Epic exoplanet 47 EP
Kepler-129 c
RA 285.3112° · Dec 47.8485° · exoplanet
Score breakdown
· 6 badgesEpic 68 pts → Anomaly
- Denser than iron +18
- Distant (>1000 ly) +10
- Multi-planet system +6
- Confirmed exoplanet +5
- Sub-Neptune +5
- Found by Kepler +3
Total score 47
21 more points to reach Anomaly.
Badges
- Confirmed exoplanet · +5
- Sub-Neptune · +5
- Denser than iron · +18
- Multi-planet system · +6
- Found by Kepler · +3
- Distant (>1000 ly) · +10
Trivia
What makes it special
- Heavyweight. Packed denser than solid iron.
Could we get there?
- Verdict. Impossible with our current technology — and the next millennium of it.
Getting there
- Aboard Voyager 1. ≈ 23.4 million years at Voyager 1's speed (17 km/s).
- Fastest probe ever. ≈ 2.1 million years even at the Parker Solar Probe's 192 km/s.
- At 10% light speed. ≈ 13.3 thousand years in a starship at a tenth of light speed.
- Distance. 1333 light-years from Earth.
Look-back time
- Look-back time. The light you'd see left around the year 693.
Saying hello
- Say hello. A radio message and its reply would take 2667 years round-trip.
Standing on it
- A year here. A full year lasts just 82.2 Earth days.
By the numbers
- Size. About 2.5× the width of Earth.
- Volume. About 16 Earths could fit inside it.
- Mass. About 43× the mass of Earth.
- Your weight. You'd weigh about 6.8× your Earth weight standing here.
- Density. Denser than solid iron.
- Temperature. A scorching 252°C on average.
How we found it
- Discovery. Found by Kepler using the transit method.
Cosmic context
- Crowded system. One of at least 3 planets orbiting its star.
Properties
- density gcc
- 14.8
- discovery facility
- Kepler
- discovery method
- Transit
- dist ly
- 1333.4725
- eccentricity
- 0.2
- eq temp k
- 525
- insolation
- 17.554
- mass earth
- 43
- name
- Kepler-129 c
- orbital period days
- 82.2
- radius earth
- 2.52
- sys num planets
- 3