fn main() {
let pv = oberons::observation::uranus_view::UranusView::sub_uranus_default();
println!("Apparent diameter: {} deg", pv.apparent_diameter_deg);
println!("Visible: {}", pv.is_visible());
println!(
"Planetshine gain: {:.3}",
oberons::observation::uranus_view::uranusshine_gain(pv, 0.5)
);
let nav = oberons::observation::navigation::NavigationSolution::autonomous_surface_fix();
println!("Nav robust: {}", nav.is_robust());
}