# `Sidereon.OrbitDetermination.OrbitFitCovariance`
[🔗](https://github.com/neilberkman/sidereon-ex/blob/main/lib/sidereon/orbit_determination.ex#L18)

Fitted state covariance or an unbounded marker.

# `t`

```elixir
@type t() :: %Sidereon.OrbitDetermination.OrbitFitCovariance{
  kind: :estimated | :unbounded,
  matrix: [[float()]] | nil
}
```

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