INNER CODE UNIT · Python

lat

ATTron/astroz · bindings/python/astroz/__init__.py:156

        lat = np.arctan2(z + _WGS84_E2 * n * sin_lat, r)
    sin_lat = np.sin(lat)
    n = _WGS84_A / np.sqrt(1.0 - _WGS84_E2 * sin_lat * sin_lat)
    p[..., 0] = np.degrees(lat)
    p[..., 1] = np.degrees(lon)
    p[..., 2] = r / np.cos(lat) - n


class Constellation:
    """Satellites parsed once, for repeated ``propagate`` / ``screen`` calls.

    Near-earth satellites run through SIMD SGP4 batches and deep-space ones
    through SDP4; a constellation can mix both.

    Parameters
    ----------
    source : str, optional
        Orbital element data source. Can be one of:

View source record →