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Epic exoplanet 59 EP

Ross 458 c

RA 195.1912° · Dec 12.3756° · exoplanet

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Score breakdown

· 6 badges
59 pts · Epic
Epic 78 pts → Anomaly
  • Directly imaged +16
  • Circumbinary (orbits both stars) +14
  • Orbits beyond Neptune's distance +12
  • Frozen world +8
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 59

19 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Frozen world · +8
  • Circumbinary (orbits both stars) · +14
  • Directly imaged · +16
  • Orbits beyond Neptune's distance · +12

Trivia

What makes it special

  • Frozen world. A deep-frozen world, too far from its star's warmth for anything to stay liquid.

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.

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 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 April — 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. ≈ 659.7 thousand years at Voyager 1's speed (17 km/s).

Properties

circumbinary
yes
density gcc
3.81
diameter km
178730.3073
discovery facility
Las Campanas Observatory
discovery method
Imaging
discovery year
2010
dist ly
37.5386
eq temp k
4.32
host star teff
3965.42
insolation
0
mag
9.76
mass earth
1906.98
name
Ross 458 c
radius earth
14.0113
semi major au
1100
spect
M2
sys num planets
1
sys num stars
2

About Ross 458 c

Ross 458 c is an epic exoplanet. It lies about 37.5 light-years from Earth, shines at apparent magnitude 9.76, has spectral type M2 and has an equilibrium temperature near 4 K.

A deep-frozen world, too far from its star's warmth for anything to stay liquid.

How to see it

At apparent magnitude 9.76, a small backyard telescope will bring it into view.

Like any astronomical target, Ross 458 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 Ross 458 c is an epic exoplanet

Ross 458 c scores 59 points on Spacedle's rarity scale, which places it in the epic tier. Another 19 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Gas giant, Frozen world, Circumbinary (orbits both stars), Directly imaged and Orbits beyond Neptune's distance — 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.