Function detectStellium

detectStellium(aspects: Aspect[]): AspectPattern[]
Detect Stellium patterns.
Parameters
- aspects: Aspect[]
Returns AspectPattern[]
Remarks
A Stellium consists of:
- 3 or more planets in conjunction (all within orb of each other)
Different traditions define stellium as:
- Modern: 3+ planets within ~10° span
- Traditional: 3+ planets in same sign
This implementation uses the conjunction aspect approach.
- Defined in aspects/patterns.ts:466