# Test Configuration: Extreme Timescales for Analytical Propagation
# Tests orbital period extremes to validate propagation at different timescales

[[bodies]]
name = "Earth"
mass = 5.972e24
radius = 6.371e6
parent_index = -1
color = { r = 0.0, g = 0.5, b = 1.0 }
orbit = {
    semi_major_axis = 0.0,
    eccentricity = 0.0,
    true_anomaly = 0.0
}

[[bodies]]
name = "Sun"
mass = 1.989e30
radius = 6.96e8
parent_index = -1
color = { r = 1.0, g = 1.0, b = 0.0 }
orbit = {
    semi_major_axis = 0.0,
    eccentricity = 0.0,
    true_anomaly = 0.0
}

# 1. Very fast orbit - LEO-like (period ~92 minutes)
# Tests numerical precision challenges with fast orbits
[[spacecraft]]
name = "Fast_Orbit_LEO"
mass = 1000.0
parent_index = 0
orbit = {
    semi_major_axis = 6.771e6,
    eccentricity = 0.0,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}

# 2. Mercury-like fast orbit around Sun (period ~88 days)
# Tests moderately fast planetary orbit
[[spacecraft]]
name = "Mercury_Like_Orbit"
mass = 1000.0
parent_index = 1
orbit = {
    semi_major_axis = 5.79e10,
    eccentricity = 0.2056,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}

# 3. Very long period orbit - Jupiter-like (period ~11.86 years)
# Tests mean anomaly accumulation over long time intervals
[[spacecraft]]
name = "Long_Period_Orbit"
mass = 1000.0
parent_index = 1
orbit = {
    semi_major_axis = 5.2e11,
    eccentricity = 0.0489,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}

# 4. Very low altitude orbit (altitude ~100 km)
# Tests propagation near planetary surface
[[spacecraft]]
name = "Low_Altitude_Orbit"
mass = 1000.0
parent_index = 0
orbit = {
    semi_major_axis = 6.471e6,
    eccentricity = 0.0,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}

# 5. Super-synchronous orbit (period > 24 hours)
[[spacecraft]]
name = "Super_Synchronous_Orbit"
mass = 1000.0
parent_index = 0
orbit = {
    semi_major_axis = 4.5e7,
    eccentricity = 0.0,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}

# 6. Geosynchronous orbit (period = 24 hours exactly)
# Reference for period accuracy verification
[[spacecraft]]
name = "Geosynchronous_Orbit"
mass = 1000.0
parent_index = 0
orbit = {
    semi_major_axis = 4.2164e7,
    eccentricity = 0.0,
    true_anomaly = 0.0,
    inclination = 0.0,
    longitude_of_ascending_node = 0.0,
    argument_of_periapsis = 0.0
}