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1. Comments
Orbit determination is based on sensor-based observations of the target. This section presents the different observation systems, the modeling of orbital motion and measurements, and the corrections to be applied.
1.1 Observation system
In most cases, the sensor is on the ground, or in orbit for specific applications. It collects an electromagnetic signal from an orbiting target. Depending on the observation system (optical, radar or lidar), the signal provides information on...
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Preliminary orbit
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