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**IKONOS orbit — the four numbers to memorize.** | Parameter | Value | |---|---| | Altitude | **681 km** (423 mi) | | Orbital period | **98 min → 14.6 revolutions/day** | | Inclination | **98.1°** (sun-synchronous, near-polar) | | Swath width | **11 km** at nadir | | Scanner type | **Pushbroom** (linear array) | - "98.1°" is a near-polar sun-synchronous orbit — crosses the equator at the same local time (~10:30 AM descending) each day.

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