4. Consider a cubesat that got deployed below the ISS and achieved a circular orbit of 410km altitude with an inclination of 51.600°. What is the spacing, in kilometers, betweensuccessive ground tracks at the equator:a. Ignoring J2 (Earth's oblateness) effectsb. Accounting for J2 effectsc. Compare the two results and comment [Partial Answer: 35.7km difference]

Answered: Image /qna-images/answer/452844ab-1f05-439d-aca9-d8059518b921.jpg

Answered: 4. Consider a cubesat that got deployed…

Horizons: Exploring the Universe (MindTap Course List)

14th Edition

ISBN:9781305960961

Author:Michael A. Seeds, Dana Backman

Publisher:Michael A. Seeds, Dana Backman

Chapter18: The Outer Solar System

Section: Chapter Questions

Problem 1DQ: Some astronomers argue that Jupiter and Saturn are unusual, while other astronomers argue that all...

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Some astronomers argue that Jupiter and Saturn are unusual, while other astronomers argue that all planetary systems should contain one or two such giant planets. What do you think? Support your argument with evidence.
You are packing for a vacation on a planet orbiting another star that is much like the Sun. Why might you want some information about the planets orbit size and axis tilt to know what to pack?
5. A spherical planet has a mass of 5 X 1024 kg. Its diameter is 10,000 km. First calculate its vol- ume in meters (1 km = 1000 m). Then calculate its density (Mass/Volume) in kg/m³.
a. What is a repeat ground-track orbit? b. Explain why repeat ground-track and Sun-synchronous orbits are typically used for Earth observation missions. = c. The constraint for a Sun-synchronous and repeat ground-track orbit is given by T 86, 400, where T is the orbital period in seconds, m the number of days and k the number of revolutions. Explain why this is, in fact, a constraint on the semi-major axis of the orbit. m
1. Suppose you have an Oort cloud comet on an orbit with pericenter distance 10,000 AU, and apocenter distance 20,000 AU. a. What are the semi-major axis and eccentricity of the orbit? b. What are the specific energy (energy per unit mass), and specific angular momentum (angular momentum per unit mass) of the comet? c. How fast is the comet moving at apocenter (relative to the Sun)?
1. What is an astronomical unit (AU)? How many meters is one AU? 2. How many seconds are in one year? 3. Are the planets accelerating as they orbit the Sun? If so, what force is acting on them to cause the acceleration? Be specific.
. Solve the following problems. Use GFSA (Given, Find, Solution, and Answer) on the given space below. Encircle your final answer, write it in scientific notation with 2 decimal places (if possible). You’re involved in the design of a mission carrying humans to the surface of the planet Mars, which has a radius 3.37x106m and a mass of 6.42x1023 kg. The earth weight of the Mar’s lander is 39,200 N. Calculate its weight and the acceleration due to Mar’s gravity at 6.0 x 106 m above the surface of Mars. r= 3.37x106 m h = 6.0x106 m above the surface of Mars.
4. Determine the flight for a solar probe which will use a Venus flyby in to move into an orbit inside the orbit of Venus right after the flyby. The probe arrives at Venus with a Hohmann transfer from Earth. Assume Venus does not have an atmosphere; assume circular orbits for the planets. a. Given that the probe is to be deflected towards the sun, on which side of Venus must the flyby occur (the sunlit side, or the dark side)? b. What is the difference in velocity between the probe and Venus when the probe enters into Venus Sol? (Tip: this is v.) [Answer: -2.729km/s] c. What is the maximum possible deflection angle during the Venus flyby? What would be the periapsis radius of such a flyby? Sketch the approach and departure velocities using Venus-centered coordinates. [Answer: 50.02°] d. By what angle is the probe deflected relative to the sun? [Answer: 3.567°]
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2. Comet 1943 I has a period of 512 years and an eccentricity of 0.999914 and an inclination of 22 degrees. a. What is the comet's semi major axis? b. What are its perihelion and aphelion distances? c. What is the most likely source region of this object? d. What is its tisserand parameter and what does that tell you?

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