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Questions tagged [molniya]

questions about the Molniya series of Soviet military communication satellites.

3
votes
1answer
701 views

Difference between Tundra and Molniya orbits?

This excellent answer nicely describes both Tundra orbits and Molniya orbits. They are both repeat groundtrack orbits with periods of rational fractions of a sidereal day, and both have inclinations ...
6
votes
1answer
291 views

Why should Molniya orbit period be a half-synodic, not a half-sidereal day?

In the Wikipedia article for Molniya orbit the introduction mentions that the period should be 0.5 sidereal day, so that its path across the sky every ~12 hours as observed from a given point on Earth ...
4
votes
2answers
354 views

What is the large structure in the background of this picture of Molniya 1?

This answer links to an Wikipedia article on the Molniya satellites, which shows the image below of Molniya 1, and what looks like a large structure behind it. The structure appears to be long and ...