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Confused by Trade Codes

gchuck

SOC-12
Knight
So, I just ginned up this planet/system using TW, for MTU. Saved the map, and edited it in PS. The 'warmest' surface temp is in the mid-to-low single digits.1830 Jersild.png
And got a trade code Ho. Hot? Seriously?
Anyone got the skinny on where I might find the 'breakdown' on criteria for Trade Classifications?
I've used TW for a while now, and am comfortable with it. This just has me tweaking badly.
Did the 'Wiki' thing, and that didn't help much.

Thanks in advance!
 
A Hot World appears to be defined in T5. Does your generator create the habitable zone? Though I speculate that for some low-output stars, this might actually fit. Maybe albedo off the icecaps is having an effect.
 
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Correct. Hot (Ho), Cold (Co), and Frozen (Fr) are trade codes responding to the Habitable Zone placement HZ -1, HZ 0 (no code required), and HZ +1 Orbits (capital O) in any given world-system. A sensitive Traveller may think twice about stepping off their vessel in a Hot world, e.g. Bwaps. Some sophonts such as Urzaeng Vargr or Ursa may favor Cold worlds since they're covered in dense fur. These codes are environmental as well as placements of planets in Orbits of a world-system.
Polar Vargr.jpg
 
I appreciate the replies!
So as I read the answers, HZ-1; Closer to the star. HZ(0); the 'sweet spot'. HZ+1; Farther from star. Correct? Or opposite order?
Since I've always considered TW to be within 'shouting distance' of actual physics, and while not claiming to understand, I can work with it. To an extent.
Still, how to explain a planet that has existed for 'billions' of years, with 1/3 of it's surface covered in Ice, and equatorial surface temps barely above freezing, be considered HOT?
Here's what I'm working with;Storr 1830 Jersild System Map.pngI heartily invite further comments!
 
Starport X - no present Downport, not even a landing strip
Size 5 - three steps weaker than Terra in gravity and diameter
Atmosphere 6 - Standard breathable air
Hydrosphere 8 - 80% oceans, seas, lakes, rivers, etc.
Population 0 - No sophont population
Government 5 - Feudal Technocracy
Law Level 3 - Low Law, very few restrictions in weapons and armor
Tech Level 3 - Low Tech (Lt)

I interpret this Hot world in Orbit-2 to be some kind of mostly oceans with archipelagos, islands, atols, and photic zone shelf reefs. The atmosphere is steamy warm to humid oppressive in the tropics and at the equator. With an abundance of liquid water, the islands are jungles if in temperate toward equator latitudes. Icecaps are present because the axial tilt is steeper than Terra's 23 degrees and the revolution about the G2V stellar primary is kinda slow, preventing the ice shelves from melting. Weather includes a rain cycle on archipelago mounts, islands, and feeds runoff streams. Insects, pouncers, grazers, reducers, scavengers are some of the fauna I interpret. Storms include typhoons, hurricanes, thunderstorms, waterspouts, mudslides, high winds (check for Turbulence in the stratosphere and troposphere). Volcanoes are a possibility as is tectonic earthquakes along fault lines. Heavy clouds gather on mountains and create a greenhouse of steamy jungles, with avian flocks gliding on prevailing winds.

Lack of sophont Population means someone has surveyed this planet and pre-determined the Feudal Technocracy at TL-3 to come if or when colonized. A colony here would seek freshwater runoff from sea volcano islands away from lava flow or dangerous pyroclasts or other ejecta. Lighter ships are advised to land in photic zone waters and tie off upon shallow reefs at first until land can be cleared as landing on the beaches risks storms, tides, tsunami, etc. If there are sophonts present, there has not been a census to ennumerate the Population digit. Indigenous, perhaps unaware of off-world weapon deadliness?

This planet in Orbit-2 of a G2V star means it's well inside the jump shadow. Ships will be halted at Orbit-3 and have to coast in-system, a commute that can take some time, allowing for Corsairs to jumpcuss Traders and the like.
 
Starport X - no present Downport, not even a landing strip
Size 5 - three steps weaker than Terra in gravity and diameter
Atmosphere 6 - Standard breathable air
Hydrosphere 8 - 80% oceans, seas, lakes, rivers, etc.
Population 0 - No sophont population
Government 5 - Feudal Technocracy
Law Level 3 - Low Law, very few restrictions in weapons and armor
Tech Level 3 - Low Tech (Lt)

I interpret this Hot world in Orbit-2 to be some kind of mostly oceans with archipelagos, islands, atols, and photic zone shelf reefs. The atmosphere is steamy warm to humid oppressive in the tropics and at the equator. With an abundance of liquid water, the islands are jungles if in temperate toward equator latitudes. Icecaps are present because the axial tilt is steeper than Terra's 23 degrees and the revolution about the G2V stellar primary is kinda slow, preventing the ice shelves from melting. Weather includes a rain cycle on archipelago mounts, islands, and feeds runoff streams. Insects, pouncers, grazers, reducers, scavengers are some of the fauna I interpret. Storms include typhoons, hurricanes, thunderstorms, waterspouts, mudslides, high winds (check for Turbulence in the stratosphere and troposphere). Volcanoes are a possibility as is tectonic earthquakes along fault lines. Heavy clouds gather on mountains and create a greenhouse of steamy jungles, with avian flocks gliding on prevailing winds.

Lack of sophont Population means someone has surveyed this planet and pre-determined the Feudal Technocracy at TL-3 to come if or when colonized. A colony here would seek freshwater runoff from sea volcano islands away from lava flow or dangerous pyroclasts or other ejecta. Lighter ships are advised to land in photic zone waters and tie off upon shallow reefs at first until land can be cleared as landing on the beaches risks storms, tides, tsunami, etc. If there are sophonts present, there has not been a census to ennumerate the Population digit. Indigenous, perhaps unaware of off-world weapon deadliness?

This planet in Orbit-2 of a G2V star means it's well inside the jump shadow. Ships will be halted at Orbit-3 and have to coast in-system, a commute that can take some time, allowing for Corsairs to jumpcuss Traders and the like.
This helps a great deal! Constant fog, visitors in 'danger' of evolving gills(!), almost incessant rain, and humidity off the charts!
I can hear the whining now! But it's cold rain!
 
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