KeplerTranslation

Inherits Translation

Members

Name	Documentation	Type	Description	Optional
ArgumentOfPeriapsis	This value determines the argument of periapsis in degrees, that is the position on the orbit that is closest to the orbiting body	Double	In range: ( -360,360 )	No
AscendingNode	This value determines the right ascension of the ascending node in degrees, that is the location of position along the orbit where the inclined plane and the horizonal reference plane intersect	Double	In range: ( -360,360 )	No
Eccentricity	This value determines the eccentricity, that is the deviation from a perfect sphere, for this orbit. Currently, hyperbolic orbits using Keplerian elements are not supported	Double	In range: ( 0,1 )	No
Epoch	This value determines the epoch for which the initial location is defined in the form of YYYY MM DD HH:mm:ss	String	Value of type ‘String’	No
Inclination	This value determines the degrees of inclination, or the angle of the orbital plane, relative to the reference plane, on which the object orbits around the central body	Double	In range: ( -360,360 )	No
MeanAnomaly	This value determines the mean anomaly at the epoch in degrees, which determines the initial location of the object along the orbit at epoch	Double	In range: ( -360,360 )	No
Period	Specifies the orbital period (in seconds)	Double	Greater than: 0	No
SemiMajorAxis	This value determines the semi-major axis, that is the distance of the object from the central body in kilometers (semi-major axis = average of periapsis and apoapsis)	Double	Value of type ‘Double’	No

Inherited members from Translation

Name	Documentation	Type	Description	Optional
Type	The type of translation that is described in this element. The available types of translations depend on the configuration of the application and can be written to disk on application startup into the FactoryDocumentation	String	Must name a valid Translation type	No

Asset Examples

local transforms = asset.require("scene/solarsystem/sun/transforms")



local AU = 1.496e+8

local Translation = {
  Type = "KeplerTranslation",
  Eccentricity = 0.8565069519144183,
  SemiMajorAxis = 532.3064703980097 * AU,
  Inclination = 11.93034000375754,
  AscendingNode = 144.2584776398181,
  ArgumentOfPeriapsis = 310.8687900929183,
  MeanAnomaly = 358.4694078785378,
  Epoch = "2023 02 10 13:48:38",
  Period = 4485811.755507208 * 60 * 60 * 24
}

local Position = {
  Identifier = "SednaPosition",
  Parent = transforms.SunEclipJ2000.Identifier,
  Transform = {
    Translation = Translation
  },
  GUI = {
    Name = "Sedna Position",
    Path = "/Solar System/Dwarf Planets/Sedna",
    Hidden = true
  }
}


asset.onInitialize(function()
    openspace.addSceneGraphNode(Position)
end)

asset.onDeinitialize(function()
    openspace.removeSceneGraphNode(Position)
end)

asset.export("Translation", Translation)
asset.export("Position", Position)



asset.meta = {
  Name = "Sedna Position (Keplerian)",
  Version = "1.0",
  Description = [[Position of Sedna. KeplerTranslation Version Data from
    JPL Horizons]],
  Author = "OpenSpace Team",
  URL = "https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Sedna",
  License = "JPL/NASA"
}