# `Angelus.Ephemeride`
[🔗](https://github.com/MonsignorEduardo/angelus/blob/v1.0.1/lib/angelus/ephemeride.ex#L1)

A geocentric tropical ephemeris at one UTC instant.

This module is the return value of `Angelus.get_ephemeride/1`.

# `calculation_reference`

```elixir
@type calculation_reference() :: %{
  observer: :earth_center,
  earth: %{
    shape: :oblate_spheroid,
    equatorial_radius_km: float(),
    polar_radius_km: float(),
    flattening: float()
  },
  coordinate_frame: :true_ecliptic_of_date,
  aberration_correction: String.t()
}
```

# `motion`

```elixir
@type motion() :: :direct | :retrograde | :stationary
```

# `position`

```elixir
@type position() :: %{body: atom(), lat: float(), decl: float(), motion: motion()}
```

# `t`

```elixir
@type t() :: %Angelus.Ephemeride{
  datetime: DateTime.t(),
  day: Date.t(),
  positions: [position()],
  reference: calculation_reference(),
  sidereal_time: %{
    hour: non_neg_integer(),
    minute: non_neg_integer(),
    second: non_neg_integer()
  },
  weekday: atom()
}
```

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