# `Sidereon.GeodeticTimeSeries.TrajectoryFitOptions`
[🔗](https://github.com/neilberkman/sidereon-ex/blob/main/lib/sidereon/geodetic_time_series.ex#L110)

Least-squares controls for trajectory fitting.

# `t`

```elixir
@type t() :: %Sidereon.GeodeticTimeSeries.TrajectoryFitOptions{
  f_scale_m: float(),
  loss: :linear | :soft_l1 | :huber | :cauchy | :arctan,
  max_nfev: pos_integer() | nil
}
```

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