pious_squid 0.3.0

An astrodynamics library for the Dart ecosystem, covering orbital mechanics and satellite mission analysis logic.

0.1.0

• initial release

0.2.0

• public release

0.2.1

• update metadata

0.2.2

• fix batch least squares init ordering

0.3.0

• add external earth orientation parameter (eop) data support
• add external space weather (sw) data support
• add geocentric celestial reference frame (gcrf) coordinates
• increase available geopotential to 70x70
• use atmospheric drag with variable solar flux if sw data is available
• add state observation logic
• add gauss-newton orbit determination for state observations
• add covariance sigma point sampler/desampler
• allow zero force coefficients
• simplify propagator pair logic
• update precession nutation coefficients
• update polynomial regression logic
• fix apogee/perigee finder
• fix equinoctial retrograde factor
• fix broken relative maneuver solves when ignoring crosstrack
• fix itrf height a poles
• unify relative state types
• simplify drag/reflectivity parameters
• performance improvements for matrix operations
• add matrix qr/lu solvers
• add cubic spline caching
• add mahalanobis distace calculation
• optimize apparent sun position calculation
• add particle swarm optimizer