What is sub satellite track?

ω θ Page 6 Figure 1.3: The sub-satellite track defines an imaginary line on the Earth’s surface such as would be traced out by a straight line drawn from the Earth’s centre C to the instantaneous position of the satellite.

What is the best free satellite tracker?

ISS Detector for Android and iOS by RunaR is another highly recommended satellite app. The free version tracks the ISS and Iridium flares, and provides an option to purchase a suite for tracking additional satellites, planets and comets.

What are the six Keplerian elements?

In implementation, then, the 6 elements are:

• a = Semi-major axis = size.
• e = Eccentricity = shape.
• i = inclination = tilt.
• ω = argument of perigee = twist.
• Ω = longitude of the ascending node = pin.
• v = mean anomaly = angle now.

Is there a program to track a satellite?

Once chosen, after a few seconds the program will begin the track the satellite. Important Make sure that the computer clock is correct and the time zone is compatible with your Region. On the Internet there are dozens of programs that keep your computer always on time.

Where is the sub point of a satellite?

The point on the Earth’s surface directly below the satellite is not on a line joining the satellite and the center of the Earth. Instead, it is that point on the Earth’s surface where the satellite would appear at the zenith. Figure 4. Calculating Satellite Sub-Point—Oblate Earth

How does STL tracker work for satellite tracking?

Radar projection, a view from the observer’s perspective with the center of the view directly overhead and the outermost full circle being the horizon. Textual view, a table giving various satellite orbital properties. STL Tracker Online provides satellite tracking capabilities from within your browser.

How to track satellite passes and flares online?

Thank you for using Visual SAT-Flare Tracker Online. In this page you can track satellites in real time, predict passes and flares. (the 3D desktop version is still available for download) This page is interactive so you can change the time by means of the following keys: