Table 1 Satellite orbital parameters.

From: Localization and ambiguity resolution algorithm for time-difference fusion of three satellites based on observation filtering

Satellite

s1

s2

s3

Semi-major axis

7478.14 km

7478.14 km

7478.14 km

Eccentricity

0°

0°

0°

Inclination

63.4°

63.4°

63.4°

Longitude of the ascending node

125°

124.5°

125.5°

Argument of periapsis

0°

0°

0°

Mean anomaly at epoch

6°

5.6°

5.2°

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