Testing General Relativity with LAGEOS, LAGEOS 2 and Ajisai Laser-ranged Satellites
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- Iorio Lorenzo
- Dipartimento Interateneo di Fisica
書誌事項
- タイトル別名
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- Testing General Relativity with LAGEOS, LAGEOS II and Ajisai Laser-ranged Satellites.
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説明
The accuracy reached in the past few years by Satellite Laser Ranging (SLR) allows for measuring even tiny features of the Earth's gravitational field predicted by Einstein's General Relativity by means of artificial satellites. The gravitomagnetic dragging of the orbit of a test body is currently under measurement by analyzing a suitable combination of the orbital residuals of LAGEOS and LAGEOS II. The lower bound of the error in this experiment amount to 12.92%. It is due to the mismodeling in the even zonal harmonics of the geopotential which are the most important sources of systematic error. A similar approach could be used in order to measure the relativistic gravitoelectric pericenter shift in the field of the Earth with a lower bound of the systematic relative error of 6.59×10-3 due to the even zonal harmonics as well.The inclusion of the ranging data to the Japanese passive geodetic satellite Ajisai would improve such limits to 10.78% and 8.1×10-4 respectively and would allow to improve the accuracy in the determination of the PPN parameters β and γ.
収録刊行物
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- 測地学会誌
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測地学会誌 48 (1), 13-20, 2002
日本測地学会
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詳細情報 詳細情報について
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- CRID
- 1390282679044533376
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- NII論文ID
- 10007760608
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- NII書誌ID
- AN00134900
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- ISSN
- 2185517X
- 00380830
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- NDL書誌ID
- 6112860
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可
