5.0.0

• Errors in calculations are fixed, WGS72 is used instead of WGS84 (#107).
• Dependencies are upgraded.

4.1.4

• TypeScript definition for ecfToEci function is added.

4.1.3

• Fixed calculation of Doppler effect (dopplerFactor).

4.1.2

• Expose error in TypeScript definition of SatRec.
• Fix TypeScript definition for PositionAndVelocity to allow error handling.

4.1.1

• Fix TypeScript definition for gstime (#73).
• Fix documentation and TypeScript definition for degreesLong and degreesLat (#74).

4.1.0

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

4.0.0

• 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

• 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

• 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

Release notes

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