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Space Astro
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Info for exoplanet "Frantus-greip"
| Scientific (actual) data |
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| Name | HD 191939 d |
| Planet status | Confirmed |
| Planet mass | 0.0182 |
| Radius | 0.2712 |
| Orbital period | 38.3525 |
| Semi major axis | 0.207 |
| Orbit eccentricity | 0 |
| Inclination | 89.43 |
| Discovered | 2020 |
| Updated | 2023-06-02 |
| Tzero tr | 2458740 |
| Impact parameter | 0.438 |
| K | 0.6 |
| Temperature (kelvin) | 549 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Mass measurement type | Radial Velocity |
| Radius measurement type | Primary Transit |
| Alternate names | TOI-1339 d |
| Star name | HD 191939 |
| Right ascension | 302.03° |
| Declination | 66.85° |
| Mag v | 9 |
| Star distance | 53.608 |
| Star metallicity | -0.16 |
| Star mass | 0.81 |
| Star radius | 0.945 |
| Star sp type | G8V |
| Star age | 7 |
| Star temperature | 5427 |
| Wikipedia article | HD 191939 d |
Back
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| Fictional info (?) |
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| Suggested name | Frantus-greip |
| Planet type | Cold planet |
| As seen from HD 191939, in a frame of reference that rotates with the orbital motion, it appears to rotate only once every two years. |
| Atmosphere | Argon | 47% |
| Methane | 45% |
| Hydrogen peroxide | 6% |
| Water vapor | 0.56% |
| Ammonia | 0.11% |
| Hydrogen | 0.0052% |
| Atmospheric pressure | 7 bar |
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| Moon | Greipha | Medium-sized round rocky comet |
| Tanymir Nomia | Large round rocky moon |
| Pauqophe | Large round rocky comet |
| Rica'thi | Large potato shaped gaseous moon |
| Onede'da | Small slightly egg-shaped rocky comet |
| Lenehy-ca | Huge slightly egg-shaped oceanic comet |
| Lilyke Noetur | Large potato shaped rocky asteroid |
| Pehimun-si | Medium-sized potato shaped rocky moon |
| Google search for Frantus-greip |
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Website by Joachim Michaelis
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