The company is developing a space-based power plant to harvest 24/7 solar energy from the Molniya orbit. In an interview with Interesting Engineering, former SpaceX rocket engineer and Virtus ...

The Arktika-M No.1 satellite, aboard a Soyuz-2-1b/Fregat rocket, lifted off from the Baikonur Cosmodrome at 12:55 local time (06:55 UTC) on Sunday bound for an elliptical Molniya orbit.

Soyuz lifted off from the Plesetsk Cosmodrome at about 10:31 Moscow Time (07:31 UTC), beginning a multi-hour mission to deliver the Tundra No.4 satellite into an elliptical Molniya orbit.

The interesting properties of orbits with critical inclination (Molniya orbit), sun-synchronous orbits, frozen orbits, and the long-term coupling between sun-moon attractions and Earth oblateness ...