Theoretical substance and research of methods for measurement of the first, second and third gradients of gravitational potential in a nano-satellite cluster by direct GNSS signals

S.I. Donchenko, V.F. Fateev, R.A. Davlatov

FSUE “VNIIFTRI”, Mendeleevo, Moscow region, Russia
director@vniiftri,
generalfat@mail.ru,
davlatov_r_a@mail.ru

Al’manac of Modern Metrology № 1 (37) 2024, pages 60–79

Abstract. To create a noise-free navigation system based on measurements of the pa­ra­meters of the Earth’s gravitational field, it is necessary to generate navigation gravi­metric maps. In remote and hard-to-reach territories and waters, including in the Arctic zone, this is only possible with the use of space gravimetric means. Existing methods and means of space gravimetry do not meet the require­ments for the accuracy, composition and detail of measurements of gravitational field parameters. The article proposes new methods of space gravimetry based on the use of a cluster of nano­sa­tel­lites with on-board consumer navigation equipment.

Keywords: Earth’s gravitational field, gravitational potential gradient, nanosatellite cluster, onboard navigation equipment.

Full texts of articles are available only in Russian in printed issues of the magazine.