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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.

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News Headlines

  • Next crew bound for the space station arrive in Florida
    September 26, 2026
  • SpaceX Falcon 9 launches classified mission for U.S. Space Force from West Coast
    September 25, 2026
  • NASA announces new space telescope ‘PRIMA’ to launch in 2033
    September 24, 2026
  • SpaceX stack Starship and Super Heavy for first orbital flight
    September 23, 2026
  • SpaceX’s Super Heavy booster arrives at pad ahead of first orbital Starship launch
    September 21, 2026
  • Russian Progress cargo ship arrives at International Space Station
    September 19, 2026
  • SpaceX launches 27 Starlink V2 Mini satellites on Falcon 9 rocket from Vandenberg
    September 19, 2026
  • SpaceX launches national security payload for U.S. Space Force from Vandenberg
    September 15, 2026
  • Avio launches pair of climate monitoring European spacecraft to study plants, oceans and atmospheric changes
    September 15, 2026
  • SpaceX launches 700th Falcon rocket, carries final 3 O3b mPOWER satellites to orbit for SES
    September 13, 2026
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