EGravityModel

Member	Value	Description
eVACbGravityModelZonalsToJ4	0	ZonalsToJ4 - (various) Gravity model for all central bodies except Sun, Earth and Moon.
eVACbGravityModelEarthSimple	1	Earth Simple gravity model.
eVACbGravityModelWGS84	2	WGS84 - (Earth) World Geodetic System 1984; WGS 84 was created by the Defense Mapping Agency (DMA).
eVACbGravityModelEGM96	3	EGM96 - (Earth) Earth Gravity Model 1996, a geopotential model of the Earth consisting of spherical harmonic coefficients complete to degree and order 360. Developed jointly by NGA (formerly known as NIMA), NASA Goddard and Ohio State University.
eVACbGravityModelGEMT1	4	GEMT1 - (Earth) Goddard Earth Model T1.
eVACbGravityModelJGM2	5	JGM2 - (Earth) Joint Gravity Model version 2, a model that describes the Earth gravity field up to degree and order 70, developed by NASA/GSFC Space Geodesy Branch, the University of Texas Center for Space Research and CNES.
eVACbGravityModelJGM3	6	JGM3 - (Earth) Joint Gravity Model version 3, a model that describes the Earth gravity field up to degree and order 70, developed by the University of Texas and NASA/GSFC.
eVACbGravityModelWSG84EGM96	7	WGS84 EGM96 - (Earth) Uses the coefficients from EGM96 with the shape model of WGS84. This model is the recommended gravity model of the WGS84 definition document: NIMA TR8350.2, Third Edition, 4 July 1997.
eVACbGravityModelWGS84Old	8	WGS84 old - (Earth) Old version of WGS84.
eVACbGravityModelGLGM2	9	GLGM2 - (Moon) GM = 4.9028029535968e+12, reference distance = 1,738,000 m.
eVACbGravityModelLP165P	10	LP165P - (Moon) GM = 4.902801056E+12, reference distance = 1,738,000.0 m.
eVACbGravityModelIcarus1987	11	Icarus1987 - (Mercury) GM = 2.203209e+013, reference distance = 2,439,000 m. Reference: Anderson, J. J., Colombo, G., Esposito, P. B., Lau E. L., and Trager, G. B. 'The Mass, Gravity Field, and Ephemeris of Mercury', Icarus 71, 337-349, 1987.
eVACbGravityModelMGNP180U	12	MGNP180U - (Venus) GM = 3.248585920790000E+14, reference distance = 6,051,000.0 m.
eVACbGravityModelGMM1	13	GMM1 - (Mars) GM = 4.28283579647735e+13, reference distance = 3,394,200.0 m.
eVACbGravityModelGMM2B	14	GMM2B - (Mars) GM = 4.28283719012840e+13, reference distance = 3,397,000 m. Reference: These numbers came from the GMM-2B model published at http://bowie.gsfc.nasa.gov/926/MARS/GMM2B.html and submitted to Journal of Geophysics Research, November 2000.
eVACbGravityModelMars50c	15	Mars50c - (Mars) GM = 4.2828370371000e+13, reference distance = 3,394,200 m.
eVACbGravityModelJUP230	16	JUP230 - (Jupiter) GM = 1.26686535e+017, reference distance = 71,492,000 m. Reference: Jacobson, R. A. The JUP230 orbit solution, 2003.
eVACbGravityModelAstron2004	17	Astron2004 - (Saturn) GM = 3.7931284e+016, reference distance = 60,330,000 m.
eVACbGravityModelAstronAstro1991	18	AstronAstro1991 - (Neptune) GM = 6.835107e+015, reference distance = 25,225,000 m.
eVACbGravityModelIcarus2001	19	Icarus2001 - (Callisto) GM = 7.179292e+12, reference distance = 2,410,300 m.
eVACbGravityModelScience1998	20	Science1998 - (Europa) GM =3.20272e+012, reference distance = 1,565,000 m.
eVACbGravityModelNature1996	21	Nature1996 - (Ganymede) GM = 9.8866e+12, reference distance = 2,634,000 m.
eVACbGravityModelJGeoRes2001	22	JGeoRes2001 - (Io) GM = 5.96e+12, reference distance = 1,821,600 m.
eVACbGravityModelGGM01C	23	GGM01C - (Earth)
eVACbGravityModelGGM02C	24	GGM02C - (Earth)
eVACbGravityModelWGS72ZonalsToJ4	25	WGS72 ZonalsToJ4 - (Earth)
eVACbGravityModelLP100J	26	LP100J - (Moon)
eVACbGravityModelLP100K	27	LP100K - (Moon)
eVACbGravityModelLP150Q	28	LP150Q - (Moon)
eVACbGravityModelLP75G	29	LP75G - (Moon)

UniqueName

IAgVACentralBody Interface