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Space Astro
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Info for exoplanet "Julskaka Phaë"
Scientific (actual) data |
Planet | TOI-4138 b |
Planet status | Confirmed |
Planet mass | 0.67 |
Radius | 1.49 |
Orbital period | 3.66003 |
Semi major axis | 0.051 |
Orbit eccentricity | 0.03 |
Inclination | 86 |
Discovered | 2021 |
Updated | 2021-10-04 |
Omega | 20 |
Tzero tr | 2451710 |
Impact parameter | 0.42 |
K | 74 |
Temperature (kelvin) | 1762 |
Publication | Published in a refereed paper |
Detection type | Primary Transit |
Mass detection type | Radial Velocity |
Radius detection type | Primary Transit |
Star name | TOI-4138 |
Right ascension | 152.53° |
Declination | 72.71° |
Mag v | 11.8 |
Star distance | 507 |
Star mass | 1.32 |
Star radius | 1.82 |
Star age | 9.54 |
Wikipedia article | TOI-4138 b |
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Fictional info (?) |
Suggested name | Julskaka Phaë |
Planet type | Cold gas giant |
It is named after the deity Julskaka Phaë, the demon of good fortune.
An observer on Julskaka Phaë would therefore see only one summer every two years.
Its orbital eccentricity is the largest of all known planets in its solar system; at perihelion, Julskaka Phaë's distance from TOI-4138 is only about two-thirds (or 46 pct) of its distance at aphelion. Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 85°K (-188°C) at night to 910°K (637°C) during the day across the equatorial regions.
The atmospheric pressure at the planet's surface is 0.4 bar, or roughly the pressure found 720 m under the oceans of Earth. Julskaka Phaë's surface is a dry desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism. |
Atmosphere | Ammonia | 39% |
2H2O | 25% |
Hydrogen deuteride (HD) | 18% |
Nitric oxide | 15% |
Nitrogen | 2% |
Molecular hydrogen | 1.1% |
Argon | 0.11% |
Methane | 9.8E-5% |
Atmospheric pressure | 0.4 bar |
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No known satellites |
Google search for Julskaka phaë |
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Website by Joachim Michaelis
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