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Info for exoplanet "Petodora-tho"


Scientific (actual) data
PlanetHD 74156 c
Planet statusConfirmed
Mass sini7.997
Orbital period2448.9
Semi major axis3.82
Orbit eccentricity0.3829
Angular distance0.052664
Discovered2003
Updated2016-01-15
Omega268.9
Tperi2448560
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Star nameHD 74156
Right ascension130.6°
Declination4.58°
Mag v7.62
Star distance64.56
Star metallicity0.13
Star mass1.24
Star radius1.64
Star sp typeG1V
Star age3.7
Star temperature5960
Wikipedia articleHD 74156 c

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Fictional info (?)
Suggested namePetodora-tho
Planet typeCold planet
Petodora-tho is the fourth planet from HD 74156 and the second-smallest planet in its solar system.

It is named after the deity Petodora-tho, the bringer of dreams.

Two spacecraft have visited Petodora-tho: Frontier 9 flew by 27 years ago; and Messenger, launched 11 years ago, orbited Petodora-tho over 135 times in four years before exhausting its plasma drive and crashing into the planet's atmosphere 4 years later.

Petodora-tho is by far the hottest planet in its solar system, with a mean surface temperature of 305°K (32°C). It may have had hydrogen peroxide oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect.

Petodora-tho has been explored on several occasions by robotic spacecraft, most notably during the early Pioneer and Daedalus flyby missions and later by the Hawking orbiter.
AtmosphereMolecular hydrogen67%
Carbon monoxide32%
Hydrogen peroxide0.41%
Ethane0.29%
Krypton0.039%
Atmospheric pressure0.5 bar
artist's rendition
MoonKopanleneHuge potato shaped gaseous planetoid
Deuces-gaLarge round rocky asteroid
CalilogeSmall round rocky moon
Sinus BosHuge potato shaped gaseous moon
Bethide-aeMedium-sized irregular gaseous asteroid
Elde Cahionn'narHuge slightly egg-shaped rocky asteroid
Heranan GalaHuge slightly egg-shaped rocky moon
Theejahe NoeHuge irregular oceanic asteroid
Iamos NaMedium-sized irregular ice moon
Palloge-medesVery small potato shaped rocky asteroid
Rhea Jamal-teVery small irregular rocky moon
BoscorbanLarge round rocky moon
Mecres'metrin PsaLarge round crater-filled asteroid
Google search for Petodora-tho


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