[**moon-sighting v1.1.1**](../README.md) *** [moon-sighting](../README.md) / KernelConfig # Interface: KernelConfig Defined in: [types.ts:405](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L405) ## Properties ### cacheDir? > `optional` **cacheDir?**: `string` Defined in: [types.ts:414](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L414) Directory for the download cache. Defaults to ~/.cache/moon-sighting on POSIX, %LOCALAPPDATA%\moon-sighting on Windows. *** ### checksumOverride? > `optional` **checksumOverride?**: `string` Defined in: [types.ts:419](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L419) SHA-256 checksum of de442s.bsp for download verification. Bundled default matches the NAIF distribution as of 2024. *** ### leapSeconds? > `optional` **leapSeconds?**: [`KernelSource`](../type-aliases/KernelSource.md) Defined in: [types.ts:409](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L409) Leap-second kernel — defaults to naif0012.tls via auto-download *** ### planetary? > `optional` **planetary?**: [`KernelSource`](../type-aliases/KernelSource.md) Defined in: [types.ts:407](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L407) Planetary SPK kernel — defaults to de442s.bsp via auto-download