def get_body(name):
    """Retrieve a given body orbits and parameters

    Args:
        name (str): Object name
    Return:
        Body:
    """

    try:

        body, propag = _bodies[name.lower()]
        # attach a propagator to the object
        body.propagate = propag.propagate
    except KeyError as e:
        raise UnknownBodyError(e.args[0])

    return body
Retrieve a given body orbits and parameters

    Args:
        name (str): Object name
    Return:
        Body: