Other catalog stars witch have no FeH and CtoO (carbon-to-oxygen ratio) parameters in scripts uses procedural generation based on their location in the galaxy, as with procedural stars. Also, the integration of Duke’s new nebulae still requires a lot of work, but it was delayed due to the above tasks. 0.2 Jupiter masses is roughly equal to 60 Earth masses, so the sub-jupiter class overlaps with the mega-neptune class. This database is intended as a resource for everyone who has started his personal voyage in the space simulation Space Engine. The carbon-to-oxygen ratio is used to generate carbon planets: it is theorized that stars with this parameter greater than 0,8 must produce a population of a carbon-dominated planets (our Sun’s value is 0,55). Jupiter – hydrogen and helium. Interestingly, Ganymede and Titan are also in the sub-earth class (they are subaquarias). These are commonly used in the planet_class command . Some of then can be "dry" ice deserts, similar to desert class planets. Changes in the engine made to support the new classification system include adding the bulk composition data into planet scripts. The mega-neptunes are theoretical planets more massive than the smallest gas giants (~60 Earth masses), but composed predominantly of ices, not of hydrogen and helium. Each planet in SE have a parameter "Style" calculated procedurally. Such planets are called super-jupiters in this classification. 2197 Views 2. Titan is the first of Saturn's terraformed moons. Depending on the intensity of weather phenomena reshaping the surface some desert planets still display some remnants of their "wet" phase, like riverbeds, dendritic valleys, outflow channels and gullies.Other desert planets, especially those that have lost their water reserves immediately after their formation, don't bear these traces. The bulk composition classes define the fundamental substances of which the planet is made: Ferria – metals (iron, nickel) and siderophilic elements such as sulfur. A few minutes of exploring the galaxy makes me realize that binary planets are way too common in SE (even binary gas giants!). I just discovered the wonders on SE yesterday and have been zooming up to stars and things since then but I have no idea how to land on a planet. a significant amount of it, but not completely covering the surface; oceanic – a planet with a global ocean, completely covering the surface; superoceanic – a planet with a very deep ocean (hundreds of kilometers deep), with exotic forms of ice forming on its bottom (ice VI and ice VII). This emphasizes the difference in the nature of these two types of planets. History of SpaceEngine. Space Engine Vladimir Romanyuk Windows Space Engine is a free space simulation program that a lot of users use to export textures from the engine and use them to create planets using Kopernicus. Possible candidate mega-earths are Kepler-10c and K2-3d, although recent re-estimations of their masses have moved them back to the super-earth class. The primary component is silicates (rocks). Neptune – not any of the previous classes. The new planet classification introduces these major planet classes: terra – rocky planet (combined old terra, desert and selena classes) aquaria – water/ice planet (combined old oceania, ice world and titan classes) carbonia – carbon/carbid/diamond planet (new class, hypothetical carbon-dominated planet) ferria – iron/metal planet (new class, hypothetical) neptune – ice giant jupiter – gas giant chthonia – core of an evaporated ice/gas giant, or a helium-rich giant (not sure about this class). Aquaria – water in the form of exotic ices and liquid (but not vapor or supercritical fluid – that is a minineptune). The code generates the abundances of these substances in the planet while generating the system, then calculates the planet’s radius using the model grid. I implemented some primitive “grammar engine”, which takes the noun gender and changes the gender of adjectives in the classification string. Then I must change the naming of procedural objects: if the binary is the third planet from the star, its primary will have name “3a” and secondary “3b”. Combining this with knowledge about various substances under pressure (and for some planets, using information about the propagation of seismic waves), one can develop a model of the internal structure of a space body. I am also working on new Pluto and Charon maps, based on a maps recently published by NASA. Venus, Earth, Mars, the Moon, and Io are classified as terra (Earth is a marine terra); other moons of gas giants and all dwarf planets are aquaria. Earth formed 4.54 billion years ago, and life appeared on its surface within one billion years. SE generates it procedurally if it’s missing, but for the Solar system’s planets and moons we want to have real data. These objects can have various land formations on them, like volcanos for example. They are also appended with several words, describing some properties of the planet, such as temperature (hot jupiter, warm superterra, cold aquaria), atmospheric pressure, presence of oceans, life etc. EU4 Country Tags HOI4 Country Tags Class – the string parameter describing the surface class of a planet (affecting the procedural surface generation) or spectral class of a star. Ice giants, or “neptunes”, are planets formed mainly from water/ammonia/methane ices (in fact as a supercritical fluid) and often with a thick atmosphere of hydrogen and helium, up to 25% of their mass. This new display style very much helps in hunting binary planets. The procedural planet generator now creates all of the types of planets described above, including mini-neptunes, carbonias and even frozen terras. So I just started playing Space Engine, and I'm just curious what people's ideas are for the best graphical settings. This corresponds to a theoretical iron planet. Typically, H/He is less than 25%; other substances are water/ammonia/methane and a rocky core. COROT-7b may be the first Chthonian planet discovered. A: You are probably on Earth, Mars or some other Solar system planet. The same is true for some other languages; sometimes even word order differs from English. The planet classes are: “Asteroid” – an asteroid-like body with an irregular shape. Solid planets (ferria, carbonia, terra, aquaria): micro (0.002 Me) mini (0.02 Me) sub (0.2 Me) no prefix (2 Me) super (10 Me) mega, Ice giants (neptunes): mini (4 Me) sub (10 Me) no prefix (25 Me) super (62.5 Me) mega, Gas giants (jupiters): sub (0.2 Mj) no prefix (2 Mj) super (10 Mj) mega. You can see that the map is a bit noisy (because I processed only a jpeg version of it), and it is significantly offset with the color texture. This format of notation means that, for example, the temperate class lies between 250 K and 330 K, and torrid is greater than 1000 K. These subdivisions are based on the properties of important substances: 90 K is the limit for the liquefaction of nitrogen, methane and other hydrocarbons found on very cold Titan-like worlds; 170 K is the water snow line in the Solar system and the temperature of outer asteroids in the Main asteroid belt; 250 K is the equilibrium temperature of Earth, and the assumed minimum average temperature of an Earth-like planet which could have temperate zones on its surface (with temperatures above water’s freezing point); 330 K is close to the maximum temperature on Earth, and the assumed maximum average temperature of an Earth-like planet which does not fall into a runaway greenhouse effect; 500 K and 1000 K boundaries are arbitrary, and could be adjusted in the future to match some observational or theoretical characteristics of the hottest exoplanets. “Selena” – a rocky planet without an atmosphere (like Mercury, Moon, Io). This data is displayed in the Wiki. Planetary classification systems were used by many races to categorize planets. So we could assume that the boundary for rocky asteroids is near 0.0001 Earth masses. This is enough to distinguish earths, neptunes and jupiters, but intermediate cases are hard to classify (a large water planet is indistinguishable from a small neptune, and a massive neptune is indistinguishable from a small jupiter). Work on this system is still in progress. Over the past month I continued working on implementing the new planet classification system for SE. New classification of planets, including iron planets, carbon planets, etc. I also moved these probabilities to the config file, so they can be tweaked more easily now. In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet.” This means that from now on only the rocky worlds of the inner Solar System and the gas giants of the outer system will be designated as planets. Other thing that I am planning to do is re-classify the secondary companion of a binary planet as a “planet” instead of “moon”. Planet classification There are four main categories of classifications when determining the type of celestial body an object is. All this work is still unfinished, so there is nothing significant to show. The planet classes are: “Asteroid” – an asteroid-like body with an irregular shape. The following is a list of planet types by their mass, orbit, physical and chemical composition, or by another classification.. The size prefix scale of gas giants resembles the scale of solid planets, so one can add the mini-jupiter class by analogy – planets with a mass lower than 0.02 Jupiters (about 6 Earth masses). More massive gas giants are smaller because of the compression of gas by their enormous gravity. An aquaria with a supercritical vapor atmosphere is classified as a minineptune/subneptune. The first 4 classes are “terrestrial” or “solid” planets, usually referred as “earths” in astronomy. We currently have 20 articles on this wiki and it would be great if you can help contribute. In version 0.9.9.0, planetary class names follow a four part scheme. Mercury with its large iron core (60% of the planet mass) should be classified as ferria in SE. This makes it possible to see Earth next to Jupiter with some details, not as a tiny dot 3 pixels across. The exception is our Solar system – we can measure the density distribution inside a planet or moon by the precise measurement of the motion of a spacecraft near it. Relative sizes of objects in the browser previews are not linear, but logarithmic, as before. The greatest part is DEM (digital elevation model) maps – now we can create a 3D terrain on Pluto! There is speculation about the existence of more massive solid planets called mega-earths. I made a large post on the forum regarding it. Let me explain why the classification is as such. The SE planet generator also don’t produce them. “Selena” – a rocky planet without an atmosphere (like Mercury, Moon, Io). SpaceEngine (stylized as "Space Engine") is a 3D astronomy program and game engine developed by Russian astronomer and programmer Vladimir Romanyuk. The boundary is > 25% by mass. A complete list of planet classes from Stellaris with their IDs for use in console commands, mods and cheats. In the forum thread I’m asking specific questions about text formatting in other languages. edited 3 years ago. Aquaria corresponds to the theoretical water or ocean planet, if it is warm enough to melt the icy crust; otherwise it corresponds with an ice planet. Here is a preview. It now displays binary stars and planets in a more eye-candy way: drawing both companions (primary and secondary) in the same cell: Note the new planet class names on these screenshots. Thus the option “Show barycenters” is not needed anymore. ... Beautiful terrae I have found in space engine 0.980 or around the internet and added to my new planetary database wiki (I gave them names to … Unlike ice giants, gas giants or “jupiters” are composed predominantly of hydrogen and helium. A complete list of planet classes from Stellaris with their IDs for use in console commands, mods and cheats. I have updated the star generator so it now generates some procedural distribution of these quantities among different populations of procedural stars (type I and type II populations). The Alien planet has a low density of oxygen but is not possible to breathe without oxygen support systems. In a palette, you can choose the range of style the planet should have to have a certain style. Planets can on rare occasions have life on them, and the life can be in many forms. The more the range is small, the more the palette will be rare. This is a basic oxygen extractor: 3 air vents, 1 oxygen generator, 2 oxygen tanks and a power supply. It is necessary to generate and use the carbon-to-oxygen ratio in stars somehow, which is linked to stellar metallicity, or [Fe/H]. Super-jupiters and mega-jupiters in SE correspond to super-jupiters in literature, although there are huge differences in the definition of this class in various sources. ... New planet classification. EU4 Country Tags HOI4 Country Tags There is no sharp boundary between asteroids and “planetoids”, because it depends on composition, tidal heating and the history of the body. The remaining rocky or metallic core would resemble a terrestrial planet in many respects. Earth (also known as Gaia, Sol Prime, and Sol III) is the third planet in the Sol System and the homeworld of Humanity.It is also the first natural known Me-Class world to Humanity. All possible types of planetary objects are represented: gas giants and asteroids, dry deserts and ocean planets, airless moons and Earth-like planets inhabited by life. Another feature is a change in the solar system browser. Posted by SpaceEngineer, Sat Jul 22, 2017 4:01 pm. HD 209458b is an example of a planet that is in the process of having its atmosphere stripped away, though it is not itself a Chthonian planet nor is it expected to become one in the near future. Terra – not ferria, not carbonia and not aqauria. Double gas giants looks a bit eerie in the browser: When you enter the satellite level (right-click on a table cell), it displays the parent barycenter in the first cell, then the two major components, then other satellites. The “mini” class is added to SE for planets less massive than 0.02 Earth masses; this is between the mass of the Moon and Ganymede. The boundary is > 25% by mass. Saturn-mass planets are sometimes called “sub-jupiters” or “sub-giants”, or even “saturns”. I will explain this in more detail in the next blog post. When you open the planet editor for a planet in space engine, you'll see "SurfStyle" and "OceanStyle". 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