# `Sidereon.GeodeticTimeSeries.TrajectoryModel`
[🔗](https://github.com/neilberkman/sidereon-ex/blob/main/lib/sidereon/geodetic_time_series.ex#L92)

Linear trajectory model shape.

# `t`

```elixir
@type t() :: %Sidereon.GeodeticTimeSeries.TrajectoryModel{
  include_annual: boolean(),
  include_semiannual: boolean(),
  offset_epochs_year: [float()],
  reference_epoch_year: float() | nil
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*