatory
discovery method
Imaging
discovery year
2022
dist ly
132.9356
eccentricity
0.283
eq temp k
1181.9
host star teff
6500
inclination
142.5
insolation
0.2043
mag
6.688
mass earth
3527.8953
name
HD 206893 c
orbital period days
2290
radius earth
16.3651
semi major au
3.74
spect
F5 V
sys num planets
2
sys num stars
1

About HD 206893 c

HD 206893 c is a rare exoplanet. It lies about 132.9 light-years from Earth, shines at apparent magnitude 6.69, has spectral type F5 V and has an equilibrium temperature near 1,182 K.

Its density says rock, though lighter than Earth's mix: probably less iron, or a thick shell of water and ice over the top.

How to see it

At apparent magnitude 6.69, it is an easy target for binoculars.

Like any astronomical target, HD 206893 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 HD 206893 c is a rare exoplanet

HD 206893 c scores 41 points on Spacedle's rarity scale, which places it in the rare tier. Another 9 points would lift it into a rarer tier.

That score comes from 5 science badges — Confirmed exoplanet, Gas giant, Hot Jupiter, Multi-planet system and Directly imaged — 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.