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Space Astro
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Info for exoplanet "Prosmir"
| Scientific (actual) data |
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| Name | HD 137496 b |
| Planet status | Confirmed |
| Planet mass | 0.01271 |
| Radius | 0.1169 |
| Orbital period | 1.62116 |
| Semi major axis | 0.02732 |
| Orbit eccentricity | 0 |
| Inclination | 85.8 |
| Discovered | 2021 |
| Updated | 2021-11-30 |
| Tzero tr | 2458040 |
| Impact parameter | 0.27 |
| K | 2.14 |
| Temperature (kelvin) | 2130 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Radial Velocity |
| Radius measurement type | Primary Transit |
| Alternate names | K2-364 b |
| Star name | HD 137496 |
| Right ascension | 231.74° |
| Declination | -16.51° |
| Wikipedia article | HD 137496 b |
Back
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| Fictional info (?) |
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| Suggested name | Prosmir |
| Planet type | Cold planet |
| It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 45°K (-228°C), and has a complex, layered cloud structure with argon thought to make up the lowest clouds, and hydrogen deuteride (HD) the uppermost layer of clouds. The planet telescopically displays the complete range of phases, similar to Venus and the Moon, as it moves in its inner orbit relative to HD 137496, which reoccurs over the so-called synodic period approximately every 162 days.
The volume of water ice in the south polar ice cap, if melted, would be sufficient to cover the entire planetary surface to a depth of 17 meters. |
| Atmosphere | Hydrogen deuteride (HD) | 63% |
| Argon | 37% |
| Neon | 0.18% |
| Methane | 0.035% |
| Ammonium hydrosulfide (NH4SH) | 0.013% |
| Atmospheric pressure | 0.0016 bar |
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| No known satellites |
| Google search for Prosmir |
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Website by Joachim Michaelis
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