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91 lines
2 KiB
Markdown
91 lines
2 KiB
Markdown
[**moon-sighting v1.1.1**](../README.md)
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***
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[moon-sighting](../README.md) / SpkSegment
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# Interface: SpkSegment
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Defined in: [types.ts:459](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L459)
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A segment in a JPL SPK (DAF) kernel file
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## Properties
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### center
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> **center**: `number`
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Defined in: [types.ts:463](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L463)
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NAIF body ID of the center body
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***
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### dataOffset
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> **dataOffset**: `number`
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Defined in: [types.ts:473](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L473)
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Byte offset of the data array in the file
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***
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### dataSize
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> **dataSize**: `number`
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Defined in: [types.ts:475](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L475)
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Number of double-precision values in the data array
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***
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### dataType
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> **dataType**: `2` \| `3`
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Defined in: [types.ts:467](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L467)
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SPK data type (2 = Chebyshev position only, 3 = Chebyshev position + velocity)
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***
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### endET
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> **endET**: `number`
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Defined in: [types.ts:471](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L471)
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Segment end time in ET seconds past J2000
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***
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### frame
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> **frame**: `number`
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Defined in: [types.ts:465](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L465)
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Reference frame code
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***
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### startET
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> **startET**: `number`
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Defined in: [types.ts:469](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L469)
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Segment start time in ET seconds past J2000
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***
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### target
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> **target**: `number`
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Defined in: [types.ts:461](https://github.com/acamarata/moon-sighting/blob/2992dcee216cb24cc74542f6e8d5a6f4f0d16e05/src/types.ts#L461)
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NAIF body ID of the target body
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