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Space Astro
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Info for exoplanet "Erkyun-zyu"
| Scientific (actual) data |
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| Name | 55 Cnc Af |
| Planet status | Confirmed |
| Mass sini | 0.1479 |
| Orbital period | 260.91 |
| Semi major axis | 0.7733 |
| Orbit eccentricity | 0.08 |
| Angular distance | 0.06329 |
| Discovered | 2007 |
| Updated | 2024-06-19 |
| Omega | 139 |
| Tperi | 2451880 |
| K | 4.8 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass measurement type | Radial Velocity |
| Alternate names | Rho1 Cnc Af |
| Star name | 55 Cnc A |
| Right ascension | 133.15° |
| Declination | 28.33° |
| Mag v | 5.95 |
| Mag j | 4.59 |
| Mag h | 4.14 |
| Mag k | 4.015 |
| Star distance | 12.5855 |
| Star metallicity | 0.35 |
| Star mass | 0.9 |
| Star radius | 0.963 |
| Star sp type | K0V |
| Star age | 10.2 |
| Star temperature | 5250 |
| Star alternate names | Rho1 Cnc, HD 75732, GJ 324 A, rho1 Cnc A, TOI-1773 |
| Wikipedia article | 55 Cnc Af |
Back
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| Fictional info (?) |
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| Suggested name | Erkyun-zyu |
| Planet type | Cold planet |
| When viewed from Earth, this proximity to 55 Cnc A means the planet can only be seen near the western or eastern horizon during the early evening or early morning.
As seen relative to the fixed stars, it rotates on its axis exactly three times for every two revolutions it makes around 55 Cnc A. |
| Atmosphere | Xenon | 51% |
| Hydrogen deuteride (HD) | 33% |
| Nitric oxide | 12% |
| Hydrogen | 2% |
| Sulfur dioxide | 1.3% |
| Neon | 0.061% |
| Ozone | 0.017% |
| Carbonyl sulfide | 0.015% |
| Oxygen | 0.00057% |
| Atmospheric pressure | 0.0016 bar |
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| No known satellites |
| Google search for Erkyun-zyu |
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Website by Joachim Michaelis
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