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Epic exoplanet 52 EP

PH2 b

RA 289.7636° · Dec 51.9627° · exoplanet

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Score breakdown

· 5 badges
52 pts · Epic
Epic 68 pts → Anomaly
  • In the habitable zone +30
  • Distant (>1000 ly) +10
  • Confirmed exoplanet +5
  • Gas giant +4
  • Found by Kepler +3
Total score 52

16 more points to reach Anomaly.

Badges

  • Confirmed exoplanet · +5
  • In the habitable zone · +30
  • Gas giant · +4
  • Found by Kepler · +3
  • Distant (>1000 ly) · +10

Trivia

What makes it special

  • Goldilocks zone. Sits where it's neither too hot nor too cold — liquid water could exist.

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 19.7 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 1.8 million years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 11.2 thousand years in a starship at a tenth of light speed.
  • Distance. 1122 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 904.

Saying hello

  • Say hello. A radio message and its reply would take 2243 years round-trip.

Standing on it

  • A year here. A full year lasts just 283 Earth days.

By the numbers

  • Size. About 9.3× the width of Earth.
  • Volume. About 814 Earths could fit inside it.
  • Mass. Roughly 87.1× Earth's mass — about 0.3 Jupiters.
  • Your weight. You'd weigh about 1.0× your Earth weight standing here.
  • Density. Less dense than water — drop it in a big enough ocean and it would float.
  • Temperature. A surprisingly temperate 22°C average.

How we found it

  • Discovery. Found by Kepler using the transit method.

Properties

density gcc
0.58
discovery facility
Kepler
discovery method
Transit
dist ly
1121.5298
eccentricity
0.215
eq temp k
295.1
habitable zone
yes
insolation
1.2
mass earth
87.085
name
PH2 b
orbital period days
282.5254
radius earth
9.3371
sys num planets
1
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Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.