Table of Contents
- 1 Which satellite rotates at the same speed as the Earth while orbiting the equator at 36000 km?
- 2 Which satellite is at the height 36000 km above the equator?
- 3 Can a satellite stay still?
- 4 What is the height of the satellite above the surface of Earth?
- 5 Why are satellites in geostationary orbit above the equator?
- 6 Which is the best description of a medium Earth orbit?
Which satellite rotates at the same speed as the Earth while orbiting the equator at 36000 km?
geostationary
Satellite orbits. Geosynchronous (geostationary) satellites orbit 36,000 km over the equator and remain over a single spot. They always view the same region, and produce the movie “loops” seen on TV news. They cannot cover the high latitudes.
Which satellite is at the height 36000 km above the equator?
Geosynchronous orbits (GEO) – GEO satellites orbit Earth at an altitude greater than 22,223 miles (36,000 kilometers) and their orbital period is the same as Earth’s rotational period: 24 hours. Included in this category are geostationary (GSO) satellites, which remain in orbit above a fixed spot on Earth.
What is in high earth orbit?
High Earth Orbit. Satellites in geostationary orbit rotate with the Earth directly above the equator, continuously staying above the same spot. This position allows satellites to observe weather and other phenomena that vary on short timescales. (NASA images by Marit Jentoft-Nilsen and Robert Simmon.)
What is the orbit of a geostationary satellite and why?
Satellites in geostationary orbit (GEO) circle Earth above the equator from west to east following Earth’s rotation – taking 23 hours 56 minutes and 4 seconds – by travelling at exactly the same rate as Earth. This makes satellites in GEO appear to be ‘stationary’ over a fixed position.
Can a satellite stay still?
In celestial mechanics, the term stationary orbit refers to an orbit around a planet or moon where the orbiting satellite or spacecraft remains orbiting over the same spot on the surface. From the ground, the satellite would appear to be standing still, hovering above the surface in the same spot, day after day.
What is the height of the satellite above the surface of Earth?
Geostationary orbit A satellite in such an orbit is at an altitude of approximately 35,786 km (22,236 mi) above mean sea level. It maintains the same position relative to the Earth’s surface.
Are there any satellites in high Earth orbit?
Finally, many high Earth orbiting satellites monitor solar activity. The GOES satellites carry a large contingent of “space weather” instruments that take images of the Sun and track magnetic and radiation levels in space around them. Other orbital “sweet spots,” just beyond high Earth orbit, are the Lagrange points.
What is the advantage of geostationary orbit for satellites?
The geostationary orbit is used by many applications including direct broadcast as well as communications or relay systems. The geostationary orbit has the advantage that the satellite remains in the same position throughout the day, and antennas can be directed towards the satellite and remain on track.
Why are satellites in geostationary orbit above the equator?
Satellites in geostationary orbit rotate with the Earth directly above the equator, continuously staying above the same spot. This position allows satellites to observe weather and other phenomena that vary on short timescales.
Which is the best description of a medium Earth orbit?
Two medium Earth orbits are notable: the semi-synchronous orbit and the Molniya orbit. The semi-synchronous orbit is a near-circular orbit (low eccentricity) 26,560 kilometers from the center of the Earth (about 20,200 kilometers above the surface).
How long does it take for a satellite to complete its orbit?
Many of the satellites in NASA’s Earth Observing System have a nearly polar orbit. In this highly inclined orbit, the satellite moves around the Earth from pole to pole, taking about 99 minutes to complete an orbit. During one half of the orbit, the satellite views the daytime side of the Earth.
Where are the satellites located in relation to the Sun?
The first Lagrange point is located between the Earth and the Sun, giving satellites at this point a constant view of the Sun. The Solar and Heliospheric Observatory (SOHO), a NASA and European Space Agency satellite tasked to monitor the Sun, orbits the first Lagrange point, about 1.5 million kilometers away from Earth.