SESK: Stuff Everyone Should Know · sesk.info/ham-keplerian-elements
What information do you enter into a satellite tracking program?
The Keplerian elements that describe the orbit.
- The satellite's transmitted power
- The Keplerian elements ✔
- The last time of zero Doppler shift
Why: Keplerian elements are a set of numbers describing a satellite's orbit. The program uses them to predict where the satellite will be.
Huh, didn't know that: Transmitted power and the last zero-Doppler time are not the required orbital inputs.
I gave my tracking program some Keplerian elements. It said thanks, now I know where everyone's going.
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References
Answer: The Keplerian elements. Keplerian elements are a set of numbers describing a satellite's orbit. The program uses them to predict where the satellite will be.
- NCVEC 2026-2030 Technician Question Pool (Feb 19, 2026 errata) ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf
T8B06 (B) Which of the following are inputs to a satellite tracking program? B. The Keplerian elements
Checked 2026-10-09.
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