18 lines
340 B
C
18 lines
340 B
C
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#ifndef __rockflight_h__
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#define __rockflight_h__
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/* universal gravitational constant */
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#define UGC 6.672e-11
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/* earth angular velocity */
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#define WE 7.27e-5
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/* square of earth angular velocity */
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#define WE2 5.28529e-9
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/* earth mass */
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#define ME 5.98e24
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/* earth radius */
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#define EARTH_RAD 6.3567668e6
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#endif __rockflight_h__
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