CHANGELOG.md

Changelog

• TypeScript support is added via new TypeScript definitions file (#71).
• Rollup and some other dependencies are upgraded.

4.0.0 (2020-01-21)

• Node.js 12 support is added. Node.js 6 and Node.js 8 support is dropped (breaking change).
• Mocha, Chai and Istanbul are replaced by Jest.
• Dependencies are upgraded.

3.0.1 (2019-03-14)

• Unnecessary calculations in sgp4 function are reduced (#47).
• vkmpersec calculation is moved to constants (#50).
• degreesToRadians function is used in docs instead of deg2rad constant (#53).
• Typos' fixes (#54).

3.0.0 (2018-11-26)

• Node.js 4 support is dropped (breaking change).
• Deprecated functions gstimeFromJday and gstimeFromDate are removed (breaking change).
• New transformation functions are added: radiansToDegrees, degreesToRadians, radiansLat, radiansLong.

2.0.3 (2018-09-15)

• satrec object is not cloned in sgp4 and sgp4init functions due to performance reasons.

2.0.2 (2018-04-16)

• Wrong predictions for Molniya 3-47 orbits are fixed. Special thanks to @nhamer.

2.0.1 (2018-03-01)

• sgp4 function's call result is used in sgp4init.
• Longitude of eciToGeodetic result is in [-PI; PI] range now.

2.0.0 (2017-12-23)

• Library became ES and Common.js compatible.
• Source code is reorganized to match original Python library.
• degreesLat and degreesLong don't adjust input radians value and throw RangeError if it's out of bounds (breaking change).
• invjday function is added.
• Julian day calculations take account of milliseconds (#38).
• Incorrect position and velocity bug for times not close to TLE epoch is fixed (#37).
• Continuous integration and test coverage are provided.
• Bower support is dropped.