MISSION OVERVIEW
Japanese astronomy satellite dedicated to X-ray surveying
LAUNCH DETAILS
VEHICLE
Mu-3SMISSION
Tenma
MISSION TYPE
Astrophysics
TARGET ORBIT
Low Earth Orbit
LAUNCH PAD
Mu CenterLAUNCH SITE
Uchinoura Space Center, JapanCOUNTRY
JPN
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 8d87a8c1-bb36-4a31-b368-d7465582f2a8
Reported date: Feb 20, 1983 at 05:10 UTC
Last synced: 35 seconds ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
Loading weather…
CAN YOU SEE THIS LAUNCH?
Select a location to check if this launch is visible from where you are
VEHICLE — Mu-3S →
MANUFACTURER
Institute of Space and Astronautical Science
VARIANT
S
FLIGHTS
4
SUCCESSES
4
SUCCESS RATE
100%
The Mu, also known as M, was a series of Japanese solid-fuelled carrier rockets, which were launched from Uchinoura between 1966 and 2006. Originally developed by Japan's Institute of Space and Astronautical Science, Mu rockets were later operated by Japan Aerospace Exploration Agency following ISAS becoming part of it.
FREQUENTLY ASKED QUESTIONS
When is the Mu-3S | Tenma launch?
The Mu-3S | Tenma is scheduled for Sunday, February 20, 1983 at 5:10 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 Tenma?
The Mu-3S | Tenma mission uses the Mu-3S rocket, manufactured by Institute of Space and Astronautical Science. The Mu-3S has flown 4 times with a 100% success rate.
Where is the Mu-3S | Tenma launching from?
The launch takes place from Mu Center at Uchinoura Space Center, Japan.
What orbit is Tenma going to?
The Tenma mission is targeting Low Earth Orbit.
Who is launching Tenma?
The Mu-3S | Tenma is operated by Institute of Space and Astronautical Science.
Can I watch the Mu-3S | Tenma 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 23:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 23:44 UTC
Launch date set: Feb 20, 1983 at 05:10 UTC
NET (No Earlier Than) confirmed by Institute of Space and Astronautical Science
Mar 29, 2026 23:44 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 35 seconds ago
●Launch Library 235 seconds ago
Launch ID: 8d87a8c1-bb36-4a31-b368-d7465582f2a8
●Spaceflight News API26 minutes ago
2 articles matched
●Open-Meteo Weather1 day ago
Pad weather at 31.25, 131.08
BROWSE BY
Mission Profile
Tenma was a Mu-3S mission operated by Institute of Space and Astronautical Science that lifted off from Mu Center, Uchinoura Space Center, Japan on February 20, 1983. The flight carried its payload on a astrophysics mission to Low Earth Orbit. The launch was a success.