Uncommon exoplanet 28 EP

WASP-53 c

RA 31.9092° · Dec -20.6618° · exoplanet

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Score breakdown

· 4 badges

28 pts · Uncommon

Uncommon 33 pts → Rare

Eccentric orbit +9
Frozen world +8
Multi-planet system +6
Confirmed exoplanet +5

Total score 28

5 more points to reach Rare.

Badges

Confirmed exoplanet · +5
Frozen world · +8
Eccentric orbit · +9
Multi-planet system · +6

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. ≈ 11.5 million years at Voyager 1's speed (17 km/s).
Fastest probe ever. ≈ 1 million years even at the Parker Solar Probe's 192 km/s.
At 10% light speed. ≈ 6567 years in a starship at a tenth of light speed.
Distance. 657 light-years from Earth.

Look-back time

Look-back time. The light you'd see left around the year 1369.

Saying hello

Say hello. A radio message and its reply would take 1313 years round-trip.

Standing on it

A year here. A full year lasts about 7.8 Earth years.

By the numbers

Mass. Roughly 5197× Earth's mass — about 16.4 Jupiters.
Temperature. A frigid -163°C — colder than dry ice.

How we found it

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

Cosmic context

Crowded system. One of at least 2 planets orbiting its star.
Wild orbit. Its highly elliptical path swings between scorching and frozen each lap.

Properties

discovery facility: Multiple Facilities
discovery method: Radial Velocity
dist ly: 656.676
eccentricity: 0.8369
eq temp k: 110.47
insolation: 0.0247
mass earth: 5196.5205
name: WASP-53 c
orbital period days: 2840
sys num planets: 2

About WASP-53 c

WASP-53 c is an uncommon exoplanet. It lies about 656.7 light-years from Earth, has an equilibrium temperature near 110 K, weighs about 5,196.52 Earth masses and completes an orbit every 2,840 days.

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

How to see it

Like any astronomical target, WASP-53 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 WASP-53 c is an uncommon exoplanet

WASP-53 c scores 28 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 5 points would lift it into a rarer tier.

That score comes from 4 science badges — Confirmed exoplanet, Frozen world, Eccentric orbit 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.