Eci class

ECI coordinates

Constructors

Eci(Vector pos, Vector vel, Julian date, {bool isAeUnits = true})

Eci.fromGeo(CoordGeo geo, Julian date)

Eci(CoordGeo, Julian) Calculate the ECI coordinates of the location "geo" at time "date". Assumes geo coordinates are km-based. Assumes the earth is an oblate spheroid as defined in WGS '72. Reference: The 1992 Astronomical Almanac, page K11 Reference: www.celestrak.com (Dr. TS Kelso)

Properties

date ↔ Julian

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

pos ↔ Vector

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

vecUnits ↔ VecUnits

getter/setter pair

vel ↔ Vector

getter/setter pair

Methods

ae2Km() → void

Convert position, velocity vector units from AE to km ae2Km() Convert the position and velocity vector units from AE-based units to kilometer based units.

getDate() → Julian

get the date as Julian Date

getPos() → Vector

return the pos

getVel() → Vector

return the velocity

mulPos(double factor) → void

mulVel(double factor) → void

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

setUnitsAe() → void

setUnitsKm() → void

toGeo() → CoordGeo

toGeo() Return the corresponding geodetic position (based on the current ECI coordinates/Julian date). Assumes the earth is an oblate spheroid as defined in WGS '72. Side effects: Converts the position and velocity vectors to km-based units. Reference: The 1992 Astronomical Almanac, page K12. Reference: www.celestrak.com (Dr. TS Kelso)

toString() → String

A string representation of this object.

inherited

unitsAreAe() → bool

unitsAreKm() → bool

Operators

operator ==(Object other) → bool

The equality operator.

inherited