Difference between revisions of "Eeloo"
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'''Eeloo''' is a [[w:dwarf planet|dwarf planet]] that was originally released in {{version|0.18.2}} of [[KSP1]] as a Christmas gift to the KSP community. It is the seventh and farthest planet from [[Kerbol]] most of the time, though its orbit intersects [[Jool]]'s, passing in front of it for a minority of its revolution period. The two planets are locked in a 3:2 resonance, which, coupled with their different inclinations, ensures they cannot collide. | '''Eeloo''' is a [[w:dwarf planet|dwarf planet]] that was originally released in {{version|0.18.2}} of [[KSP1]] as a Christmas gift to the KSP community. It is the seventh and farthest planet from [[Kerbol]] most of the time, though its orbit intersects [[Jool]]'s, passing in front of it for a minority of its revolution period. The two planets are locked in a 3:2 resonance, which, coupled with their different inclinations, ensures they cannot collide. | ||
| − | Eeloo has just 3.5% more gravity than the [[Mun]] and is very similar in size. Like the Mun, it has no atmosphere. The physical characteristics of Eeloo are most likely an | + | Eeloo has just 3.5% more gravity than the [[Mun]] and is very similar in size. Like the Mun, it has no atmosphere. The physical characteristics of Eeloo are most likely an analog of the ice moon [[w:Europa (moon)|Europa]], and its orbit is similar to that of [[w:Pluto (dwarf planet)|Pluto]], though both bodies are known to have a tenuous atmosphere. |
| − | Eeloo's relatively large distance from Kerbol reduces [[Electricity#Solar panels|solar power]] to approximately 4% at Eeloo periapsis and 1.4% at Eeloo apoapsis of the values seen at [[Kerbin]]. Bringing additional panels, or an alternate | + | Eeloo's relatively large distance from Kerbol reduces [[Electricity#Solar panels|solar power]] to approximately 4% at Eeloo periapsis and 1.4% at Eeloo apoapsis of the values seen at [[Kerbin]]. Bringing additional panels, or an alternate power source (e.g.: [[PB-NUK Radioisotope Thermoelectric Generator|RTG]]s) is recommended. |
== In-game Description == | == In-game Description == | ||
| Line 40: | Line 40: | ||
== Orbits == | == Orbits == | ||
| − | Eeloo's distant, eccentric and inclined orbit, in addition to its low gravity, make encounters challenging. Its distance from [[Kerbin]] also tends to make missions very lengthy. | + | Eeloo's distant, eccentric, and inclined orbit, in addition to its low gravity, make encounters challenging. Its distance from [[Kerbin]] also tends to make missions very lengthy. |
A synchronous orbit around Eeloo is possible, at an altitude of ~683.9 km. | A synchronous orbit around Eeloo is possible, at an altitude of ~683.9 km. | ||
| − | Eeloo's eccentric orbit means that at | + | Eeloo's eccentric orbit means that at specific points, it is incredibly close to [[Jool]] and in fact that for brief periods, is closer to the Sun than Jool. This means that the effect of Jool's gravitational assists in an Eeloo mission can, with the right timing, drastically reduce the time spent on the mission. However, the rarity of this event means that a landed Eeloo craft will have to wait many years to reverse this action precisely and make it back to Kerbin. |
== Easter egg == | == Easter egg == | ||
| Line 50: | Line 50: | ||
|description=Easter egg about the atmosphere | |description=Easter egg about the atmosphere | ||
|content= | |content= | ||
| − | + | Like its real-life analog Pluto, Eeloo is mentioned in the following [[Gravity Scan]] to have a thin atmosphere. Eeloo's atmosphere is not actually present in the game, serving only as worldbuilding. | |
{ | { | ||
EelooSrfLanded = There appears to be a teneous atmospheric coating around the planet. But it is too thin to affect any spacecraft landing here. | EelooSrfLanded = There appears to be a teneous atmospheric coating around the planet. But it is too thin to affect any spacecraft landing here. | ||
} | } | ||
| − | |||
}} | }} | ||
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EelooOverlook.png | Note the relatively flat topography and complete lack of ground scatter. | EelooOverlook.png | Note the relatively flat topography and complete lack of ground scatter. | ||
Eeloo Probe.png | It's lonely orbiting this rock, but something has to do it. | Eeloo Probe.png | It's lonely orbiting this rock, but something has to do it. | ||
| − | Eeloo Canyons.png|thumb|Eeloo as it appears in 1.12, with high quality textures. | + | Eeloo Canyons.png|thumb|Eeloo as it appears in 1.12, with high-quality textures. |
</gallery> | </gallery> | ||
=== [[Kerbal Space Program 2]] === | === [[Kerbal Space Program 2]] === | ||
Revision as of 12:02, 27 June 2023
| Eeloo | ||
 | ||
| Eeloo as seen from orbit. | ||
| Dwarf planet of Kerbol | ||
| Orbital Characteristics | ||
| Semi-major axis | 90 118 820 000 m [Note 1] | |
| Apoapsis | 113 549 713 200 m [Note 1] | |
| Periapsis | 66 687 926 800 m [Note 1] | |
| Orbital eccentricity | 0.26 | |
| Orbital inclination | 6.15 ° | |
| Argument of periapsis | 260 ° | |
| Longitude of the ascending node | 50 ° | |
| Mean anomaly | 3.14 rad (at 0s UT) | |
| Sidereal orbital period | 156 992 048 s | |
| 7 268 d 0 h 54 m 8.4 s | ||
| Synodic orbital period | 9 776 696.3 s | |
| Orbital velocity | 2 764 - 4 706 m/s | |
| Physical Characteristics | ||
| Equatorial radius | 210 000 m | |
| Equatorial circumference | 1 319 469 m | |
| Surface area | 5.5417694×1011 m2 | |
| Mass | 1.1149224×1021 kg | |
| Standard gravitational parameter | 7.4410815×1010 m3/s2 | |
| Density | 28 740.754 kg/m3 | |
| Surface gravity | 1.69 m/s2 (0.172 g) | |
| Escape velocity | 841.83 m/s | |
| Sidereal rotation period | 19 460.000 s | |
| 5 h 24 m 20 s | ||
| Solar day | 19 462.412 s | |
| 5 h 24 m 22.4 s | ||
| Sidereal rotational velocity | 67.804 m/s | |
| Synchronous orbit | 683.69 km | |
| Sphere of influence | 1.1908294×108 m [Note 1] | |
| Atmospheric Characteristics | ||
| Atmosphere present | No | |
| Scientific multiplier | ||
| Surface | 15 | |
| Splashed | N/A | |
| Near space | 12 | |
| Outer space | 10 | |
| Recovery | 10 | |
|
| ||
Eeloo is a dwarf planet that was originally released in version 0.18.2 of KSP1 as a Christmas gift to the KSP community. It is the seventh and farthest planet from Kerbol most of the time, though its orbit intersects Jool's, passing in front of it for a minority of its revolution period. The two planets are locked in a 3:2 resonance, which, coupled with their different inclinations, ensures they cannot collide.
Eeloo has just 3.5% more gravity than the Mun and is very similar in size. Like the Mun, it has no atmosphere. The physical characteristics of Eeloo are most likely an analog of the ice moon Europa, and its orbit is similar to that of Pluto, though both bodies are known to have a tenuous atmosphere.
Eeloo's relatively large distance from Kerbol reduces solar power to approximately 4% at Eeloo periapsis and 1.4% at Eeloo apoapsis of the values seen at Kerbin. Bringing additional panels, or an alternate power source (e.g.: RTGs) is recommended.
Contents
In-game Description
| “ | There’s been a considerable amount of controversy around the status of Eeloo as being a proper planet or a just “lump of ice going around the Sun”. The debate is still ongoing, since most academic summits held to address the issue have devolved into, on good days, petty name calling, and on worse ones, all-out brawls. | ” |
Topography
The surface of Eeloo is relatively smooth and covered in gray-white ice, with deep canyons exposing the brownish rock below. A few craters are visible, but not nearly as one might expect for a body without an atmosphere. Its highest points are near the equator and are almost 3.9 km high, while the lower areas can go lower than sea level.
Eeloo's surface lacks ground scatter, suggesting the ice on the surface is subject to erosion of some sort.
It originally had an atmosphere, but it has been removed because the renderer for it doesn't work on bodies smaller than about Duna's size.[1]
In KSP2, the "cracks" on Eeloo's surface are deep canyons.
Biomes
Eeloo has a total of 11 biomes.
Biome list
|
Orbits
Eeloo's distant, eccentric, and inclined orbit, in addition to its low gravity, make encounters challenging. Its distance from Kerbin also tends to make missions very lengthy.
A synchronous orbit around Eeloo is possible, at an altitude of ~683.9 km.
Eeloo's eccentric orbit means that at specific points, it is incredibly close to Jool and in fact that for brief periods, is closer to the Sun than Jool. This means that the effect of Jool's gravitational assists in an Eeloo mission can, with the right timing, drastically reduce the time spent on the mission. However, the rarity of this event means that a landed Eeloo craft will have to wait many years to reverse this action precisely and make it back to Kerbin.
Easter egg
{
EelooSrfLanded = There appears to be a teneous atmospheric coating around the planet. But it is too thin to affect any spacecraft landing here.
}Reference Frames
| Time warp | Minimum Altitude |
|---|---|
| 1× | Any |
| 5× | 4 000 m |
| 10× | 4 000 m |
| 50× | 20 000 m |
| 100× | 30 000 m |
| 1 000× | 40 000 m |
| 10 000× | 70 000 m |
| 100 000× | 150 000 m |
Gallery
Kerbal Space Program
A small probe on Eeloo.
Sunset on Eeloo.
A topographic height map of Eeloo as of version 0.18.2, made with the ISA MapSat plugin.
A probe on Eeloo near midday.
A successful landing party on Eeloo.
A crew of very brave kerbonauts and a rover on the surface of Eeloo at sunset.
A mid-size interplanetary spaceship orbiting Eeloo at a distance of around 250 km.
Note the relatively flat topography and complete lack of ground scatter.
It's lonely orbiting this rock, but something has to do it.
Eeloo as it appears in 1.12, with high-quality textures.
Kerbal Space Program 2
Eeloo in Kerbal Space Program 2.
Notes
- ↑ http://www.reddit.com/r/KerbalSpaceProgram/comments/150d8j/ksp_new_planet_for_182_devs_christmas_gift_eeloo/c7icr7o?context=3 by NovaSilisko
Changes
Kerbal Space Program
- Texture revamp
- Added biomes
- Added biomes
- Initial release
Kerbal Space Program 2
- 0.1.0
- Initial release
Trivia
- In KSP1, there were once plans for Eeloo to become the moon of a second gas planet and have an active surface, with cryovolcanic phenomena.[1][2] It is unknown what Eeloo's parent planet was intended to look like, but according to former developer NovaSilisko Eeloo was to be the innermost moon of three other major moons.[2]
- In the Gigastructural Engineering mod, a mod for the strategy game Stellaris, the Kerbol system can generate at game start, via the configuration options of the mod. In it, Eeloo is a deactivated Attack Moon, meanwhile Kerbin is a Broken World. There is an archeological site in Vall, that has something to do wih the Eeloo Attack Moon.
- ↑ http://forum.kerbalspaceprogram.com/showthread.php/35829-Eeloo-Discussion!?p=398040&viewfull=1#post398040 [Broken Link]
- ↑ 2.0 2.1 Post in the forum by NovaSilisko
