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Space Astro
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Info for exoplanet "Sitieuan"
| Scientific (actual) data |
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| Name | HD 155358 b |
| Planet status | Confirmed |
| Mass sini | 0.85 |
| Orbital period | 194.3 |
| Semi major axis | 0.64 |
| Orbit eccentricity | 0.17 |
| Angular distance | 0.014884 |
| Discovered | 2007 |
| Updated | 2012-02-03 |
| Omega | 143 |
| Tperi | 2451220 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Star name | HD 155358 |
| Right ascension | 257.4° |
| Declination | 33.36° |
| Mag v | 7.27 |
| Star distance | 43 |
| Star metallicity | -0.51 |
| Star mass | 0.92 |
| Star sp type | G0 |
| Star age | 10.7 |
| Star temperature | 5900 |
| Wikipedia article | HD 155358 b |
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| Fictional info (?) |
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| Suggested name | Sitieuan |
| Planet type | Cold planet |
| 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 70°K (-203°C) at night to 1050°K (777°C) during the day across the equatorial regions.
Because of its rapid rotation, the planet's shape is that of an oblate spheroid (it has a slight but noticeable bulge around the equator).
lengthy voyage. |
| Atmosphere | 2H2O | 54% |
| Hydrogen deuteride (HD) | 39% |
| Ozone | 3.1% |
| Methane | 2.4% |
| Formaldehyde | 0.53% |
| Ethane | 7.0E-5% |
| Atmospheric pressure | 1.1 bar |
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| Moon | Mehyr Ban | Huge almost round ice moon |
| Farraq Karon | Medium-sized round oceanic comet |
| Tilao-ae | Very small round ice moon |
| Getetis | Huge round crater-filled moon |
| Satur Garet Briel | Huge round rocky asteroid |
| Repuck'edele | Very small round crater-filled planetoid |
| Kege Laotheus-ca | Large round rocky asteroid |
| Kasi | Small potato shaped rocky planetoid |
| Rideuces | Small round oceanic comet |
| Iakaariel'sa | Large slightly egg-shaped rocky asteroid |
| Tonprofar Tisdra | Very small round crater-filled planetoid |
| Laris-cali | Small potato shaped ice asteroid |
| Casida Muncli | Very small round ice asteroid |
| Google search for Sitieuan |
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Website by Joachim Michaelis
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