Mitsubishi Heavy IndustriesH-IIB 304Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan
Kounotori 6 (HTV-6)
Launched
December 9, 2016
Image: JAXA
Summary
Kounotori 6 (HTV-6) launched on a Mitsubishi Heavy Industries H-IIB 304 from Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan on December 9, 2016. It was Mitsubishi Heavy Industries's 30th launch, 3rd this year and humanity's 5,608th orbital launch attempt. It was the 6th H-IIB 304 flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kounotori 6 gouki, one of 15 catalogued objects, reached a 181 × 304 km orbit inclined 51.6°. The spacecraft was Kounotori 6 (HTV-6). 15 objects from this launch are catalogued, all of them payloads.
- Watch
- Booster
- No booster details on record.
- Mission
- Resupply · Low Earth Orbit (LEO)
- Milestone
- 6th H-IIB 304 flight · 1st this yearMitsubishi Heavy Industries's 30th launch3rd this yearhumanity's 5,608th orbital launch attempt79th orbital launch attempt this year
Spacecraft
Kounotori 6 (HTV-6)
Kounotori 6, also known as HTV-6, is the sixth flight of the H-II Transfer Vehicle, an unmanned cargo spacecraft launched to resupply the International Space Station. It was launched at 13:26:47 UTC on 9 December 2016 aboard H-IIB launch vehicle from Tanegashima Space Center.
- Destination: International Space Station
- Mission length: 58 days
- Docked December 13, 2016 at Harmony nadir
The Kounotori spacecraft burned up as planned upon entering Earth's atmosphere.
Webcast
Flight preview
Orbit: as tracked
Kounotori 6 gouki · NORAD 41881 · 2016-076 · Space-Track · tracking 1 of 15 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2016-076A
- Epoch
- 2016-12-09 13:44:39 UTC
- Mean motion
- 16.14241776 rev/day
- Eccentricity
- 0.009346
- Inclination
- 51.629°
- Ascending node
- 264.352°
- Arg. of perigee
- 320.7265°
- Mean anomaly
- 226.2423°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
15 catalogued: 15 payloads
- Kounotori 6 gouki · NORAD 41881
- Hagoromo · NORAD 41895 · re-entered March 2, 2018
- FREEDOM · NORAD 41930 · re-entered February 5, 2017
- TANCREDO-1 · NORAD 41931 · re-entered October 18, 2017
- Tsukuba-OSCAR-89 · NORAD 41932 · re-entered January 3, 2019
- Waseda-SAT 3 · NORAD 41933 · re-entered October 6, 2018
- EGG · NORAD 41934 · re-entered May 15, 2017
- AOBA-VeloxIII · NORAD 41935 · re-entered November 1, 2018
- TuPOD · NORAD 41936 · re-entered September 8, 2017
- OSNSAT · NORAD 41939 · re-entered January 11, 2018
- Lemur-2-Redfern-Goes · NORAD 42059 · re-entered December 5, 2018
- TechEdSat-5 · NORAD 42066 · re-entered July 29, 2017
Show 3 more payloads
- Lemur-2-Trutna · NORAD 42067 · re-entered April 15, 2018
- Lemur-2-Austintacious · NORAD 42068 · re-entered October 4, 2018
- Lemur-2-TrutnaHD · NORAD 42069 · re-entered November 13, 2018
Data from J. McDowell, planet4589.org
About this launch
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.
Pad

Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan
6th launch from Yoshinobu Launch Complex LP-2, 1st this year · 68th from Tanegashima Space Center, Japan
18 launches from this pad · 99 from Tanegashima Space Center, Japan
478 days after the previous launch from this pad
All launches from Tanegashima Space Center, JapanOpen in maps
Questions
When did Kounotori 6 (HTV-6) launch?
Kounotori 6 (HTV-6) launched on December 9, 2016. The time is known to the hour, not the minute.
Where can I watch Kounotori 6 (HTV-6)?
Coverage: Japanese Cargo Ship Sets Sail on Resupply Run to the International Space Station; 「こうのとり」6号機/H-IIBロケット6号機打上げライブ中継 ( KOUNOTORI6 / H-IIB F6 launch live broadcast. ). Watch the replay
What rocket launched Kounotori 6 (HTV-6)?
H-IIB 304, flown by Mitsubishi Heavy Industries. H-IIB 304 spec sheet
Where did Kounotori 6 (HTV-6) launch from?
Yoshinobu Launch Complex LP-2, Tanegashima Space Center, Japan.
What orbit did Kounotori 6 (HTV-6) reach?
Kounotori 6 gouki, one of 15 catalogued objects, reached a 181 × 304 km orbit inclined 51.6°.
How many satellites did Kounotori 6 (HTV-6) launch?
15 payloads from this launch are catalogued (Data from J. McDowell, planet4589.org).
Which program is Kounotori 6 (HTV-6) part of?
International Space Station. About International Space Station
