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Space Astro
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Info for exoplanet "Yoush"
| Scientific (actual) data |
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| Planet | HD 28254 A b |
| Planet status | Confirmed |
| Mass sini | 1.16 |
| Orbital period | 1116 |
| Semi major axis | 2.15 |
| Orbit eccentricity | 0.81 |
| Angular distance | 0.038256 |
| Discovered | 2009 |
| Updated | 2019-12-12 |
| Omega | 301 |
| Tperi | 4049 |
| Publication | Submitted to a professional journal |
| Detection type | Radial Velocity |
| Alternate names | HD 28254 b |
| Star name | HD 28254 A |
| Right ascension | 66.21° |
| Declination | -50.62° |
| Mag v | 7.71 |
| Star distance | 56.2 |
| Star metallicity | 0.36 |
| Star mass | 1.06 |
| Star radius | 1.48 |
| Star sp type | G1IV/V |
| Star temperature | 5664 |
| Star alternate names | HD 28254 |
| Wikipedia article | HD 28254 A b |
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| Fictional info (?) |
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| Suggested name | Yoush |
| Planet type | Cold planet |
| This cold planet is named after the deity Yoush, the messenger of nature.
When viewed from Earth, this proximity to HD 28254 A means the planet can only be seen near the western or eastern horizon during the early evening or early morning.
Yoush's axis has the smallest tilt of any of its solar system's planets.
Two spacecraft have visited Yoush: Frontier 7 flew by 26 years ago; and Messenger, launched 21 years ago, orbited Yoush over 170 times in four years before exhausting its plasma drive and crashing into the planet's atmosphere 12 years later.
Liquid water cannot exist on the surface of Yoush due to low atmospheric pressure, which is less than 3 percent of Earth's, except at the highest elevations for short periods.
A prominent result is the "great green spot", a giant storm that is known to have existed for centuries since it was first observed by radar.
Future targets for exploration in the Yoush system include the probable ice-covered liquid ocean of its moon Axyaoh. |
| Atmosphere | Methane | 96% |
| Xenon | 2.5% |
| Ozone | 1.2% |
| Hydrogen | 0.058% |
| Helium | 0.018% |
| Atmospheric pressure | 0.0012 bar |
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| Moon | Axyaoh | Very small potato shaped crater-filled asteroid |
| Jeiker Lwuqyin | Huge round oceanic planetoid |
| Yaoje'cwaqanj | Huge potato shaped oceanic asteroid |
| Xanlwan | Very small irregular gaseous planetoid |
| Haowwuw | Very small potato shaped gaseous comet |
| Yaogyu Pwang | Large almost round rocky moon |
| Wyun Lyes Anx | Large round gaseous moon |
| Aoheicwan'dyun | Large round rocky moon |
| Anmengch'yu | Medium-sized irregular rocky moon |
| Cyaos Weng | Large slightly egg-shaped oceanic asteroid |
| Rexyun | Very small round gaseous moon |
| Hyuer Yaodwa | Very small irregular rocky moon |
| Xyaod An | Small almost round rocky asteroid |
| Angpeng-n | Huge slightly egg-shaped rocky moon |
| Ewyuxweig | Huge potato shaped rocky moon |
| Yuzhying Shwan | Medium-sized round ice comet |
| Bwadyang | Small round oceanic asteroid |
| Dengtos Aoshyun | Medium-sized almost round rocky asteroid |
| Google search for Yoush |
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Website by Joachim Michaelis
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