Space geodesy
# Space geodesy

Geodesy :

Fundamentals

Geodesy

Geodynamics

Geomatics

History :

Concepts

Geographical distance

Geoid

Figure of the Earth (radius and circumference)

Geodetic coordinates

Geodetic datum

Geodesic

Horizontal position representation

Latitude / Longitude

Map projection

Reference ellipsoid

Satellite geodesy

Spatial reference system

Spatial relations

Vertical positions :

Technologies

Global Nav. Sat. Systems (GNSSs)

Global Pos. System (GPS)

GLONASS (Russia)

BeiDou (BDS) (China)

Galileo (Europe)

NAVIC (India)

Quasi-Zenith Sat. Sys. (QZSS) (Japan)

Discrete Global Grid and Geocoding :

Standards (history) NGVD 29 Sea Level Datum 1929 OSGB36 Ordnance Survey Great Britain 1936 SK-42 Systema Koordinat 1942 goda ED50 European Datum 1950 SAD69 South American Datum 1969 GRS 80 Geodetic Reference System 1980 ISO 6709 Geographic point coord. 1983 NAD 83 North American Datum 1983 WGS 84 World Geodetic System 1984 NAVD 88 N. American Vertical Datum 1988 ETRS89 European Terrestrial Ref. Sys. 1989 GCJ-02 Chinese obfuscated datum 2002 Geo URI Internet link to a point 2010

International Terrestrial Reference System

Spatial Reference System Identifier (SRID)

Universal Transverse Mercator (UTM) :

vte :

Space geodesy is geodesy by means of sources external to Earth, mainly artificial satellites (in satellite geodesy) but also quasars (in very-long-baseline interferometry, VLBI), visible stars (in stellar triangulation), and the retroreflectors on the Moon (in lunar laser ranging, LLR).

