Conjunction: 0° - planets at same position, energies merge
Sextile: 60° - opportunity, harmonious support
Square: 90° - tension, challenge, dynamic action
Trine: 120° - harmony, ease, natural flow
Opposition: 180° - polarity, awareness, balance
Semi-sextile: 30° - subtle friction, minor adjustment
Semi-square: 45° - irritation, minor tension
Quintile: 72° - creativity, talent, special gifts
Sesquiquadrate: 135° - frustration, agitation
Biquintile: 144° - creative mastery, refined talent
Quincunx: 150° - adjustment needed, inconjunct, "blind spot"
Septile: 360°/7 ≈ 51.43° - fate, karma, spiritual connection
Novile: 360°/9 = 40° - spiritual completion, divine order
Decile: 360°/10 = 36° - growth, skill development
Supported aspect types.
Remarks
Major aspects (Ptolemaic) are the five traditional aspects used since antiquity. Minor aspects provide additional nuance with tighter orbs.