SOVIET SPACE PROGRAM
Proton | Kvant
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Mar 31, 1987 at 00:06 UTC
▸ Flight profile›
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PAD200/39 (200L)
SITEBaikonur Cosmodrome, Republic of Kazakhstan →ORBITLow Earth Orbit
TYPEHuman Exploration
PROGRAMMir
MISSION OVERVIEW
Kvant module for the Mir space station
LAUNCH DETAILS
VEHICLE
ProtonAGENCY
Soviet Space ProgramMISSION
Kvant
MISSION TYPE
Human Exploration
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
200/39 (200L)LAUNCH SITE
Baikonur Cosmodrome, Republic of KazakhstanPROGRAM
Mir
COUNTRY
RUS
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 03e60c03-76aa-4ed3-afdd-3e484162c423
Reported date: Mar 31, 1987 at 00:06 UTC
Last synced: 5 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Proton →
MANUFACTURER
Khrunichev State Research and Production Space Center
VARIANT
K
FLIGHTS
29
SUCCESSES
26
SUCCESS RATE
89.7%
FREQUENTLY ASKED QUESTIONS
When is the Proton | Kvant launch?
The Proton | Kvant is scheduled for Tuesday, March 31, 1987 at 12:06 AM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Kvant?
The Proton | Kvant mission uses the Proton rocket, manufactured by Khrunichev State Research and Production Space Center. The Proton has flown 29 times with a 89.7% success rate.
Where is the Proton | Kvant launching from?
The launch takes place from 200/39 (200L) at Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit is Kvant going to?
The Kvant mission is targeting Low Earth Orbit.
Who is launching Kvant?
The Proton | Kvant is operated by Soviet Space Program. It is part of the Mir program.
Can I watch the Proton | Kvant launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
LAUNCH TIMELINE
Mar 29, 2026 05:33 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 05:33 UTC
Launch date set: Mar 31, 1987 at 00:06 UTC
NET (No Earlier Than) confirmed by Soviet Space Program
Mar 29, 2026 05:33 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 5 minutes ago
●Launch Library 25 minutes ago
Launch ID: 03e60c03-76aa-4ed3-afdd-3e484162c423
●Open-Meteo Weather5 days ago
Pad weather at 46.04, 63.03
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Mission Profile
Kvant was a Proton K mission operated by Soviet Space Program that lifted off from 200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan on March 31, 1987. The flight carried its payload on a human exploration mission to Low Earth Orbit. It was flown as part of the Mir program. The launch was a success.