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Rare exoplanet 42 EP

HD 62364 b

RA 113.9053° · Dec -75.5443° · exoplanet

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Score breakdown

· 6 badges
42 pts · Rare
Rare 50 pts → Epic
  • Long-period world +10
  • Eccentric orbit +9
  • Frozen world +8
  • Multi-planet system +6
  • Confirmed exoplanet +5
  • Gas giant +4
Total score 42

8 more points to reach Epic.

Badges

  • Confirmed exoplanet · +5
  • Gas giant · +4
  • Frozen world · +8
  • Long-period world · +10
  • Eccentric orbit · +9
  • Multi-planet system · +6

Trivia

What makes it special

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

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.
  • Crowded system. One of at least 2 planets orbiting its star.

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 7.3 it is just past naked-eye reach — ordinary binoculars will pull it in.
  • Southern sky only. So far south it never rises for most of the northern hemisphere. To see it you'd have to travel to Chile, South Africa or Australia.
  • Best time of year. It stands highest in the middle of the night around January — that's when to go looking.

Properties

density gcc
18.5
diameter km
154350.02
discovery facility
Multiple Observatories
discovery method
Radial Velocity
discovery year
2022
dist ly
173.228
eccentricity
0.607
eq temp k
143.96
host star teff
6255
inclination
137.3
insolation
0.072
mag
7.32
mass earth
5965.6392
name
HD 62364 b
orbital period days
5138
radius earth
12.1
semi major au
6.15
spect
F7 V
sys num planets
2
sys num stars
1

About HD 62364 b

HD 62364 b is a rare exoplanet. It lies about 173.2 light-years from Earth, shines at apparent magnitude 7.32, has spectral type F7 V and has an equilibrium temperature near 144 K.

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

How to see it

At apparent magnitude 7.32, it is an easy target for binoculars.

Like any astronomical target, HD 62364 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 62364 b is a rare exoplanet

HD 62364 b scores 42 points on Spacedle's rarity scale, which places it in the rare tier. Another 8 points would lift it into a rarer tier.

That score comes from 6 science badges — Confirmed exoplanet, Gas giant, Frozen world, Long-period 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.