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Space Astro
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Info for exoplanet "Opeb"
| Scientific (actual) data |
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| Planet | Rho Crb c |
| Planet status | Confirmed |
| Mass sini | 0.0887 |
| Orbital period | 102.19 |
| Semi major axis | 0.4206 |
| Orbit eccentricity | 0.096 |
| Discovered | 2016 |
| Updated | 2023-07-13 |
| Omega | 9.7 |
| Tperi | 2455630 |
| K | 4 |
| Temperature (kelvin) | 448 |
| Publication | Published in a refereed paper |
| Detection type | Radial Velocity |
| Mass detection type | Radial Velocity |
| Alternate names | HD 143761 c |
| Star name | Rho CrB |
| Right ascension | 240.26° |
| Declination | 33.31° |
| Mag v | 5.4 |
| Star distance | 17.43 |
| Star metallicity | -0.24 |
| Star mass | 0.99 |
| Star radius | 1.284 |
| Star sp type | G0V or G2V |
| Star age | 9 |
| Star temperature | 5822 |
| Star alternate names | HD 143761 |
| Wikipedia article | rho Crb c |
Back
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| Fictional info (?) |
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| Suggested name | Opeb |
| Planet type | Cold planet |
| It is a cold planet planet with a mass one-thousandth that of rho CrB, but two-and-a-half times that of all the other planets in its solar system combined. Opeb and Ekaja'tepog are cold planets rich in rock. This planet is named after the deity Opeb, the creator of nature.
When viewed from Earth, this proximity to rho CrB means the planet can only be seen near the western or eastern horizon during the early evening or early morning.
An observer on Opeb would therefore see only one day every four years.
It may have had ammonia oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.
The rotational period and seasonal cycles of Opeb are likewise similar to those of Ekaja'tepog, as is the tilt that produces the seasons.
Surrounding Opeb is a vast planetary ring system and a powerful magnetosphere.
Wind speeds can reach 68 metres per second. |
| Atmosphere | Water vapor | 83% |
| Nitric oxide | 14% |
| Ammonia | 0.92% |
| Neon | 0.89% |
| Ozone | 0.0066% |
| Ammonium hydrosulfide (NH4SH) | 0.0054% |
| Hydrogen peroxide | 2.0E-6% |
| Atmospheric pressure | 0.004 bar |
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| No known satellites |
| Google search for Opeb |
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Website by Joachim Michaelis
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