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Topics posted by David Sims
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- 0 replies
- 357 views
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A Determination of a Preliminary Orbit from Four Observations
By David Sims, in Physics, Space Science and Theories
- 0 replies
- 307 views
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Elliptical Transfer-Intercept Orbits: Non-Hohmann Transfer Orbits that Take You Somewhere
By David Sims, in Physics, Space Science and Theories
- 0 replies
- 455 views
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Four observation method for orbit determination, useful for asteroids
By David Sims, in Celestial Events Heads Up
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- 623 views