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FIGURE 4-6. Orbital energy, orbital velocity, period of revolution, and earth escape velocity of a space vehicle as a function of altitude for circular satellite orbits. It is based on a spherical earth and neglects the earth's rotation and atmospheric drag.

TABLE 4-1. Characteristic Data for Several Heavenly Bodies

Acceleration Escape

Mean Radius Mean Relative of Gravity Velocity at

TABLE 4-1. Characteristic Data for Several Heavenly Bodies

Acceleration Escape

Mean Radius Mean Relative of Gravity Velocity at

Name

of Orbit (million km)

Period of Revolution

Diameter (km)

Mass (Earth = 1.0)

Specific Gravity

at Surface (m/sec2)

Surface (m/sec)

Sun

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Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

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