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Space Astro
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Info for exoplanet "Houbyukyu-bya"
| Scientific (actual) data |
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| Name | 55 Cnc Ac |
| Planet status | Confirmed |
| Mass sini | 0.1781 |
| Orbital period | 44.3936 |
| Semi major axis | 0.247 |
| Orbit eccentricity | 0.088 |
| Angular distance | 0.019473 |
| Discovered | 2002 |
| Updated | 2026-09-02 |
| Omega | 31 |
| Tperi | 2453980 |
| Tconj | 2455490 |
| K | 10.17 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass measurement type | Radial Velocity |
| Alternate names | Rho1 Cnc Ac |
| 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 Ac |
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| Fictional info (?) |
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| Suggested name | Houbyukyu-bya |
| Planet type | Cold planet |
| It has the densest atmosphere of any cold planets, consisting primarily of carbon monoxide. |
| Atmosphere | Carbon monoxide | 93% |
| Hydrogen chloride | 6.9% |
| Atmospheric pressure | 80 bar |
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| No known satellites |
| Google search for Houbyukyu-bya |
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Website by Joachim Michaelis
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