Are higher degree even zonals really harmful for the LARES/LAGEOS frame-dragging experiment?
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The low-altitude effects of LARES are examined to determined how they can impact the outcome of the hoped 1% frame-dragging measurement in the LARES–LAGEOS experiment. This analysis, based on a different approach than other studies recently appearing in the literature, shows that the spherical harmonics of the Earth gravity field with degree ℓ > 60 may represent a threat because their errors map significantly into LARES orbital disturbances compared to frame-dragging. The GIF48 model was used. It is questionable whether future Earth gravity models by GRACE and GOCE will be of sufficient accuracy.
2019 ◽
Vol 40
(5)
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pp. 1029-1053
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1996 ◽
Vol 215-216
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pp. 485-488
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2007 ◽
Vol 55
(4)
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pp. 503-511
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1997 ◽
Vol 66
(1)
◽
pp. 71-78
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