Ryan Malloy 13d49c1072 Add 30k Space-Track catalog and benchmark results ...

Space-Track USSPACECOM catalog: 29,784 objects from full GP query.
Benchmark shows SP-GiST index reaches parity with seqscan at 30k:
  - Delta: +1.6ms (14k) -> +0.9ms (20k) -> +0.0ms (30k)
  - Planner voluntarily chooses Index Only Scan at this scale
  - Zero heap fetches (all data served from index pages)
  - 75.9% candidate pruning on 2h/10deg query

Archive includes TLEs from Space-Track, TLE API, and SatNOGS.

2026-02-17 22:22:58 -07:00

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