| Scientific (actual) data |
|---|
| Name | WASP-121 b |
| Planet status | Confirmed |
| Planet mass | 1.184 |
| Mass sini | 1.183 |
| Radius | 1.865 |
| Orbital period | 1.27493 |
| Semi major axis | 0.02544 |
| Orbit eccentricity | 0.02 |
| Inclination | 87.6 |
| Discovered | 2015 |
| Updated | 2025-08-12 |
| Tzero tr | 2456640 |
| Tzero tr sec | 2457780 |
| Lambda angle | 107.2 |
| K | 181.1 |
| Publication | Published in a refereed paper |
| Detection type | Primary Transit |
| Radius measurement type | Primary Transit |
| Molecules | Ba, C, Ca, Ca+, CO, Cr, Fe, Fe+, Fe I, Fe II, H, H2O, K, Li, Mg, Na, Ni, NI, O, Sc II, SH, SiO, Sr, Ti, TiO, V, VO |
| Star name | WASP-121 |
| Right ascension | 107.6° |
| Declination | -39.1° |
| Mag v | 10.4 |
| Star distance | 270 |
| Star metallicity | 0.13 |
| Star mass | 1.353 |
| Star radius | 1.458 |
| Star sp type | F6V |
| Star temperature | 6460 |
| Wikipedia article | WASP-121 b |
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| |
| Fictional info (?) |
|---|
| Suggested name | Eukaso |
| Planet type | Hot gas giant |
| Wind speeds can reach 126 metres per second. |
| Atmosphere | H2O, | 16% |
| Ca+, | 16% |
| TiO, | 14% |
| Fe, | 11% |
| VO | 7.5% |
| Ni, | 7.5% |
| V, | 7.3% |
| Ba, | 5.6% |
| Cr, | 4.3% |
| Ti, | 3.6% |
| Sr, | 1.7% |
| Fe+, | 1.6% |
| K, | 0.8% |
| SH, | 0.45% |
| O, | 0.4% |
| H, | 0.32% |
| Fe | 0.29% |
| II, | 0.25% |
| I, | 0.24% |
| Li, | 0.17% |
| SiO, | 0.11% |
| NI, | 0.099% |
| Na, | 0.037% |
| C, | 0.031% |
| Sc | 0.028% |
| CO, | 0.026% |
| Ca, | 1.0E-6% |
| Mg, | 0% |
| Atmospheric pressure | 0.03 bar |
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| No known satellites |
| Google search for Eukaso |
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