Explain briefly the difference between apogee and perigee as applied to Highly Elliptical Orbit.
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Explain briefly the difference between apogee and perigee as applied to Highly Elliptical Orbit.
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- Imagine that Earth had two identical Moons, following the same orbit but staying 90° apart. What effects would this have on the ocean tides experienced on Earth?Calculate the escape velocity to an orbit of 457 km height from a planet with the radius of 2000 km and the density of 3400 kg⋅m-³. Give your answer in Sl units.GeoEye-1 is an Earth-observation satellite that provides high-resolution images for Google. The orbital period and eccentricity of GeoEye-1 are 98.33 min and 0.001027, respectively. Determine the perigee and apogee altitudes of GeoEye-1.
- A satellite is in a circular orbit at an altitude of 1.5 earth radii, with an inclination of 90°. Calculate the satellite's orbital period in minutes. Report your answer to three significant digits (e.g. 123). For the radius of the earth use RE = 6371 km; for the gravitation acceleration use g = 9.81 m/s2. What is the orbital period in minutes?8-24. An Earth satellite has a perigee of 300 km and an apogee of 3,500 km above Earth's surface. How far is the satellite above Earth when (a) it has rotated 90° around Earth from perigee and (b) it has moved halfway from perigee to apogee?(a) Calculate the orbital inclination required to place a Venus-orbiting spacecraft in a 400 km-by-900 km sun-synchronous orbit. (b) Determine the periapsis and apoapsis for a Mars-orbiting spacecraft whose orbit satisfies all the following conditions: it is sun-synchronous, its argument of perigee is constant, and its period is 7 h.
- What are the speed and period of a satellite in an 85.00 km altitude lunar orbit? (what is Rmoon?) (mu_moon = 4903 km^3/s^2; v = 1.640 km/s)Please asapA synchronous satellite, which always remains above the same point on a planet's equator, is put in orbit around Jupiter so that scientists can study a surface feature. Jupiter rotates every 9.84 h. Use the data of Table 13.2 to find the altitude of the satellite. km Need Help? Talk to a Tutor
- The orbit of a 1.5 x 1010 kg comet around the Sun is elliptical, with an aphelion distance of 11.0 AU and perihelion distance of 0.890 AU. (Note: 1 AU = one astronomical unit = the average distance from the Sun to the Earth = 1.496 x 101" m.) (a) What is its orbital eccentricity? (b) What is its period? (Enter your answer in yr.) yr (c) At aphelion what is the potential energy (in J) of the comet-Sun system?(a) Suppose that your measured weight at the equator is one-half your measured weight at the pole on a planet whose mass and diameter are equal to those of Earth. What is the rotational period of the planet? (b) Would you need to take the shape of this planet into account?A satellite encircles Mars at a distance above its surface equal to 3 times the radius of Mars. If gm the acceleration due to gravity at the surface of Mars, what is the acceleration due to gravity at the location of the satellite? A. gm/16 B. gm/9 C. gm/4 D. gm/3 O B O A