• 🛰️ Orbit
  • Altitude: 832 km
  • Sun-synchronous, 10:30 AM equator crossing
• ⏱️ Revisit
  • Nadir: 26 days
  • With off-nadir tilt (±27°): 1–4 days at mid-latitudes
• 📷 Bands — no blue!
  • 🩶 Panchromatic (0.51–0.73 µm) — 10 m
  • 🟩 XS1 — Green (0.50–0.59 µm) — 20 m
  • 🟥 XS2 — Red (0.61–0.68 µm) — 20 m
  • 🟪 XS3 — NIR (0.79–0.89 µm) — 20 m

⚠️ No blue band on SPOT 1–3 → can’t make natural-color composites.