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Info for exoplanet "Porpapros"


Scientific (actual) data
PlanetGJ 15A b
Planet statusConfirmed
Mass sini0.00953
Orbital period11.4407
Semi major axis0.072
Orbit eccentricity0.094
Discovered2014
Updated2020-03-29
Omega60
Tperi2457000
K1.68
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Alternate namesHD 1326A b
Star nameGJ 15A
Right ascension4.6°
Declination44.02°
Mag v8.08
Star distance3.587
Star metallicity-0.32
Star mass0.375
Star radius0.3863
Star sp typeM2V
Star temperature3567
Star alternate namesHD 1326A, HIP 1475, GX Andromedae, Groombridge 34, M2
Wikipedia articleGJ 15A b

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Fictional info (?)
Suggested namePorpapros
Planet typeTerrestrial
When viewed from Kelia An, Porpapros can reach an apparent magnitude of -3, bright enough for its reflected light to cast shadows, and making it on average the third-brightest object in the night sky. This planet is named after the deity Porpapros, the demon of chaos.

Two spacecraft have visited Porpapros: Wayfinder 7 flew by 17 years ago; and Messenger, launched 8 years ago, orbited Porpapros over 155 times in four years before exhausting its plasma drive and crashing into the planet's surface 4 years later.

Future astrobiology missions are planned, including the Porpapros 1000 and ExoPorpapros rovers.

Its apparent magnitude reaches -3, which is surpassed only by Kelia An, Metar Prax, and GJ 15A.

The largest moon is occupied by aggressive primordial bacteria, the "Meferpan He", which feed on the surface by eating a substance called "Epiorix Tonix". Most of them are somewhat related to Idinis Por but have 4 eyes and vary in length from 11 to 20 cm. Meferpan He are known to survive temperatures from -30 to 30°C and ultra violet light which is common on this planet.
Estimated population0.004
AtmosphereOxygen95%
Methane4.8%
Water0.089%
Carbon dioxide0%
Atmospheric pressure0.03 bar
artist's rendition
MoonAechaano'desMedium-sized slightly egg-shaped ice asteroid
Google search for Porpapros


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