// SPDX-FileCopyrightText: 2026 Helge Eichhorn <git@helgeeichhorn.de>
//
// SPDX-License-Identifier: MPL-2.0
//! Visibility analysis, ground station and spacecraft asset modelling.
/// Asset definitions: ground stations, spacecraft, constellations, and scenarios.
/// AOI imaging event detection: sub-satellite point, swath, and off-nadir coverage.
/// Power budget analysis: eclipse detection, beta angle, solar flux.
/// Visibility analysis: line-of-sight, elevation masks, passes, and interval computation.