Q: Why did Soyuz T-15 fly to two stations?

A: After delivering Mir’s first resident crew, the Soviets wanted to salvage valuable hardware from the derelict Salyut 7. Soyuz T-15 was the only craft fitted for the risky 2 000 km orbital plane change, so it flew to Salyut 7, stripped equipment, then returned to Mir.

Q: How long did the crew stay on each station?

A: 51 days on Mir (15 Mar–5 May), 50 days on Salyut 7 (6 May–25 Jun), and 20 final days on Mir (26 Jun–16 Jul).

Q: Was the mission successful?

A: Yes. All dockings, spacewalks, and equipment transfers were completed, proving dual-station operations and setting endurance records for the Soyuz-T variant.

Soyuz T-15

first and only crewed spaceflight to travel between two space stations in one mission

Vehicle soyuz_t Q841796

Facts

31 properties

Instance of: Soyuz-T, human spaceflight^[3]
Country: Soviet Union^[2]
Follows: Soyuz T-14^[5]
Followed by: Soyuz TM-2^[6]
Launch date: 1986-03-13
Part of: Soyuz programme^[8]
Duration: 10,800,056 second
Apoapsis: 366 km
Backup or reserve team or crew: Aleksandr Viktorenko, Aleksandr Pavlovich Aleksandrov
Call sign: Mayak
Crew member: Leonid Kizim, Vladimir Solovyov
Crew members: Leonid Kizim, Vladimir Solovyov^[16]^[17]
Landing date: 1986-07-16
Launch vehicle: Soyuz-U2
Location of landing: Kazakhstan^[18]
Manufacturer: S.P. Korolev Rocket and Space Corporation Energia^[7]
Mass: 6,850 kg
Operator: Soviet space program^[4]
Orbital inclination: 51.6 degree
Orbital period: 91.5 minute
Orbits completed: 1,980^[19]
Periapsis: 331 km
Satellite of: low Earth orbit
Significant event: docking and berthing of spacecraft (1986–1986), docking and berthing of spacecraft (1986–1986), docking and berthing of spacecraft (1986–1986), rocket launch, landing^[14]^[15]

Show all 31 facts +7

Space launch vehicle: Soyuz-U2^[9]
Start point: Baikonur Cosmodrome^[20]
Time of object orbit decay: 1981^[13]
Type of orbit: low Earth orbit^[10]
UTC date of spacecraft landing: July 16, 1986^[12]
UTC date of spacecraft launch: March 13, 1986^[11]
Vessel: Soyuz-T

🏷️ Also known as

en Soyuz T-15 cs Sojuz T-15 de Mir EO-1 de Saljut 7 EO-5 de Sojus T-15 es Soyuz T 15 fa سایوز تی۱۵ fr Soyouz T-15 he סויוז T-15 hu Szojuz T–15 it Soyuz T-15 ja ソユーズT-15 ko 소유스 T-15 nl Sojoez T-15 ru Союз Т-15 zh 和平号EO-1 zh 礼炮7号EO-5 zh 联盟T-15 zh 聯盟T-15 zh-hans 和平号EO-1

🔖 Identifiers · 6

Image (Wikimedia Commons): Soyuz-T drawing.png ↗
BabelNet ID: 03732298n
COSPAR ID: 1986-022A
Freebase ID: /m/03g_qd
SCN: 16643
Wolfram Language entity code: Entity["Satellite", "16643"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Significant event 5

landing, docking and berthing of spacecraft, docking and berthing of spacecraft, docking and berthing of spacecraft, rocket launch

Backup or reserve team or crew 2

Aleksandr Pavlovich Aleksandrov, Aleksandr Viktorenko

Crew members 2

Leonid Kizim, Vladimir Solovyov

Instance of 2

human spaceflight, Soyuz-T

← Astronaut mission 2

Leonid Kizim, Vladimir Solovyov

Belongs to 1

Soyuz programme

Country 1

Soviet Union

Followed by 1

Soyuz TM-2

Followed by (predecessor) 1

Soyuz TM-2

Follows 1

Soyuz T-14

Location of landing 1

Kazakhstan

Manufacturer 1

S.P. Korolev Rocket and Space Corporation Energia

Operator 1

Soviet space program

Part of 1

Soyuz programme

Preceded by (successor) 1

Soyuz T-14

Space launch vehicle 1

Soyuz-U2

Start point 1

Baikonur Cosmodrome

Type of orbit 1

low Earth orbit

Vessel 1

Soyuz-T

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Summary

Soyuz T-15 is a Soyuz-T^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Soyuz T-15 — country (P17): Soviet Union. wikidata.org.
[3] ↑ Soyuz T-15 — instance of (P31): human spaceflight. wikidata.org.
[4] ↑ Soyuz T-15 — operator (P137): Soviet space program. wikidata.org.
[5] ↑ Soyuz T-15 — follows (P155): Soyuz T-14. wikidata.org.
[6] ↑ Soyuz T-15 — followed by (P156): Soyuz TM-2. wikidata.org.
[7] ↑ Soyuz T-15 — manufacturer (P176): S.P. Korolev Rocket and Space Corporation Energia. wikidata.org.
[8] ↑ Soyuz T-15 — part of (P361): Soyuz programme. wikidata.org.
[9] ↑ Soyuz T-15 — space launch vehicle (P375): Soyuz-U2. Jonathan's Space Report. wikidata.org.
[10] ↑ Soyuz T-15 — type of orbit (P522): low Earth orbit. wikidata.org.
[11] ↑ Soyuz T-15 — UTC date of spacecraft launch (P619): March 13, 1986. Jonathan's Space Report. wikidata.org.
[12] ↑ Soyuz T-15 — UTC date of spacecraft landing (P620): July 16, 1986. wikidata.org.
[13] ↑ Soyuz T-15 — time of object orbit decay (P621): 1981. wikidata.org.
[14] ↑ Soyuz T-15 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[15] ↑ Soyuz T-15 — significant event (P793): landing. wikidata.org.
[16] ↑ Soyuz T-15 — crew members (P1029): Leonid Kizim. wikidata.org.
[17] ↑ Soyuz T-15 — crew members (P1029): Vladimir Solovyov. wikidata.org.
[18] ↑ Soyuz T-15 — location of landing (P1158): Kazakhstan. wikidata.org.
[19] ↑ Soyuz T-15 — orbits completed (P1418): {'amount': '+1980'}. wikidata.org.
[20] ↑ Soyuz T-15 — start point (P1427): Baikonur Cosmodrome. Jonathan's Space Report. wikidata.org.

Class ancestry

[1] ↑ Soyuz T-15 is an instance of Soyuz-T (Q2637056) [P31, primary]. Wikidata. wikidata.org.

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