Kosmos 398

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Kosmos 398
Soviet lunar lander drawing.svg
LK Lander
COSPAR ID 1971-016A
Spacecraft properties
Spacecraft type T2K
Launch mass 7,255 kilograms (15,995 lb)
Start of mission
Launch date 26 February 1971, 12:14:00 (1971-02-26UTC12:14Z) UTC
Rocket Soyuz-L
Launch site Baikonur 31/6
End of mission
Decay date 10 December 1995
Orbital parameters
Reference system Geocentric
Regime Low Earth
Eccentricity 0.006043
Perigee 196 kilometres (122 mi)
Apogee 276 kilometres (171 mi)
Inclination 51.63 degrees
Period 88.9 m

Kosmos 398 (Russian: Космос 398; meaning Cosmos 398) was the second unmanned test flight of the Soviet LK lander, using the T2K version. It followed the same program as Kosmos 379, launching on February 26, 1971 into a 276 km by 196 km orbit.

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