MISSION OVERVIEW
Japanses ionospheric research satellite
LAUNCH DETAILS
VEHICLE
Mu-4SMISSION
Denpa
MISSION TYPE
Earth Science
TARGET ORBIT
Elliptical Orbit
LAUNCH PAD
Mu CenterLAUNCH SITE
Uchinoura Space Center, JapanCOUNTRY
JPN
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 0cb62f10-3cbe-404f-a609-7261a1271f8c
Reported date: Aug 19, 1972 at 02:40 UTC
Last synced: 13 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE — Mu-4S →
MANUFACTURER
Institute of Space and Astronautical Science
VARIANT
S
FLIGHTS
4
SUCCESSES
3
SUCCESS RATE
75%
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-4S | Denpa launch?
The Mu-4S | Denpa is scheduled for Saturday, August 19, 1972 at 2:40 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 Denpa?
The Mu-4S | Denpa mission uses the Mu-4S rocket, manufactured by Institute of Space and Astronautical Science. The Mu-4S has flown 4 times with a 75% success rate.
Where is the Mu-4S | Denpa launching from?
The launch takes place from Mu Center at Uchinoura Space Center, Japan.
What orbit is Denpa going to?
The Denpa mission is targeting Elliptical Orbit.
Who is launching Denpa?
The Mu-4S | Denpa is operated by Institute of Space and Astronautical Science.
Can I watch the Mu-4S | Denpa 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 28, 2026 21:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 21:44 UTC
Launch date set: Aug 19, 1972 at 02:40 UTC
NET (No Earlier Than) confirmed by Institute of Space and Astronautical Science
Mar 28, 2026 21:44 UTC
Launch completed successfully
Updated via Launch Library 2
LIVE DATA SOURCES
Last data sync: 13 hours ago
●Launch Library 213 hours ago
Launch ID: 0cb62f10-3cbe-404f-a609-7261a1271f8c
●Open-Meteo Weather15 hours ago
Pad weather at 31.25, 131.08
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Mission Profile
Denpa was a Mu-4S mission operated by Institute of Space and Astronautical Science that lifted off from Mu Center, Uchinoura Space Center, Japan on August 19, 1972. The flight carried its payload on a earth science mission to Elliptical Orbit. The launch was a success.