Rare exoplanet 37 EP
Kepler-396 b
RA 296.1328° · Dec 48.9773° · exoplanet
Score breakdown
· 5 badgesRare 46 pts → Epic
- Denser than iron +18
- Multi-planet system +6
- Confirmed exoplanet +5
- Sub-Neptune +5
- Found by Kepler +3
Total score 37
9 more points to reach Epic.
Badges
- Confirmed exoplanet · +5
- Sub-Neptune · +5
- Denser than iron · +18
- Multi-planet system · +6
- Found by Kepler · +3
Trivia
What makes it special
- Heavyweight. Packed denser than solid iron.
Could we get there?
- Verdict. Hopelessly far for any craft humanity can build today.
Getting there
- Aboard Voyager 1. ≈ 12.8 million years at Voyager 1's speed (17 km/s).
- Fastest probe ever. ≈ 1.1 million years even at the Parker Solar Probe's 192 km/s.
- At 10% light speed. ≈ 7298 years in a starship at a tenth of light speed.
- Distance. 730 light-years from Earth.
Look-back time
- Look-back time. The light you'd see left around the year 1296.
Saying hello
- Say hello. A radio message and its reply would take 1460 years round-trip.
Standing on it
- A year here. A full year lasts just 43 Earth days.
By the numbers
- Size. About 3.5× the width of Earth.
- Volume. About 42.9 Earths could fit inside it.
- Mass. Roughly 75.5× Earth's mass — about 0.2 Jupiters.
- Your weight. You'd weigh about 6.2× your Earth weight standing here.
- Density. Denser than solid iron.
- Temperature. A scorching 223°C on average.
How we found it
- Discovery. Found by Kepler using the transit method.
Cosmic context
- Crowded system. One of at least 2 planets orbiting its star.
Properties
- density gcc
- 9.68
- discovery facility
- Kepler
- discovery method
- Transit
- dist ly
- 729.7969
- eccentricity
- 0
- eq temp k
- 496
- insolation
- 13.731
- mass earth
- 75.5
- name
- Kepler-396 b
- orbital period days
- 42.994
- radius earth
- 3.5
- sys num planets
- 2