Difference between revisions of "Tylo"

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(not fully comparable to ganymede, actually)
 
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{{:Tylo/Data}}
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{{Infobox/Body}}
  
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'''Tylo''' is the third [[moon]] of [[Jool]]. It is the largest of Jool's five moons, the largest moon in the entire [[Kerbol System]], and the largest celestial body without an atmosphere. It is Kerbal Space Program's analog for [[w:Ganymede_(moon)|Ganymede]], a moon of [[w:Jupiter|Jupiter]].
+
'''Tylo''' is the largest moon of [[Jool]] and the [[Kerbol System]], and the largest celestial body without an [[atmosphere]]. In this sense, it is the analog for [[w:Ganymede (moon)|Ganymede]]. It is the third moon from Jool, is the same diameter as [[Kerbin]], and is tidally locked. Tylo orbits Jool in roughly nine days. Synchronous orbits around Tylo are impossible, as they would lie far outside of its SOI at a radius of 14,758,067 meters.
  
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Landing on Tylo is extremely challenging. Its gravity is similar to [[Kerbin]]'s, but aerobraking is impossible, since there is no [[atmosphere]]. However, due to its large gravity well, Tylo is an ideal target for a [[Tutorial: Gravity Assist|gravity assist]] to enter or leave the Jool system safely and with minimal fuel consumption.
+
Tylo is a relatively difficult target to visit. Its gravity is similar to Kerbin's, but without an atmosphere, there is no way to [[aerobrake]], and a large amount of fuel must be used to land and take off. However, due to its large gravity well, Tylo is ideal for a [[Tutorial: Gravity Assist|gravity assist]] to enter or leave the Jool system with minimal fuel consumption.
  
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Having a spacecraft orbiting very close to the surface can give you orbit periods of about 29 minutes going about 2,170 m/s. Like the other large Joolian moons, Tylo is tidally locked. Synchronous orbits around Tylo are not possible, as they would lie outside of its SOI, at a radius of 14,758,067 meters.
+
According to former developer NovaSilisko, Tylo was planned to be made into a high-contrasting body like [[w:Saturn|Saturn]]'s moon [[w:Iapetus (moon)|Iapetus]].<ref name="nova june">[http://forum.kerbalspaceprogram.com/threads/29807-Planet-Ideas-And-Names-For-The-Future-Of-Kerbal-Space-Program?p=447959&viewfull=1#post447959 Post in the forum] by NovaSilisko</ref>
 +
 
 +
== In-game Description ==
 +
 
 +
'''KSP 1:'''
 +
{{Quote
 +
|Tylo was the first moon of Jool to be discovered by the Kerbal Astronomical Society. After many failed attempts to take a flawless picture of Jool to hang on the office walls, it was finally discovered that the wandering white smear was indeed a moon.<br />
 +
<br />
 +
''Scientists speculate that the view from the surface with Laythe, Vall and Jool overhead must be “quite something”.''
 +
|[[Kerbal Astronomical Society]]}}
 +
 
 +
'''KSP 2:'''
 +
{{Quote
 +
|If you ever want to visit Jool, you'll need to know about Tylo, its third moon! It's about as large as Kerbin with less mass and relatively strong gravity. This makes it ideal for gravity assists into and out of Jool's sphere of influence! Tylo has no atmosphere, so attempting to land on it takes a good chunk of fuel. Oh, and I could have sworn it used to be more gray?|}}
  
 
== Topography ==
 
== Topography ==
−
Tylo has a rocky surface. It has a varying elevation between 0 meters (Tylo baseline height) and peaks of more than 11290 meters.  
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Tylo has a rocky surface. It has a varying elevation between 0 meters (Tylo baseline height) and peaks of more than 11290 meters. Tylo's surface looks similar to that of [[Mün]], but has much fewer impact craters (especially on the side facing away from Jool) and is more uneven.
 +
 +
Due to the coloring of the surface of Tylo, it is likely that it is covered in a rhyolite layer of rock, nickel, a little cobalt, and some sort of ice and dust spread by meteorite impacts but as there is no official way to determine the composition of the moon this is only hypothetical. This explains why Tylo has a rather bright and white surface.
 +
 
 +
Because it is very large in comparison to other moons, it is unlikely that it is a captured planet. For a planet of this size, Jool would have to be much larger and denser to produce a large and strong enough gravitational well. It is unknown why Tylo hasn't formed an atmosphere.
 +
 
 +
Because of its high gravity and lack of an atmosphere, Tylo is very hard to land on and reach orbit from. However, low altitude orbits at high speeds can be achieved for these same reasons.
 +
 
 +
== Biomes ==
 +
Tylo has 9 [[Biome]]s. It mostly consists of generic Low-, Mid- and Highlands with some Mara and Minor Craters scattered in between. There are four distinct Craters. Previously three of these Craters were simply named Major Crater, the reason for this oddity not being known.
  
−
Tylo's surface looks similar to that of [[Mün]], but has much fewer impact craters (especially on the side facing away from Jool) and is more uneven.
+
=== Biome list ===
−
+
{{Biome list|
−
Due to the coloring of the surface of Tylo, it is likely that it is covered in a layer of ice and small amounts of rock. This explains why Tylo has a rather bright surface.
+
* Highlands
 +
* Midlands
 +
* Lowlands
 +
* Mara
 +
* Minor Craters
 +
* Gagarin Crater
 +
* Grissom Crater
 +
* Galileio Crater
 +
* Tycho Crater}}
 +
 
 +
== Science ==
  
−
Because of it's high gravity and lack of an atmosphere, Tylo is very hard to land on and reach orbit from. However, low altitude orbits at high speeds can be achieved for these same reasons.
+
Tylo has the second-highest [[science]] multipliers in the game. The only orbit with a higher multiplier is the [[sun]] and the only surface with a better multiplier is that of [[Eve]]. Unfortunately Tylo has no atmosphere, which means that there is one less zone to conduct experiments in and that some experiments do not work at all. That means that it is only the second most science-rich Joolian moon after [[Laythe]].
  
 
== Reference Frames ==
 
== Reference Frames ==
 
{{:Tylo/RefFrame}}
 
{{:Tylo/RefFrame}}
 +
 +
== KSP 2 ==
 +
=== Surface Research Locations ===
 +
 +
Surface research locations include:
 +
 +
* Craters
 +
* Dimple
 +
* Highlands
 +
* Lowlands
 +
 +
=== Maps ===
 +
==== Biomes ====
 +
[[File:tylo_region_ui.jpg|thumb|none|Tylo biome map with legend (as of v0.2.1.0 (from Orbital Survay mod))]]
 +
 +
==== Visual map ====
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[[File:tylo_visual.png|thumb|none|Tylo visual map (as of v0.2.1.0)]]
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[https://i.imgur.com/jg1yxiU.png Tylo visual map (Imgur)]
  
 
== Trivia ==
 
== Trivia ==
−
*Kerbin has the same equatorial radius as Tylo (600,000m) yet Tylo's surface gravity is much lower than Kerbin. This is most likely because Tylo is composed of low density matter.
+
* Kerbin has the same equatorial radius as Tylo (600,000m) yet Tylo's surface gravity is much lower than Kerbin. This is most likely because Tylo is composed of lower density matter.
−
*There are two known Easter eggs on Tylo.  
+
* Tylo is one of the few bodies in the solar system with almost totally manually-created colors (i.e., it uses a color map instead of procedural coloration). It only has a tenuous coat of a height-based darkening, and some simple noise. The only other manually-colored objects in the game are the Mun and Jool.
 +
* The Gagarin crater on Tylo was most likely named after Yuri Gagarin, the first man in space.
 +
* The Grissom crater on Tylo was most likely named after Virgil "Gus" Grissom, the second American in space.
 +
* The Galileo crater on Tylo was most likely named after Galileo Galilei who is widely considered to be the inventor of the telescope.
 +
* The Tycho crater on Tylo was most likely named after Tycho Brahe who helped overturn a belief in favor of the [https://en.wikipedia.org/wiki/Heliocentrism heliocentric] theory.
 +
* Using [[w:astronomical naming conventions#Natural satellites|systematic designation]] Tylo would be designated '''Jool I'''.
 +
* Tylo, orbiting the gas giant, is the largest and the most massive moon in the solar system, even larger than planet [[Moho]]. In this sense it can be compared to [[w:Ganymede (moon)|Ganymede]]. Another thing they have in common that Ganymede, Europa and Io have orbital periods ratio of 4:2:1, as Tylo, [[Vall]] and [[Laythe]] do. However, the former system is locked into an orbital resonance, whereas latter would not, because of different arguments of moons.
 +
** Whereas Tylo has the same size as Kerbin and 80% Kerbin's mass and density, Ganymede's radius is less than a half of Earth radius, and its mass is less than 3% mass of the Earth.
 +
* There are two known Easter eggs on Tylo.
 
{{SpoilerBox
 
{{SpoilerBox
 
|description=
 
|description=
−
|content=One is Carl Sagan's face on a mountain and the other is a cave-like underground formation.}}
+
|content=One is Carl Sagan's face (which is now broken) on a mountain and the other is a cave-like underground formation. The cave-like formation used to be below the surface, but as of 1.3 it is back at the surface and is visible from low orbit}}
  
 
== Gallery ==
 
== Gallery ==
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File:Tylo_Partay.jpeg | Three kerbonauts boldly going where no kerbal has gone before.
 
File:Tylo_Partay.jpeg | Three kerbonauts boldly going where no kerbal has gone before.
 
</gallery>
 
</gallery>
 +
 +
== Notes ==
 +
<references />
  
 
== Changes ==
 
== Changes ==
−
;{{Version|0.17|}}
+
;[[1.11]]
−
* Initial Release
+
* Texture revamp
 +
;[[1.2]]
 +
* Updated biomes
 +
;[[0.90]]
 +
* Added biomes
 +
;[[0.17]]
 +
* Initial release
  
 
{{Celestial Bodies}}
 
{{Celestial Bodies}}
 
[[Category:Celestials]]
 
[[Category:Celestials]]
 
[[Category:Moons]]
 
[[Category:Moons]]

Latest revision as of 00:33, 10 October 2024

Tylo
Tylo
Tylo as seen from orbit.
Moon of Jool
Orbital Characteristics
Semi-major axis 68 500 000 m [Note 1]
Apoapsis 68 500 000 m [Note 1]
Periapsis 68 500 000 m [Note 1]
Orbital eccentricity 0
Orbital inclination 0.025 °
Argument of periapsis 0 °
Longitude of the ascending node 0 °
Mean anomaly 3.14 rad (at 0s UT)
Sidereal orbital period 211 926 s
9 d 4 h 52 m 6.4 s
Synodic orbital period 212 356.4 s
Orbital velocity 2 031 m/s
Longest time eclipsed 5 917 s
Physical Characteristics
Equatorial radius 600 000 m
Equatorial circumference 3 769 911 m
Surface area 4.5238934×1012 m2
Mass 4.2332127×1022 kg
Standard gravitational parameter 2.8252800×1012 m3/s2
Density 46 787.273 kg/m3
Surface gravity 7.85 m/s2 (0.8 g)
Escape velocity 3 068.81 m/s
Sidereal rotation period 211 926.36 s
9 d 4 h 52 m 6.4 s
Sidereal rotational velocity 17.789 m/s
Synchronous orbit Outside sphere of influence
Sphere of influence 10 856 518 m [Note 1]
Atmospheric Characteristics
Atmosphere present No
Scientific multiplier
Surface 12
Splashed N/A
Near space 10
Outer space 8
Recovery 8
  1. ↑ 1.0 1.1 1.2 1.3 The distances are given from the body's center, not from the surface (unlike ingame)

Tylo is the largest moon of Jool and the Kerbol System, and the largest celestial body without an atmosphere. In this sense, it is the analog for Ganymede. It is the third moon from Jool, is the same diameter as Kerbin, and is tidally locked. Tylo orbits Jool in roughly nine days. Synchronous orbits around Tylo are impossible, as they would lie far outside of its SOI at a radius of 14,758,067 meters.

Tylo is a relatively difficult target to visit. Its gravity is similar to Kerbin's, but without an atmosphere, there is no way to aerobrake, and a large amount of fuel must be used to land and take off. However, due to its large gravity well, Tylo is ideal for a gravity assist to enter or leave the Jool system with minimal fuel consumption.

According to former developer NovaSilisko, Tylo was planned to be made into a high-contrasting body like Saturn's moon Iapetus.[1]

In-game Description

KSP 1:

“ Tylo was the first moon of Jool to be discovered by the Kerbal Astronomical Society. After many failed attempts to take a flawless picture of Jool to hang on the office walls, it was finally discovered that the wandering white smear was indeed a moon.


Scientists speculate that the view from the surface with Laythe, Vall and Jool overhead must be “quite something”.''

— Kerbal Astronomical Society

 ”

KSP 2:

“ If you ever want to visit Jool, you'll need to know about Tylo, its third moon! It's about as large as Kerbin with less mass and relatively strong gravity. This makes it ideal for gravity assists into and out of Jool's sphere of influence! Tylo has no atmosphere, so attempting to land on it takes a good chunk of fuel. Oh, and I could have sworn it used to be more gray? ”

Topography

Tylo has a rocky surface. It has a varying elevation between 0 meters (Tylo baseline height) and peaks of more than 11290 meters. Tylo's surface looks similar to that of Mün, but has much fewer impact craters (especially on the side facing away from Jool) and is more uneven.

Due to the coloring of the surface of Tylo, it is likely that it is covered in a rhyolite layer of rock, nickel, a little cobalt, and some sort of ice and dust spread by meteorite impacts but as there is no official way to determine the composition of the moon this is only hypothetical. This explains why Tylo has a rather bright and white surface.

Because it is very large in comparison to other moons, it is unlikely that it is a captured planet. For a planet of this size, Jool would have to be much larger and denser to produce a large and strong enough gravitational well. It is unknown why Tylo hasn't formed an atmosphere.

Because of its high gravity and lack of an atmosphere, Tylo is very hard to land on and reach orbit from. However, low altitude orbits at high speeds can be achieved for these same reasons.

Biomes

Tylo has 9 Biomes. It mostly consists of generic Low-, Mid- and Highlands with some Mara and Minor Craters scattered in between. There are four distinct Craters. Previously three of these Craters were simply named Major Crater, the reason for this oddity not being known.

Biome list

Tylo In-game biome map as of 1.2
  • Highlands
  • Midlands
  • Lowlands
  • Mara
  • Minor Craters
  • Gagarin Crater
  • Grissom Crater
  • Galileio Crater
  • Tycho Crater

Science

Tylo has the second-highest science multipliers in the game. The only orbit with a higher multiplier is the sun and the only surface with a better multiplier is that of Eve. Unfortunately Tylo has no atmosphere, which means that there is one less zone to conduct experiments in and that some experiments do not work at all. That means that it is only the second most science-rich Joolian moon after Laythe.

Reference Frames

Time warp Minimum Altitude
1× Any
5× 30 000 m
10× 30 000 m
50× 60 000 m
100× 120 000 m
1 000× 240 000 m
10 000× 480 000 m
100 000× 600 000 m

KSP 2

Surface Research Locations

Surface research locations include:

  • Craters
  • Dimple
  • Highlands
  • Lowlands

Maps

Biomes

Tylo biome map with legend (as of v0.2.1.0 (from Orbital Survay mod))

Visual map

File:Tylo visual.png
Tylo visual map (as of v0.2.1.0)

Tylo visual map (Imgur)

Trivia

  • Kerbin has the same equatorial radius as Tylo (600,000m) yet Tylo's surface gravity is much lower than Kerbin. This is most likely because Tylo is composed of lower density matter.
  • Tylo is one of the few bodies in the solar system with almost totally manually-created colors (i.e., it uses a color map instead of procedural coloration). It only has a tenuous coat of a height-based darkening, and some simple noise. The only other manually-colored objects in the game are the Mun and Jool.
  • The Gagarin crater on Tylo was most likely named after Yuri Gagarin, the first man in space.
  • The Grissom crater on Tylo was most likely named after Virgil "Gus" Grissom, the second American in space.
  • The Galileo crater on Tylo was most likely named after Galileo Galilei who is widely considered to be the inventor of the telescope.
  • The Tycho crater on Tylo was most likely named after Tycho Brahe who helped overturn a belief in favor of the heliocentric theory.
  • Using systematic designation Tylo would be designated Jool I.
  • Tylo, orbiting the gas giant, is the largest and the most massive moon in the solar system, even larger than planet Moho. In this sense it can be compared to Ganymede. Another thing they have in common that Ganymede, Europa and Io have orbital periods ratio of 4:2:1, as Tylo, Vall and Laythe do. However, the former system is locked into an orbital resonance, whereas latter would not, because of different arguments of moons.
    • Whereas Tylo has the same size as Kerbin and 80% Kerbin's mass and density, Ganymede's radius is less than a half of Earth radius, and its mass is less than 3% mass of the Earth.
  • There are two known Easter eggs on Tylo.
Spoiler:
One is Carl Sagan's face (which is now broken) on a mountain and the other is a cave-like underground formation. The cave-like formation used to be below the surface, but as of 1.3 it is back at the surface and is visible from low orbit

Gallery

  • Topographical map of Tylo.

  • Gui Tylo Polars Topo.png

  • A topographic height map of Tylo made with the ISA MapSat plugin

  • Picture of Tylo as seen from Laythe

  • A Joolrise with a Laythe transit seen from a very low orbit around Tylo

  • A small crater on Tylo as seen from the surface

  • Three kerbonauts boldly going where no kerbal has gone before.

Notes

  1. ↑ Post in the forum by NovaSilisko

Changes

1.11
  • Texture revamp
1.2
  • Updated biomes
0.90
  • Added biomes
0.17
  • Initial release
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