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Uncommon exoplanet 23 EP

PSR J2322-2650 b

RA 350.6443° · Dec -26.8495° · exoplanet

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Score breakdown

· 3 badges
23 pts · Uncommon
Uncommon 34 pts → Rare
  • Ultra-short period +14
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 23

11 more points to reach Rare.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Ultra-short period · +14

Trivia

Hard to believe

  • A year in a day. Its entire year is over in 7.8 hours. Birthdays here would come round faster than meals.

What it actually is

  • Hugging its star. It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.
  • What it is made of. Too light to be solid rock and too heavy to be all gas: most likely a deep global ocean or a thick steamy envelope over a rocky core.

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

  • 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 September — 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. ≈ 13.2 million years at Voyager 1's speed (17 km/s).

Properties

density gcc
1.84
diameter km
177311.18
discovery facility
Parkes Observatory
discovery method
Pulsar Timing
discovery year
2017
dist ly
750.1588
eccentricity
0.0017
mass earth
252.6431
name
PSR J2322-2650 b
orbital period days
0.323
radius earth
13.9
semi major au
0.0102
sys num planets
1
sys num stars
1
tidally locked
yes
tidally locked inferred
yes

Nearby objects

About PSR J2322-2650 b

PSR J2322-2650 b is an uncommon exoplanet. It lies about 750.2 light-years from Earth, spans roughly 13.9 Earth radii, weighs about 252.64 Earth masses and completes an orbit every 0.32 days.

It orbits closer to its star than Mercury does to the Sun, completing a lap in less time than Mercury takes.

How to see it

Like any astronomical target, PSR J2322-2650 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 PSR J2322-2650 b is an uncommon exoplanet

PSR J2322-2650 b scores 23 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 11 points would lift it into a rarer tier.

That score comes from 3 science badges — Confirmed exoplanet, Gas giant and Ultra-short period — 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.