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Info for exoplanet "Tisos Ad"


Scientific (actual) data
PlanetHIP 74890 b
Planet statusConfirmed
Mass sini2.4
Orbital period822.3
Semi major axis2.1
Orbit eccentricity0.07
Discovered2016
Updated2016-03-17
Omega181.9
Tperi2459820
K36.5
PublicationPublished in a refereed paper
Detection typeRadial Velocity
Mass detection typeRadial Velocity
Star nameHIP 74890
Right ascension229.57°
Declination-41.42°
Mag v7.05
Star distance91.6
Star metallicity0.2
Star mass1.74
Star radius5.77
Star sp typeK1III
Star temperature4850
Wikipedia articleHIP 74890 b

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Fictional info (?)
Suggested nameTisos Ad
Planet typeCold planet
It is the second-brightest natural object in the night sky after Sezig Aruge, reaching an apparent magnitude of -5 - bright enough to cast shadows at night and, sometimes, visible to the naked eye in broad daylight.

This planet is named after the deity Tisos Ad, the spirit of destruction.

An observer on Tisos Ad would therefore see only one day every five years.

Having almost no atmosphere to retain heat, it has surface temperatures that vary diurnally more than on any other planet in its solar system, ranging from 170°K (-103°C) at night to 1190°K (917°C) during the day across the equatorial regions.

Tisos Ad was one of the first planets to have its motions plotted across the sky - as early as the second millennium BC.

Tisos Ad can easily be seen from Sezig Aruge with the naked eye, as can its blueish coloring.

The latest probe to visit the planet is Juno, which entered into orbit around Tisos Ad after a lengthy trip.
AtmosphereAmmonium hydrosulfide (NH4SH)52%
Sulfur dioxide46%
Water vapor2%
Argon0.14%
Atmospheric pressure0.7 bar
artist's rendition
MoonNesura PiMedium-sized slightly egg-shaped oceanic planetoid
Ysuhe Jopob AtLarge irregular rocky asteroid
Arof Uror YxiquLarge slightly egg-shaped oceanic asteroid
Izuhebe-toSmall slightly egg-shaped oceanic moon
Konir-oreninVery small round rocky moon
EkutazoSmall round ice moon
Eparo Geziv'unaVery small almost round crater-filled moon
Irijy HuceSmall round crater-filled moon
Yver Etez UjHuge round rocky comet
Ubiz Enof'ateVery small irregular crater-filled planetoid
Xiqu-reni ReseVery small potato shaped rocky moon
Adom'uqVery small round rocky moon
Zopisot'asotVery small round oceanic moon
KixijaMedium-sized potato shaped rocky asteroid
IraduLarge potato shaped rocky comet
AfemyHuge slightly egg-shaped rocky moon
Omol Eruh-iqSmall irregular oceanic asteroid
JavetVery small round rocky asteroid
Cinaqad YcirSmall round crater-filled asteroid
Fidox Irame'nufLarge round gaseous planetoid
Onenese BukifusHuge slightly egg-shaped gaseous asteroid
Inud-yHuge irregular ice moon
Enital-orehodHuge slightly egg-shaped ice moon
Exuwek IdequMedium-sized slightly egg-shaped gaseous comet
YmuvoSmall round ice asteroid
Sonife CyfanikSmall potato shaped rocky asteroid
Pevaj'ycSmall potato shaped rocky comet
Tawow Iqare SihVery small round ice moon
Wifuce-ciququsSmall slightly egg-shaped rocky moon
NerawesiLarge slightly egg-shaped rocky moon
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