struct Predict::GravityConstants

• Predict::GravityConstants
• Struct
• Value
• Object

Overview

Gravity constants used by the SGP4 algorithm. Using variants of this class lets you change between WGS72 and WGS84 easily.

Defined in:

predict/constants.cr

Constant Summary

WGS72 = new(SGP4::GravConstType::WGS72)

WGS72Old = new(SGP4::GravConstType::WGS72Old)

WGS84 = new(SGP4::GravConstType::WGS84)

Constructors

• .[](grav_type) : GravityConstants

Instance Method Summary

• #flattening : Float64
• #j2 : Float64
• #j3 : Float64
• #j3oj2 : Float64
• #j4 : Float64
• #mu : Float64
• #radiusearthkm : Float64
• #tumin : Float64
• #type : SGP4::GravConstType
• #xke : Float64

Constructor Detail

Instance Method Detail