Kosmos 1001

Kosmos 1001 (Russian: Космос 1001 meaning Cosmos 1001) was a redesigned Soviet Soyuz T spacecraft that was flown on an unmanned test in 1978. The spacecraft was the upgraded Soyuz for Salyut 6 and Salyut 7. This Kosmos flight, launched from Baikonur, was the first orbital flight of the Soyuz T design. Several maneuvers were tested,^[3] however it failed to achieve all of its objectives and resulted in an early deorbit and landing^[2]

Kosmos 1001

Soyuz T
Mission type	Orbital test flight
Operator	Soviet space program
COSPAR ID	1978-036A
SATCAT no.	10783
Mission duration	10 days, 21 hours and 2 minutes
Spacecraft properties
Spacecraft	Soyuz-T s/n 4L
Spacecraft type	Soyuz 7K-ST (11F732)[1]
Manufacturer	NPO Energia
Launch mass	6,680 kg (14,730 lb)
Start of mission
Launch date	4 April 1978, 15:00 (1978-04-04UTC15Z) GMT[2]
Rocket	Soyuz-U
Launch site	Baikonur 1/5
End of mission
Disposal	Deorbited
Landing date	15 April 1978, 12:02 (1978-04-15UTC12:03Z) GMT
Orbital parameters
Reference system	Geocentric[2]
Perigee altitude	199 km (124 mi)
Apogee altitude	228 km (142 mi)
Inclination	51.6°
Period	88.7 min
Soyuz programme ← Soyuz 28 Soyuz 29 → Kosmos (satellites) ← Kosmos 1000 Kosmos 1002 →

Mission parameters

• Spacecraft: Soyuz 7K-ST^[1]
• Mass: 6680 kg.
• Crew: None.
• Launched: April 4, 1978.
• Landed: April 15, 1978.