Kounotori 6 (HTV-6)
This is the sixth flight of an uncrewed cargo spacecraft to International Space Station. It will bring the replacement for the batteries used on the Station to store electricity generated by solar panels, as well as 600 liters of potable water.
H-IIB (H2B) is an expendable launch system used to launch H-II Transfer Vehicles (HTV, or Kounotori) towards the International Space Station. H-IIB rockets are liquid-fuelled with solid-fuel strap-on boosters and are launched from the Tanegashima Space Center in Japan. Mitsubishi and JAXA have been primarily responsible for design, manufacture, and operation of H-IIB.
Service provider
Commercial • JPN
Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics company headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group.
MHI's products include aerospace components, air conditioners, aircraft, automotive components, forklift trucks, hydraulic equipment, machine tools, missiles, power generation equipment, printing machines, ships and space launch vehicles. Through its defense-related activities, it is the world's 23rd-largest defense contractor measured by 2011 defense revenues and the largest based in Japan.
Objects from this launch
1 object
SATCAT inventory for 2016-076
Last checked: 2026-03-11T00:11:00.529+00:00
Last success: 2026-03-11T00:11:00.529+00:00
Last non-empty: 2026-03-11T00:11:00.529+00:00
Latest snapshot: 2026-03-11T00:11:00.529+00:00
Snapshot hash: 5ef61f5d4b13f2f1e92ff4aa62c3c4b130899c71bd95de7a96b951543d1e0731
LL2 payloads: 0SATCAT payloads: 1Delta: +1RB: 0DEB: 0UNK: 0
Open SATCAT inventory
Orbit enrichment loads on demand when this section opens.
SATCAT payload objects
HTV-6 (KOUNOTORI 6)
2016-076ANORAD 41881PAYJapan (JPN)Ops: D Technical details
Orbit type: IMPOrbit center: EALaunch site: TANSCPeriod: 91.84 minRCS: 17.568 m²
Inc: 51.6°
359 km → 371 km