Which of the following factors does NOT contribute to the drift of a geostationary satellite from its assigned stationary position?

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Solve this multiple-choice question and choose the correct option.

Accepted Answer

Introduction / Context:Geostationary satellites are designed to remain fixed relative to Earth's surface, but perturbations cause drift. Understanding what affects drift is essential for satellite station-keeping and orbital corrections. Given Data / Assumptions: Orbit: geostationary (approx. 36,000 km altitude). Drift sources: gravitational anomalies, radiation pressure, Earth's shape. Weight of satellite does not affect orbit per se (all bodies fall equally). Concept / Approach:Satellite motion obeys Newton's laws. Perturbations cause deviation, but satellite mass cancels out in gravitational equations, meaning weight is irrelevant to orbital drift. Step-by-Step Solution: Solar radiation exerts continuous small force → drift.Sun and Moon's gravity → cause longitudinal and latitudinal drift.Earth's oblateness (non-spherical shape) → causes drift from equator.Satellite weight → irrelevant, as gravitational acceleration is independent of mass. Verification / Alternative check: Orbital mechanics confirm perturbations depend on forces, not satellite mass. Why Other Options Are Wrong: All other listed factors do influence drift significantly. Common Pitfalls: Mistaking heavier satellites as more resistant to drift; in reality, station-keeping fuel requirement is unrelated to dry weight. Final Answer: Weight of the satellite

Which of the following factors does NOT contribute to the drift of a geostationary satellite from its assigned stationary position?

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