Uncommon exoplanet 27 EP

HD 95872 b

RA 165.8659° · Dec -22.0943° · exoplanet

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Score breakdown

· 4 badges

27 pts · Uncommon

Uncommon 33 pts → Rare

Long-period world +10
Frozen world +8
Confirmed exoplanet +5
Gas giant +4

Total score 27

6 more points to reach Rare.

Badges

Confirmed exoplanet · +5
Gas giant · +4
Frozen world · +8
Long-period world · +10

Trivia

What makes it special

Frozen world. A deep-frozen world far from its star's warmth.

Could we get there?

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

Getting there

Aboard Voyager 1. ≈ 4.1 million years at Voyager 1's speed (17 km/s).
Fastest probe ever. ≈ 367.8 thousand years even at the Parker Solar Probe's 192 km/s.
At 10% light speed. ≈ 2355 years in a starship at a tenth of light speed.
Distance. 236 light-years from Earth.

Look-back time

Look-back time. The light you'd see left around the year 1790.

Saying hello

Say hello. A radio message and its reply would take 471 years round-trip.

Standing on it

A year here. A full year lasts about 12 Earth years.

By the numbers

Size. About 13× the width of Earth.
Volume. About 2197 Earths could fit inside it.
Mass. Roughly 1189× Earth's mass — about 3.7 Jupiters.
Your weight. You'd weigh about 7.0× your Earth weight standing here.
Temperature. A frigid -170°C — colder than dry ice.

How we found it

Discovery. Found by Multiple Facilities using the radial velocity method.

Properties

density gcc: 2.97
discovery facility: Multiple Facilities
discovery method: Radial Velocity
dist ly: 235.5482
eccentricity: 0.06
eq temp k: 103.45
insolation: 0.0216
mass earth: 1188.6842
name: HD 95872 b
orbital period days: 4375
radius earth: 13
sys num planets: 1

About HD 95872 b

HD 95872 b is an uncommon exoplanet. It lies about 235.5 light-years from Earth, has an equilibrium temperature near 103 K, spans roughly 13 Earth radii and weighs about 1,188.68 Earth masses.

A deep-frozen world far from its star's warmth.

How to see it

Like any astronomical target, HD 95872 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 HD 95872 b is an uncommon exoplanet

HD 95872 b scores 27 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 6 points would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Gas giant, Frozen world and Long-period 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.