August 16, 2025
Spaceflight Now
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop
Breaking News
  • [ August 14, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral Falcon 9
  • [ August 13, 2025 ] ULA launches Vulcan rocket on first Space Force mission Mission Reports
  • [ August 12, 2025 ] Launch preview: ULA to launch first national security mission on a Vulcan rocket Mission Reports
  • [ August 10, 2025 ] SpaceX launches Amazon’s Project Kuiper satellites on fifth scheduled attempt Falcon 9
  • [ August 9, 2025 ] Crew 10 returns to Earth with Pacific Ocean splashdown Mission Reports

Mitsubishi Electric

H-2A

Japanese H-2A rocket launch rescheduled for Saturday

August 16, 2017 Stephen Clark

A heavy-duty version of Japan’s H-2A rocket is now scheduled to lift off Saturday with a geostationary navigation satellite after a week-long delay to diagnose and resolve a leak in the rocket’s propulsion system, the Japanese space agency announced Wednesday.

H-2A

H-2A rocket grounded by problem in propulsion system

August 12, 2017 Stephen Clark

A Japanese launch crew filled an H-2A rocket with cryogenic liquid hydrogen and liquid oxygen propellants in time for a planned liftoff Saturday with a geostationary navigation satellite, but a problem inside the launcher’s propulsion system prompted officials to postpone the mission.

H-2A

Live coverage: H-2A rocket blasts off with navigation satellite

August 11, 2017 Stephen Clark

Japan’s third navigation satellite rode an H-2A rocket into orbit Saturday from the Tanegashima Space Center in southern Japan, one week after officials aborted a countdown to resolve a helium leak in the vehicle’s first stage. Liftoff occurred at 0529 GMT (1:29 a.m. EDT) Saturday.

H-2A

Poor weather forecast delays launch of Japanese navigation satellite

August 9, 2017 Stephen Clark

The Japanese space agency said Wednesday the launch of an H-2A rocket with the country’s third navigation satellite was preemptively delayed at least 24 hours to Saturday to avoid thunderstorms with lightning in the forecast later this week.

H-2A

Japanese navigation craft successfully delivered to orbit

June 1, 2017 Stephen Clark

Japan deployed the first of three navigation satellites it intends to launch in the next year Thursday, sending a 4.4-ton spacecraft on the way to an high-altitude orbital perch on top of an H-2A rocket to improve positioning data for drivers, hikers and government agencies in East Asia.

H-2A

Watch a replay of the launch of a Japanese navigation satellite

June 1, 2017 Spaceflight Now

A Japanese H-2A rocket, carrying the Michibiki 2 navigation satellite, lifted off from the Tanegashima Space Center at 0017:46 GMT Thursday (8:17:46 p.m. EDT Wednesday).

H-2A

Photos: Japan’s H-2A rocket prepared for launch with Michibiki 2

May 31, 2017 Stephen Clark

The second satellite in Japan’s regional space-based navigation constellation is set for launch Thursday aboard an H-2A rocket, and these photos show the hydrogen-fueled launcher’s preparations for liftoff, from stacking inside an assembly hangar at the Tanegashima Space Center through rollout to the launch pad.

H-2A

Live coverage: H-2A rocket lifts off from Japan with navigation satellite

May 31, 2017 Stephen Clark

A Japanese H-2A rocket lifted off from the Tanegashima Space Center at 0017:46 GMT Thursday (8:17:46 p.m. EDT Wednesday) with the Michibiki 2 navigation satellite designed to improve positioning and timing services over Japan.

H-2A

Japanese rocket scheduled for launch with navigation satellite

May 30, 2017 Stephen Clark

A Japanese H-2A rocket is set for launch Thursday with the country’s second navigation satellite, growing a network of beacons in the sky to give emergency responders, security forces and the public more accurate positioning and timing signals in Japan and neighboring regions.

Posts pagination

« 1 2 3

News Headlines

  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Cape Canaveral
    August 14, 2025
  • ULA launches Vulcan rocket on first Space Force mission
    August 13, 2025
  • Launch preview: ULA to launch first national security mission on a Vulcan rocket
    August 12, 2025
  • SpaceX launches Amazon’s Project Kuiper satellites on fifth scheduled attempt
    August 10, 2025
  • Crew 10 returns to Earth with Pacific Ocean splashdown
    August 9, 2025
  • Jim Lovell, Apollo 8 & 13 astronaut, dies at 97
    August 8, 2025
  • SpaceX launches first Falcon 9 rocket from West Coast in two weeks
    August 8, 2025
  • ULA’s Tory Bruno lays out plans for ramping up launch cadence
    August 7, 2025
  • Poor weather scrubs SpaceX’s second launch attempt to launch 24 Amazon Project Kuiper satellites from CAPE CANAVERAL
    August 6, 2025
  • Starlink mission marks SpaceX’s 450th flight-proven Falcon booster launched
    August 3, 2025
  • Home
  • News Archive
  • Launch Schedule
  • Mission Reports
    • Antares Launcher
    • Ariane 5
    • Atlas 5
    • Delta 4
    • Falcon 9
    • Falcon Heavy
    • H-2A
    • Soyuz
    • Space Station
  • Members
    • Sign in
    • Become a member
    • Members Content
  • Live
  • Shop

© 1999-2025 Spaceflight Now Inc