A125125 Decimal expansion of the geocentric gravitational constant (mass of Earth's atmosphere included) of the World Geodetic System 1984 Ellipsoid, second upgrade.

3, 9, 8, 6, 0, 0, 4, 4, 1, 8

Offset

15,1

Comments

Closely aligned with ITRF93, 29 Sept 96 onwards.

The new World Geodetic System is called WGS 84. It is currently the reference system being used by the Global Positioning System. It is geocentric and globally consistent within +-1 m.

References

H. Moritz, Geodetic Reference System 1980, Journal of Geodesy 74 (1): 128-162, 2000. (not WGS 84)

Thaddeus Vincenty, Direct and inverse solutions of geodesics on the ellipsoid with application of nested equations, Survey Review XXII (176): 88-93, 1975.

Links

Table of n, a(n) for n=15..24.

Office of GEOINT Sciences, World Geodetic System 1984 (WGS 84).

U.S. Dept. of Commerce, NOAA, National Geodetic Survey, Survey Review, Thaddeus Vincenty, Direct and Inverse Solutions of Geodesics on the Ellipsoid with Application of Nested Equations, Vol. XXIII, No. 176, April, 1975. (an application)

U.S. Dept. of Defense, National Imagery and Mapping Agency, Technical Report, WGS 1984, Its Definition and Relationships with Local Geodetic Systems.

U.S. Dept. of Transportation, Federal Aviation Administration, Advisory Circular 90-45A, Appendix J, Computation of Geodesic Information, 2/21/75.

WGS, World Geodetic System, 1984.

Wikipedia, Standard gravitational parameter

Wikipedia, World Geodetic System

Formula

Equals A070058*(the Earth mass). - Arkadiusz Wesolowski, Oct 25 2014

Example

GM = (3986004.418 +- 0.008) * 10^8 m^3/s^2.

Mathematica

(* first do *) Needs["GeometricalGeodesy`ReferenceEllipsoids`"]

Crossrefs

Cf. A125123, A125124, A125126.

Sequence in context: A021255 A229350 A070342 * A021719 A200346 A351404

Adjacent sequences: A125122 A125123 A125124 * A125126 A125127 A125128

Keyword

cons,nonn

Author

Robert G. Wilson v & Thomas H. Meyer, Nov 21 2006

Extensions

Missing term inserted and offset corrected by Arkadiusz Wesolowski, Oct 25 2014

Status

approved