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Space Astro
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Info for exoplanet "Fiset-ene"
Scientific (actual) data |
Planet | Kepler-178 d |
Planet status | Confirmed |
Radius | 0.352 |
Orbital period | 96.679 |
Semi major axis | 0.397 |
Discovered | 2014 |
Updated | 2021-02-05 |
Tconj | 2454970 |
Impact parameter | 0.87 |
Publication | Announced on a website |
Detection type | Primary Transit |
Alternate names | 2MASS J19082426+4653473 d, K00528.02, KIC 9941859 d, KOI-528 d, KOI-528.02, WISE J190824.25+465347.1 d |
Star name | Kepler-178 |
Right ascension | 287.1° |
Declination | 46.9° |
Mag j | 13.28 |
Mag h | 12.967 |
Mag k | 12.899 |
Star distance | 731.04 |
Star metallicity | -0.188 |
Star radius | 1.07 |
Star temperature | 5676 |
Star alternate names | 2MASS J19082426+4653473, KIC 9941859, KOI-528, WISE J190824.25+465347.1 |
Wikipedia article | Kepler-178 d |
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Fictional info (?) |
Suggested name | Fiset-ene |
Planet type | Cold planet |
It has the longest rotation period (445 days) of any planet in its solar system and rotates in the opposite direction to most other planets.
Fiset-ene is similar in composition to Tovut, and both have different bulk chemical composition from that of the larger cold planets. It is named after the deity Fiset-ene, the demon of war.
As seen relative to the fixed stars, it rotates on its axis exactly two times for every three revolutions it makes around Kepler-178. As seen from Kepler-178, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years.
Fiset-ene's surface appears partially bruised and is similar in appearance to the Moon's, indicating that it has been geologically inactive for billions of years.
Fiset-ene is by far the hottest planet in its solar system, with a mean surface temperature of 718°K (445°C). Fiset-ene's surface is a barren desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism.
It was the one of the first exoplanets visited by a spacecraft, and one of the first to be successfully landed on. Plans have been proposed for rovers or more complex missions, but they are hindered by Fiset-ene's hazardous precipitation. |
Atmosphere | Hydrogen chloride | 50% |
Hydrogen deuteride (HD) | 30% |
Sulfur dioxide | 11% |
Ammonium hydrosulfide (NH4SH) | 7% |
Krypton | 1.7% |
Hydrogen peroxide | 0.00047% |
Carbon dioxide | 9.0E-6% |
Atmospheric pressure | 0.5 bar |
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Moon | Relise | Medium-sized potato shaped crater-filled planetoid |
Efotur | Large slightly egg-shaped rocky moon |
Nebite | Huge slightly egg-shaped ice comet |
Qotit | Medium-sized irregular rocky moon |
Nupojig En | Very small irregular ice asteroid |
Avexar Ipa | Huge slightly egg-shaped rocky planetoid |
Ohat | Very small round gaseous asteroid |
Ohote Qo | Large potato shaped ice planetoid |
Google search for Fiset-ene |
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Website by Joachim Michaelis
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