An Efficient Computation of Effective Ground Range Using an Oblate Earth Model

Table 1

Comparison of ground ranges using oblate spheroid Earth model from a launch city A (−100°, 30°).

(Longitude, latitude)	Range-ND method (km)	Range-MF method (km)	Difference (m)
(60°, −30°)	18104.8887315221	18105.1601439396	271.41241749996
(30°, −30°)	15252.3679549724	15252.4368861646	68.9311921942135
(75°, −30°)	19547.4843247251	19548.6946517136	1210.32698854469
(95°, −30°)	19066.0969508061	19066.7002432942	603.292488183797
(10°, 25°)	10370.6552426009	10370.6407400275	14.5025733963848
(0°, 0°)	10976.4405907028	10976.433648927	6.94177578952804
(−100°, −30°)	6677.23509886027	6677.23509886027