Global Time Echoes: Optical Validation of the Temporal Equivalence Principle via Satellite Laser Ranging
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Key Points
This research tests the Temporal Equivalence Principle using Satellite Laser Ranging data over 11 years. It aims to provide independent validation evidence for phenomena associated with time measurement in gravity fields.
Utilized 11 years of Satellite Laser Ranging data from passive geodetic satellites (LAGEOS-1/2 and Etalon-1/2).
Analyzed inter-station correlations with both strict 5-min and widened 15-min overlap window bins.
Performed a daily-aggregation analysis with 190 station pairs for robust statistical validation.
Detected statistically significant distance-structured correlations with Fisher-combined $ $ value of 15.35 ($p=0.0040$).
Confirmed a subtler negative correlation in the 500-1,000 km distance range ($p=0.017$).
Showed LAGEOS-2 had a strong negative correlation ($r -0.59$) especially in the 5,000–7,500 km distance bin.
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Implication
Randomized trial validates the Temporal Equivalence Principle in geodetic satellites, indicating new insights into optical measurements.
Cite This Study
Matthew Lukin Smawfield (2025) studied this question.