//[astronomy](../../../index.md)/[io.github.cosinekitty.astronomy](../index.md)/[Vector](index.md)/[Vector](-vector.md) # Vector fun [Vector](-vector.md)(x: [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html), y: [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html), z: [Double](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-double/index.html), t: [Time](../-time/index.md))