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Common exoplanet 18 EP

KIC 7917485 b

RA 299.4346° · Dec 43.6326° · exoplanet

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Score breakdown

· 4 badges
18 pts · Common
Common 22 pts → Uncommon
  • Distant (over 1,000 light-years) +6
  • Confirmed exoplanet +5
  • Gas giant +4
  • Found by Kepler +3
Total score 18

4 more points to reach Uncommon.

Badges

  • Confirmed exoplanet · +5
  • Distant (over 1,000 light-years) · +6
  • Gas giant · +4
  • Found by Kepler · +3

Trivia

Hard to believe

  • Denser than iron. It is packed tighter than solid iron — whatever it is made of, it is not ordinary rock.

What it actually is

  • What it is made of. Denser than Earth — a solid world of rock and iron, with no meaningful atmosphere to speak of by mass.

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 13.2 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 July — that's when to go looking.

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 79.3 million years at Voyager 1's speed (17 km/s).

Properties

density gcc
10.8
diameter km
158176.88
discovery facility
Kepler
discovery method
Pulsation Timing Variations
discovery year
2016
dist ly
4510.3787
eccentricity
0.15
host star teff
7067
mag
13.166
mass earth
3750.394
name
KIC 7917485 b
orbital period days
840
radius earth
12.4
spect
A
sys num planets
1
sys num stars
1

About KIC 7917485 b

KIC 7917485 b is a common exoplanet. It lies about 4,510.4 light-years from Earth, shines at apparent magnitude 13.17, has spectral type A and spans roughly 12.4 Earth radii.

Denser than Earth — a solid world of rock and iron, with no meaningful atmosphere to speak of by mass.

How to see it

At apparent magnitude 13.17, it takes a larger telescope or a long-exposure image to capture.

Like any astronomical target, KIC 7917485 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 KIC 7917485 b is a common exoplanet

KIC 7917485 b scores 18 points on Spacedle's rarity scale, which places it in the common tier. Another 4 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 Found by Kepler — 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.