ks-astronomy
This package provide many astronomical calculations for sun, moon, and planets, including rise and set times, eclipse info, positions of the moons of Jupiter and Saturn, equinoxes and solstices, etc.
Coupled with an appropriate data service, it can also provide a star catalog, the position of Jupiter's Great Red Spot, and comet and asteroid positions.
Build
Run npm run build to build the project. The build artifacts will be stored in the dist/ directory.
Running unit tests
Run npm run test to execute the unit tests via Karma.