🛰️ Orbit
- Altitude: 681 km
- Sun-synchronous, 10:30 AM equator crossing
📷 Bands
- 🩶 Panchromatic (0.45–0.90 µm) → 1 m detail
- 🟦🟩🟥🟪 Multispectral 4 bands (Blue/Green/Red/NIR) → 4 m detail
- Pan-sharpening fuses them → effective 1 m color
🎚️ Radiometric: 11-bit → 2 048 grey levels
🎯 Off-nadir pointing: up to ±45° (along + across track)
🏆 Heritage: first U.S. commercial sub-meter satellite (1999–2015)

💡

IKONOS = 1 meter pan, 4 meter MS, 11-bit, at 681 km. Sub-meter commercial pioneer. Tilts ±45° (more than SPOT's ±27°).

sensors/ikonos-key-facts