Soyuz TM-5

Soyuz TM-5 was the fifth cosmonaut-carrying spacecraft to visit the Russian Space Station Mir. It was launched on June 7, 1988, carrying the Mir EP-2 mission's three-person crew. This week-long stay on Mir occurred during the third long-duration Mir expedition, Mir EO-3. The crew of EP-2 returned to Earth aboard Soyuz TM-4, while the TM-5 spacecraft remained docked to Mir, acting as the lifeboat for the long-duration crew. On September 7, 1988, the TM-5 spacecraft undocked from Mir, and landed Mir EP-3 mission's two-person visiting crew. The de-orbit procedures for Soyuz were revised after this flight, as multiple issues almost prevented the descent module's safe de-orbit and landing.

Soyuz TM-5
Spacecraft properties

COSPAR ID	1988-048A
SATCAT no.	19204
Mission duration	91 days, 10 hours, 46 minutes, 25 seconds[1]
Orbits completed	~1,475


Spacecraft type	Soyuz-TM
Manufacturer	NPO Energia
Launch mass	7,000 kilograms (15,000 lb)


Crew
Crew size	3 up 2 down
Launching	Anatoly Solovyev Viktor Savinykh Aleksandr Aleksandrov
Landing	Vladimir Lyakhov Abdul Ahad Mohmand
Callsign	Родни́к (Rodnik- Spring)


Start of mission
Launch date	June 7, 1988, 14:03:13 (1988-06-07UTC14:03:13Z) UTC[1]
Rocket	Soyuz-U2
Launch site	Baikonur 1/5


End of mission
Landing date	September 7, 1988, 00:49:38 (1988-09-07UTC00:49:39Z) UTC
Landing site	202 kilometres (126 mi) SE of Dzhezkazgan


Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	173 kilometres (107 mi)
Apogee altitude	241 kilometres (150 mi)
Inclination	~51.6 degrees
Period	88.6 minutes


Docking with Mir

Soyuz programme (Crewed missions)

Crew


Position	Launching crew	Landing crew
Commander	Anatoly Solovyev Mir EP-2 First spaceflight	Vladimir Lyakhov Mir EP-3 Third and last spaceflight
Flight Engineer	Viktor Savinykh Mir EP-2 Third and last spaceflight	None
Research Cosmonaut	Aleksandr Aleksandrov Mir EP-2 Only spaceflight	Abdul Ahad Mohmand Mir EP-3 Only spaceflight
Aleksandrov was the first Bulgarian cosmonaut to visit a space station. Mohmand was the first Afghan cosmonaut.

Launch

Soyuz TM-5 launched on 1988 June 7 and arrived at Mir on June 9 carrying the second Bulgarian in space, Alexandrov (not to be confused with the Soviet cosmonaut of the same name). He became the first Bulgarian to reach a Soviet space station (Georgi Ivanov failed to reach Salyut 6 on Soyuz 33 in 1979—Alexandrov was his backup). Their launch had been advanced by 2 weeks late in the planning stages to improve lighting conditions for the Rozhen astronomical experiment.

Landing

On September 5 cosmonauts Lyakhov and Mohmand undocked from Mir. They jettisoned the orbital module and made ready for deorbit burn to return to Earth. During descent, the spacecraft experienced a computer software problem combined with a sensor problem.[2] This caused their landing to be delayed by a full day. The Descent Module, where they spent this 24-hour period, had no sanitary facilities. Consequently, they soiled themselves. [3] They would not have been able to redock with Mir because they had discarded the docking system along with the orbital module.[3] Reentry occurred as normal on September 7. Following this incident, the Soviets decided that on future missions, they would retain the orbital module until after deorbit burn, as they had done on the Soyuz Ferry flights.[3]

References

"Spacecraft "Soyuz TM-5"". space.kursknet. Archived from the original on 20 March 2011. Retrieved 26 November 2010.
David Michael Harland (February 2005). The story of Space Station Mir. Springer-Verlag. pp. 173. ISBN 0-387-23011-4.
D.S.F. Portree. "Mir Hardware Heritage" (PDF). NASA. Archived from the original (PDF) on 7 September 2009. Retrieved 26 November 2010.

Soyuz programme

Main topics

Past missions
(by spacecraft type)

Soyuz 7K-OK (1966–1970)	Kosmos 133† Soyuz 7K-OK No.1† (uncrewed) Kosmos 140 Soyuz 1† Kosmos 186 188 212 213 238 Soyuz 2 (uncrewed) 3 4 5 6 7 8 9
Soyuz 7K-L1 (1967–1970) (Zond lunar programme)	Kosmos 146 154† Zond 1967A† 1967B† Zond 4 1968A† 1968B† 5 6 1969A† Zond-M 1† M 2† Zond 7 8 9 10
Soyuz 7K-L1E (1969–1970)	Soyuz 7K-L1E No.1† Kosmos 382
Soyuz 7K-LOK (1971–1972)	Soyuz 7K-LOK No.1† No.2†
Soyuz 7K-OKS (1971)	Soyuz 10† 11†
Soyuz 7K-T (1972–1981)	Kosmos 496 573 Soyuz 12 Kosmos 613 Soyuz 13 Kosmos 656 Soyuz 14 15† 17 18a† 18 20 (uncrewed) 21 23† 24 25† 26 27 28 29 30 31 32 (uncrewed landing) 33† 34 (uncrewed launch) 35 36 37 38 39 40
Soyuz 7K-TM (1974–1976)	Kosmos 638 672 Soyuz 16 19 (Apollo-Soyuz) 22
Soyuz 7K-S (1974–1976)	Kosmos 670 772† 869†
Soyuz-T (1978–1986)	Kosmos 1001† 1074 Soyuz T-1 (uncrewed) T-2 T-3 T-4 T-5 T-6 T-7 T-8† T-9 T-10a† T-10 T-11 T-12 T-13 T-14 T-15
Soyuz-TM (1986–2002)	Soyuz TM-1 (uncrewed) 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 (2002–2012)	Soyuz 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 TMA-22
Soyuz-TMA-M (2010–2016)	Soyuz TMA-01M TMA-02M TMA-03M TMA-04M TMA-05M TMA-06M TMA-07M TMA-08M TMA-09M TMA-10M TMA-11M TMA-12M TMA-13M TMA-14M TMA-15M TMA-16M TMA-17M TMA-18M TMA-19M TMA-20M
Soyuz MS (2016–present)	Soyuz MS-01 MS-02 MS-03 MS-04 MS-05 MS-06 MS-07 MS-08 MS-09 MS-10† MS-11 MS-12 MS-13 MS-14 (uncrewed test flight) MS-15 MS-16

Current missions

Soyuz MS-17

Future missions

2021
- MS-18
- MS-19
- MS-20

Uncrewed missions are designated as Kosmos instead of Soyuz; exceptions are noted "(uncrewed)".
The † sign designates failed missions. Italics designates cancelled missions.

Interkosmos programme
Satellites	Interkosmos 1 Interkosmos 2 Interkosmos 3 Interkosmos 4 Interkosmos 5 Interkosmos 6 Interkosmos 7 Interkosmos 8 Interkosmos 9 Interkosmos 10 Interkosmos 11 Interkosmos 12 Interkosmos 13 Interkosmos 14 Interkosmos 15 Interkosmos 16 Interkosmos 17 Interkosmos 18 Interkosmos 19 Interkosmos 20 Interkosmos 21 Interkosmos 22 Interkosmos 23 Interkosmos 24 Interkosmos 25 Interkosmos 26
Manned flights	Soyuz 28 Soyuz 30 Soyuz 31 Soyuz 33 Soyuz 36 Soyuz 37 Soyuz 38 Soyuz 39 Soyuz 40 Soyuz T-6 Soyuz T-11 Soyuz TM-3 Soyuz TM-5 Soyuz TM-6 Soyuz TM-7

Human spaceflights to Mir
1986–1990	Soyuz T-15 Soyuz TM-2 Soyuz TM-3 Soyuz TM-4 Soyuz TM-5 Soyuz TM-6 Soyuz TM-7 Soyuz TM-8 Soyuz TM-9 Soyuz TM-10 Soyuz TM-11
1991–1995	Soyuz TM-12 Soyuz TM-13 Soyuz TM-14 Soyuz TM-15 Soyuz TM-16 Soyuz TM-17 Soyuz TM-18 Soyuz TM-19 Soyuz TM-20 STS-63 Soyuz TM-21 STS-71 Soyuz TM-22 STS-74
1996–2000	Soyuz TM-23 STS-76 Soyuz TM-24 STS-79 STS-81 Soyuz TM-25 STS-84 Soyuz TM-26 STS-86 STS-89 Soyuz TM-27 STS-91 Soyuz TM-28 Soyuz TM-29 Soyuz TM-30

← 1987 · Orbital launches in 1988 · 1989 →

Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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