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Info for exoplanet "Nejo'jede"


Scientific (actual) data
PlanetHD 72892 b
Planet statusConfirmed
Mass sini5.45
Orbital period39.475
Semi major axis0.228
Orbit eccentricity0.423
Discovered2016
Updated2016-04-02
Omega353
K318.4
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameHD 72892
Right ascension128.72°
Declination-14.46°
Mag v8.83
Star distance72.78
Star metallicity0.25
Star mass1.02
Star radius1.22
Star sp typeG5V
Star age8
Star temperature5688
Wikipedia articleHD 72892 b

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Fictional info (?)
Suggested nameNejo'jede
Planet typeCold planet
It is the coldest planetary atmosphere in its solar system, with a minimum temperature of 80°K (-193°C), and has a complex, layered cloud structure with nitric oxide thought to make up the lowest clouds, and ammonium hydrosulfide (NH4SH) the uppermost layer of clouds. This planet is named after the deity Nejo'jede, the spirit of the underworld.

It is radically different from Earth in other respects. It may have had ammonia oceans in the past, but these would have vaporized as the temperature rose due to a runaway greenhouse effect. Nejo'jede's surface is a barren desertscape interspersed with slab-like rocks and is periodically resurfaced by volcanism.

The volume of water ice in the south polar ice cap, if melted, would be sufficient to cover the entire planetary surface to a depth of 19 meters.
AtmosphereAmmonium hydrosulfide (NH4SH)44%
Nitric oxide32%
Ammonia17%
Krypton5.3%
Molecular hydrogen1.4%
Carbon dioxide0.0014%
Atmospheric pressure0.06 bar
artist's rendition
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Weno CebVery small potato shaped rocky moon
Ydawa DoVery small potato shaped rocky moon
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Kybun OsezegMedium-sized slightly egg-shaped crater-filled planetoid
Cerusij ArogytSmall slightly egg-shaped ice moon
Minu Cufi WenHuge round rocky moon
ExipHuge potato shaped rocky moon
YwamajLarge irregular crater-filled asteroid
Pixu CisLarge slightly egg-shaped rocky comet
Eciz-itanVery small slightly egg-shaped ice planetoid
Beja-gydunLarge round oceanic moon
Nusi VunimSmall potato shaped rocky comet
AmonLarge round rocky asteroid
OqurHuge irregular rocky asteroid
OlenoHuge irregular rocky moon
Tezu'cerakHuge irregular crater-filled moon
Omyqir OmiHuge slightly egg-shaped ice comet
Raqe HeqiMedium-sized slightly egg-shaped rocky asteroid
OfilimVery small almost round oceanic moon
IcebapMedium-sized potato shaped rocky moon
MujunVery small almost round gaseous asteroid
Tivufar AsonetMedium-sized almost round oceanic moon
Atyjaj UbiLarge slightly egg-shaped oceanic comet
Tusotuz'oVery small round rocky moon
NonocVery small almost round rocky moon
Ronuj Ohuza-maqVery small almost round ice planetoid
Revo Nanu BefaMedium-sized almost round ice moon
IwocisLarge irregular gaseous planetoid
EpifVery small almost round rocky asteroid
Winy Wono MiLarge almost round oceanic asteroid
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