Kosmos 398

Kosmos 398
Orbital elements

Operator	Soviet Union
Satellite of	Earth
Launch date	1971-02-26 at 12:14:00 UTC
Launch vehicle	Soyuz 11A511L.
COSPAR ID	1971-016A
Homepage	NASA NSSDC Master Catalog
Mass	7255 kg
Eccentricity	.006043
Inclination	51.63°
Apoapsis	276 km
Periapsis	196 km
Orbital 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.

Mission parameters

Spacecraft: LK lander
Mass: 7255 kg
Crew: None
Launched: February 26, 1971

References

Mir Hardware Heritage (Wikisource)

Soviet Moon-landing (N1-L3) and Moon-flyby (UR500K-L1) manned space programs

Soyuz docking tests	Soyuz 1 · Soyuz 2 · Soyuz 3 · Soyuz 4 · Soyuz 5 · Soyuz 6 · Soyuz 7 · Soyuz 8

Zond (Soyuz 7K-L1) lunar flyby missions	Kosmos 146 · Kosmos 154 · Zond 1967A · Zond 1967B · Zond 4 · Zond 1968A · Zond 1968B · Zond 5 · Zond 6 · Zond 1969A · Zond L1S-1 · Zond L1S-2 · Zond 7 · Zond 8 · Zond 9 · Zond 10

LK Lander (T2K) test missions	Kosmos 379 · Kosmos 398 · Kosmos 434

Hardware	N1 rocket · Proton rocket · Zond (Soyuz 7K-L1) · LOK (Soyuz 7K-L3) / LK Lander · Block D

Soyuz programme

Soyuz 7K-OK (1967–1971)	1 3 4 5 6 7 8 9

Soyuz 7K-OKS (1971)	10 11

Soyuz 7K-T (1973–1981)	12 13 14 15 17 18a 18 21 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

Soyuz 7K-TM (1974–1976)	16 19 22

Soyuz-T (1976–1986)	T-2 T-3 T-4 T-5 T-6 T-7 T-8 T-9 T-10-1 T-10 T-11 T-12 T-13 T-14 T-15

Soyuz-TM (1986–2003)	TM-2 TM-3 TM-4 TM-5 TM-6 TM-7 TM-8 TM-9 TM-10 TM-11 TM-12 TM-13 TM-14 TM-15 TM-16 TM-17 TM-18 TM-19 TM-20 TM-21 TM-22 TM-23 TM-24 TM-25 TM-26 TM-27 TM-28 TM-29 TM-30 TM-31 TM-32 TM-33 TM-34

Soyuz-TMA (2003–2012)	TMA-1 TMA-2 TMA-3 TMA-4 TMA-5 TMA-6 TMA-7 TMA-8 TMA-9 TMA-10 TMA-11 TMA-12 TMA-13 TMA-14 TMA-15 TMA-16 TMA-17 TMA-18 TMA-19 TMA-20 TMA-21

Soyuz-TMA-M (2010–)	TMA-01M TMA-02M

Current	TMA-22 TMA-03M

Planned	TMA-04M TMA-05M TMA-06M TMA-07M TMA-08M TMA-09M TMA-10M TMA-11M TMA-12M TMA-13M

Unmanned	Kosmos 133 Kosmos 140 Kosmos 186 Kosmos 188 Kosmos 212 Kosmos 213 Kosmos 238 Soyuz 2 Kosmos 379 Kosmos 396 Kosmos 398 Kosmos 434 Kosmos 496 Kosmos 573 Kosmos 613 Kosmos 638 Kosmos 656 Kosmos 670 Kosmos 672 Kosmos 772 Soyuz 20 Kosmos 869 Kosmos 1001 Kosmos 1074 Soyuz T-1 Soyuz TM-1