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H'tat'sa'thoss
Galactography > Regions of Space > Middle Regions/Hinter-regions
Galactography > Systems and Worlds > Systems & Worlds G - H
Sophonts > Xenosophonts > To'ul'hs
Galactography > Systems and Worlds > Systems & Worlds G - H
Sophonts > Xenosophonts > To'ul'hs
The system containing Tohul, home planet of the To'ul'hs | |
 Image from Dangerous Safety | |
| The H'tat'sa'thoss system | |
H'tat'sa'thoss System - Data Panel | |
| System | H'tat'sa'thoss System - The system containing Tohul, home system of the To'ul'hs |
|---|---|
| Primary | H'tat'sa'thoss, (JD 870135) |
| Location | - Constellation Ophiuchus - Distance from NGC 6633: 11 ly (J2000) - Distance from Sol: 1235 ly (J2000) |
| Star | H'tat'sa'thoss (JD 870135, YTS 44290-19101-1) Physical characteristics: - Mass: 2.14E30kg ( 1.074 x Sol) - Radius: 764520 km ( 1.1 x Sol) - Luminosity: 1.36 x Sol (bolometric) - Temperature: 5954.33 Kelvin - Spectral type: G0V - Age: 3.1 Gigayears Sunlike star somewhat younger than Sol |
| Planet b | Name = Sh'ssol Orbital characteristics: - Semi-major axis: 0.274 AU - Orbital period: 0.138 standard years - Eccentricity: 0.19 Physical characteristics: - EWoCS Type: Vesperian Hermian LapiMinervan BrimoArean (Tundral) - NoLWoCS Type: Vesperian Hermian - Mass: 1.8E24kg (0.302 x Earth) - Radius: 4160 km - Density: 5979 kg/m^3 - Mean surface acceleration: 6.95 m/s^2 (0.708 gees) - Rotation period: Tidally Locked - Obliquity: 0.1 ° - Albedo: 0.4 - Average surface temperature: 564 K Atmosphere: - Surface pressure 0.09 bar: - Composition: Sulphuric acid, carbon dioxide Description: Tidally locked world with a thin but corrosive atmosphere; small population of vecs, mostly on the cooler dark side |
| Planet c | Name = To'hso'lo Orbital characteristics: - Semi-major axis: 0.696 AU - Orbital period: 0.560 standard years - Eccentricity: 0.015 Physical characteristics: - EWoCS Type: AcidiTerrestrial LapiMinervan CapniCytherean - NoLWoCS Type: Cytherean - Mass: 1.13E25kg ( 1.89 x Earth) - Radius: 7773 km ( 1.22 x Earth) - Density: 5738 kg/m^3 - Mean surface acceleration: 12.47 m/s^2 ( 1.27 gees) - Rotation period: 209 standard hours - Obliquity: 18 ° - Albedo: 0.79 - Average surface temperature: 798 K Atmosphere: - Surface pressure: 211 bar - Composition: Carbon Dioxide, Nitrogen, hazes Description: Hot venus-like world, with numerous orbiting habitats built from extracted carbon allotropes (population largely To'ul's, toulhumans and human-derived sophonts |
 Image from Steve Bowers | |
| Tohul - 'Home of the To'ul'hs'. The green colour is skyplankton floating in the upper atmosphere's photic zone | |
| Planet d | Name = Tohul (This name means 'Home of the To'ul'hs' in the local record-keeping language) Orbital characteristics: - Semi-major axis: 1.068 AU - Orbital period: 1.065 standard years - Eccentricity: 0.018 Physical characteristics: - EWoCS Type: HydroTerrestrial LapiRhean CapniCytherean AquaTohulian - NoLWoCS Type: To'ul'hian - Mass: 8.74E24kg ( 1.464 x Earth) - Radius: 7085 km ( 1.11 x Earth) - Density: 5870 kg/m^3 - Mean surface acceleration: 12.47 m/s^2 ( 1.18 gees) - Rotation period: 19.05 standard hours - Obliquity: 7 ° - Albedo: 0.89 - Average surface temperature: 412 K Atmosphere: - Surface pressure: 211 bar - Composition: Carbon Dioxide, Nitrogen, hazes Description: Tohul is a life-bearing, macrobial world with a high atmospheric water content, the type world of Tohulian worlds all over the galaxy. The planet supports a relatively advanced civilisation that was contacted by Terragen explorers in 4011 AT. More details here |
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| Planet e | Name = K'lo'sho Orbital characteristics: - Semi-major axis: 1.773 AU - Orbital period: 2.278 standard years - Eccentricity: 0.023 Physical characteristics: - EWoCS Type: TholiNeptunian CereJotunnian - NoLWoCS Type: Superterrestrial - Mass: 3.29E25kg (5.36 x Earth) - Radius: 16756 km (2.63 x Earth) - Density: 1624 kg/m^3 - Mean acceleration at cloud-tops: 7.61 m/s^2 ( 0.775 gees) - Rotation period: 17.75 standard hours - Obliquity: 17 ° - Albedo: 0.43 - Average surface temperature: 243 K Atmosphere: - Surface pressure: 211 bar - Composition: Hydrogen, Helium, water vapour, tholian hazes Description: K'lo'sho is a superterrestrial gas dwarf/subneptune with a hydrogen-rich atmosphere and a respectable population housed in bubblehabs. An important centre for To'ul'hian academic research into Terragen cultural influences. |
| Planet f | Name = H'a'thass Orbital characteristics: - Semi-major axis: 2.322 AU - Orbital period: 3.414 standard years - Eccentricity: 0.065 Physical characteristics: - EWoCS Type: Telluric LapiMinervan CapnoArean (Tundral) - NoLWoCS Type: AreanTundral Subtype - Mass: 4.89E23kg (0.0819 x Earth) - Radius: 3039 km ( 0.477 x Earth) - Density: 4160 kg/m^3 - Mean surface acceleration: 3.53 m/s^2 (0.359 gees) - Rotation period: 27.7 standard hours - Obliquity: 29 ° - Albedo: 0.26 - Average surface temperature: 197 K Atmosphere: - Surface pressure: 0.08 bar - Composition: Carbon dioxide, nitrogen Description: A small, icy Mars-like world which is home to a significant population of low gravity Terragen sophonts and toulhumans, most of whom are engaged in interaction with, and study of, the numerous To'ul'h surface polities |
 Image from Steve Bowers | |
| Shthossaa, a rapidly rotating gas giant in this system | |
| Planet g | Name = Shthossaa ('Hurricane' in To'ul'ho'lo'ss) Orbital characteristics: - Semi-major axis: 8.45 AU - Orbital period: 23.7 standard years - Eccentricity: 0.044 Physical characteristics: - EWoCS Type: Ammojovian - NoLWoCS Type: EuJovian Type - Mass: 2.71E27kg (453 x Earth) - Radius: 68807 km (10.8 x Earth)(average) - Oblateness 0.101 - Density: 1985 kg/m^3 - Mean acceleration at cloud-tops: 38.19 m/s^2 (3.89 gees) - Rotation period: 12.7 standard hours - Obliquity: 25 ° - Albedo: 0.56 - Average surface temperature: 171 K Atmosphere: - Composition: Hydrogen, helium, ammonia, methane Description: A large gas giant with a very rapid rotation; the upper cloud layers are too turbulent to comfortably support modosophont bubblehabs, but the planet is host to several thousand transapient nodes embedded in the deeper atmospheric layers. In the Current Era most of these nodes contain entities derived from ascended To'ul'h individuals. |
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| Planet h | Name = Th'aa'ssoo Orbital characteristics: - Semi-major axis: 14.83 AU - Orbital period: 55.1 standard years - Eccentricity: 0.053 Physical characteristics: - EWoCS Type: MethoNeptunian YmirJotunnian - NoLWoCS Type: Neptunian - Mass: 1.5E26kg (25.04 x Earth) - Radius: 35486 km (5.57 x Earth) - Density: 799 kg/m^3 - Mean acceleration at cloud-tops: 7.93 m/s^2 (0.8 gees) - Rotation period: 17.6 standard hours - Obliquity: 19.5 ° - Albedo: 0.31 - Average surface temperature: 80.5 K Atmosphere: - Composition: Hydrogen, helium, methane Description: An ice giant with a turbulent atmosphere. Host to numerous bubblehabs, including a small contingent of Muuh |
| Planet i | Name = J'ha'sothaa Orbital characteristics: - Semi-major axis: 20.84 AU - Orbital period: 91.8 standard years - Eccentricity: 0.18 Physical characteristics: - EWoCS Type: TholiTerrestrial CereRhean AzoCalidian (Lacustrine Tundral) - NoLWoCS Type: LithicGelidian - Mass: 1.53E24kg (0.257 x Earth) - Radius: 4925 km (0.773 x Earth) - Density: 3067 kg/m^3 - Mean surface acceleration: 4.22 m/s^2 (0.43 gees) - Rotation period: 178 standard hours - Obliquity: 55 ° - Albedo: 0.26 - Average surface temperature: 61.87 K Atmosphere: - Surface pressure: 0.04 bar - Composition: Nitrogen, oxygen (low pressure) Description: An icy world with nitrogen seas, notable for research into pantropic modification of To'ul'hs for extreme environments |
| Planet j | Name = K'at'sa'thos'kul Orbital characteristics: - Semi-major axis: 42.4 AU - Orbital period: 266 standard years - Eccentricity: 0.26 Physical characteristics: - EWoCS Type: CryoNeptunian Ymir Jotunnian - NoLWoCS Type: CryoNeptunian - Mass: 8.62E25kg (14.43 x Earth) - Radius: 25803 km (4.05 x Earth) - Density: 1198 kg/m^3 - Mean surface acceleration: 8.64 m/s^2 (0.88 gees) - Rotation period: 16.9 standard hours - Obliquity: 14 ° - Albedo: 0.16 - Average surface temperature: 58 K Atmosphere: - Composition: Hydrogen, helium, methane clouds Description: Ice giant/neptunian in the process of being converted into a To'hulian Neptune Brain |
Related Articles
- To'ul'h Calendar, The
- To'ul'h Prime Fauna
- To'ul'h Prime Phylogenetic Tree
- To'ul'h Prime, Tohul
- To'ul'hian Worlds
- To'ul'ho'lo'ss (Language)
- To'ul'human - Text by Steve Bowers
Homorph To'ul'h who have been given or adopted human shape by advanced biotech. They also can take To'ul'h form in earthlike environments or adapted human form in toulovenusian environments. - Tohulian Skyships
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Development Notes
Text by Dangerous Safety, The Astronomer, QuantumJack1
Additional material by Steve Bowers
Initially published on 21 June 2020.
Additional material by Steve Bowers
Initially published on 21 June 2020.
