Molniya orbit
Six additional Glonass-V satellites, using Tundra orbit in three orbital planes, will be launched in 2023–2025; this regional high-orbit segment will offer increased regional availability and 25% improvement in precision over Eastern Hemisphere, similar to Japanese QZSS system and Beidou-1. The new satellites will form two ground traces with inclination of 64.8°, eccentricity of 0.072, period of 23.9 hours, and ascending node longitude of 60° and 120°. Glonass-V vehicles are based on Glonass-K platform and will broadcast new CDMA signals only. Previously Molniya orbit, geosynchronous orbit, or inclined orbit were also under consideration for the regional segment.