https://github.com/csanfilippo/swift-sgp4

A Swift package to compute satellite positions from two-line elements (TLE).
https://github.com/csanfilippo/swift-sgp4

satellite-prediction satellite-tracking sgp4 spm swift tle

Last synced: about 2 months ago
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A Swift package to compute satellite positions from two-line elements (TLE).

• Host: GitHub
• URL: https://github.com/csanfilippo/swift-sgp4
• Owner: csanfilippo
• License: mit
• Created: 2022-07-03T10:32:44.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2023-05-04T18:00:24.000Z (over 1 year ago)
• Last Synced: 2024-05-20T23:07:52.547Z (7 months ago)
• Topics: satellite-prediction, satellite-tracking, sgp4, spm, swift, tle
• Language: C++
• Homepage:
• Size: 64.5 KB
• Stars: 6
• Watchers: 2
• Forks: 3
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# swift-sgp4

[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fcsanfilippo%2Fswift-sgp4%2Fbadge%3Ftype%3Dswift-versions)](https://swiftpackageindex.com/csanfilippo/swift-sgp4)

[![](https://img.shields.io/endpoint?url=https%3A%2F%2Fswiftpackageindex.com%2Fapi%2Fpackages%2Fcsanfilippo%2Fswift-sgp4%2Fbadge%3Ftype%3Dplatforms)](https://swiftpackageindex.com/csanfilippo/swift-sgp4)

A Swift package to compute satellite positions from two-line elements (TLE), wrapping the [sgp4lib](https://www.danrw.com/sgp4/) library (by Daniel Warner)

## Usage

```swift

import SGPKit

let title = "ISS (ZARYA)"

let firstLine = "1 25544U 98067A   13165.59097222  .00004759  00000-0  88814-4 0    47"

let secondLine = "2 25544  51.6478 121.2152 0011003  68.5125 263.9959 15.50783143834295"

// Instantiate a new TLE descriptor

let tle = TLE(title: title, firstLine: firstLine, secondLine: secondLine)

// Instantiate the interpreter

let interpreter = TLEInterpreter()

// Obtain the data

let data: SatelliteData = interpreter.satelliteData(from: tle, date: .now)

print(data.latitude)

print(data.longitude)

print(data.altitude)

print(data.speed)

```

## Installation

### Swift Package Manager

If you want to use SGPKit in any other project that uses [SwiftPM](https://swift.org/package-manager/), add the package as a dependency in `Package.swift`:

```swift

dependencies: [

  .package(

    url: "https://github.com/csanfilippo/swift-sgp4",

    from: "1.2.0"

  ),

]

```