Issue 15

Russia Launches 5th Lotus-S1 ELINT Satellite

Russia launched its fifth Lotus-S1 ELINT satellite from Plesetsk on 2 February 2021, placing Kosmos-2549 into an approximately 900 km orbit.

2 Feb: Russia launches its 5th Lotus-S1 electronic intelligence (ELINT) satellite from Plesetsk on a Soyuz 2-1b.

– Russian military confirmed separation of the Kosmos-2549 satellite & good communications w/ ground control.

– Kosmos-2549 first entered a 200 by 900-km elliptical orbit, but circularized its orbit at around 900 km with an inclination of 67.1°.

– Lotos-S is capable of intercepting radio signals helping to locate, identify, and target various military vehicles and installations.

Special terminals installed on Russian war ships were reported to be capable of downlinking real-time data directly from the Liana network for the purpose of weapon guidance.

– Unofficial sources indicate that, despite their high cost, the initial Lotos satellites in the series reportedly provided no advantages over Tselina-2, the last of which launched in 2007.

Lotus-S and PION make up the 2 satellites in Russia’s Liana ISR constellation. The two original Lotus satellites do not appear to be maintaining their orbits, and a Russian industry source said that only Lotos-S1 No. 804 (launched in 2018) satellite was operational when Kosmos-2549 launched. PION-NKS has yet to launch.

Russia Launches 5th Lotus-S1 ELINT Satellite.