Kounotori 4, also known as HTV-4, was the fourth flight of the H-II Transfer Vehicle, an uncrewed cargo spacecraft launched in August 2013 to resupply the International Space Station. It launched from Tanegashima Space Center aboard H-IIB No. 4 (H-IIB F4) rocket on 3 August 2013 and connected to ISS by 9 August 2013; it carried 5,400 kilograms (11,900 lb) of cargo.[2] Kounotori 4 undocked on 4 September 2013 and was destroyed by reentry on 7 September 2013.[3][4]
Mission type | ISS resupply |
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Operator | JAXA |
COSPAR ID | 2013-040A |
SATCAT no. | 39221 |
Mission duration | 35 days |
Spacecraft properties | |
Spacecraft type | H-II Transfer Vehicle (HTV) |
Manufacturer | Mitsubishi Heavy Industries (MHI) |
Launch mass | 15900 kg |
Dry mass | 10500 kg |
Start of mission | |
Launch date | 3 August 2013, 19:48:46 UTC |
Rocket | H-IIB No. 4 |
Launch site | Tanegashima, Yoshinobu-2 |
Contractor | Mitsubishi Heavy Industries |
End of mission | |
Disposal | Deorbited |
Decay date | 7 September 2013, 06:37 UTC |
Orbital parameters | |
Reference system | Geocentric orbit[1] |
Regime | Low Earth orbit |
Inclination | 51.66° |
Berthing at ISS | |
Berthing port | Harmony |
RMS capture | 9 August 2013, 11:22 UTC |
Berthing date | 9 August 2013, 15:28 UTC |
Unberthing date | 4 September 2013, 12:07 UTC |
RMS release | 4 September 2013, 16:20 UTC |
Time berthed | 25 days, 20 hours, 29 minutes |
Cargo | |
Mass | 5400 kg |
Pressurised | 3900 kg |
Unpressurised | 1500 kg |
HTV ISS Resupply |
Major changes of Kounotori 4 from previous HTV are:
Kounotori 4 carries about 5,400 kilograms (11,900 lb) of cargo, consisting of 3,900 kilograms (8,600 lb) in the pressurized compartment and 1,500 kilograms (3,300 lb) in the unpressurized compartment.
Pressurized cargo include: CANA (Cabin network system for Kibō), Stirling-Cycle Refrigerator (FROST), ISS Cryogenic Experiment Storage Box (ICE Box), i-Ball and Re-Entry Data Recorder (REDR), four CubeSats: (PicoDragon, ArduSat-1, ArduSat-X, TechEdSat-3p), and the Kirobo (robot companion for Koichi Wakata).
Unpressurized cargo include: MBSU (Main Bus Switching Units) and UTA (Utility Transfer Assembly) which are ISS system spare parts, and a NASA experiment module STP-H4 (Space Test Program - Houston 4).
Kounotori 4 was successfully launched atop a H-IIB carrier rocket flying from pad 2 of the Yoshinobu Launch Complex at Tanegashima Space Center at 19:48:46 UTC on 3 August 2013. After 5.5 days of orbital manoeuvres, it arrived to Approach Initiation Point (5 kilometres (3.1 mi) behind ISS) at 05:31 UTC, 9 August 2013,[6] and started the final approach sequence at 08:05 UTC.[7] The ISS's robotic arm Canadarm2 grappled Kounotori 4 at 11:22 UTC, and fastened to ISS's Common berthing mechanism (CBM) on 16:32 UTC. All berthing operations were completed at 18:38 UTC.[8]
The ISS crew opened the hatch and entered to Pressurized Logistics Carrier (PLC) at 11:11 UTC, 10 August 2013.[9]
Kounotori 4 undocked from the ISS at 16:20 UTC, on 4 September 2013, Karen Nyberg then used the stations Canadarm2 to manoeuvre HTV-4 away from the International Space Station.[3]
Trajectory after the release was controlled so that the reentry coincides with ISS passing over to observe it. Japanese flight controllers have deorbited HTV-4 on 06:11 UTC, on 7 September 2013, and it reentered to the atmosphere around 06:37 UTC, on7 September 2013.[4]
Kounotori H-II Transfer Vehicle spaceflights | ||
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Past missions | ||
Future missions |
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See also |
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Uncrewed spaceflights to the International Space Station | ||
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2000–2004 | ||
2005–2009 | ||
2010–2014 | ||
2015–2019 | ||
2020–2024 | ||
Future |
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Spacecraft |
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← 2012 · Orbital launches in 2013 · 2014 → | |
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January | |
February | Intelsat 27 – Globalstar M078, M087, M093, M094, M095, M096 – Azerspace-1/Africasat-1a · Amazonas 3 – Progress M-18M – Landsat 8 – SARAL · Sapphire · NEOSSat · UniBRITE-1 · TUGSAT-1 · AAUSat-3 · STRaND-1 |
March | |
April | Anik G1 – Bion-M No.1 (Aist 2 · BeeSat-2 · BeeSat-3 · SOMP · Dove-2 · OSSI-1) – Cygnus Mass Simulator · Dove 1 · Alexander · Graham · Bell – Progress M-19M – Gaofen 1 · TurkSat-3USat · NEE-01 Pegaso · CubeBug-1 – Kosmos 2485 |
May | |
June | SES-6 – Albert Einstein ATV – Kosmos 2486 – Shenzhou 10 – Resurs-P No.1 – O3b × 4 (PFM, FM2, FM4, FM5) – Kosmos 2487 – IRIS |
July | IRNSS-1A – Uragan-M 48, 49, 50 – Shijian XI-05 – MUOS-2 – Shijian 15 · Shiyan 7 · Chuangxin 3 – Inmarsat-4A F4 · INSAT-3D – Progress M-20M |
August | Kounotori 4 (TechEdSat-3 · ArduSat-1 · ArduSat-X · PicoDragon) – USA-244 – Arirang-5 – USA-245 – Eutelsat 25B / Es'hail 1 · GSAT-7 / INSAT-4F – Amos-4 |
September | Yaogan 17 A, B, C – LADEE – Gonets-M No.5 · Gonets-M No.6 · Gonets-M No.7 – Hisaki – USA-246 – Cygnus Orb-D1 – Fengyun III-03 – Kuaizhou-1 – Soyuz TMA-10M – CASSIOPE · CUSat · POPACS 1, 2, 3 · DANDE – Astra 2E |
October | Shijian 16 – Sirius FM-6 – Yaogan 18 |
November | Mars Orbiter Mission – Soyuz TMA-11M – Globus-1M No.13L – MAVEN – ORS-3 · STPSat-3 · Black Knight 1 · CAPE-2 · ChargerSat-1 · COPPER · DragonSat-1 · Firefly (satellite) · Ho'oponopono-2 · Horus · KySat-2 · NPS-SCAT · ORSES · ORS Tech 1, 2 · PhoneSat 2.4 · Prometheus × 8 · SENSE A, B · SwampSat · TJ3Sat · Trailblazer-1 · Vermont Lunar CubeSat – Yaogan 19 – DubaiSat-2 · STSAT-3 · SkySat-1 · UniSat-5 (Dove 4 · ICube-1 · HumSat-D · PUCP-Sat 1 (Pocket-PUCP) · BeakerSat-1 · $50SAT · QBScout-1 · WREN) · AprizeSat 7, 8 · Lem · WNISat-1 · GOMX-1 · CubeBug-2 · Delfi-n3Xt · Dove 3 · First-MOVE · FUNcube-1 · HINCube-1 · KHUSat-1 · KHUSat-2 · NEE-02 Krysaor · OPTOS · Triton 1 · UWE-3 · VELOX-P2 · ZACUBE-1 · BPA-3 – Swarm A, B, C – Shiyan Weixing 5 – Progress M-21M |
December | Chang'e 3 (Yutu) – SES-8 – USA-247 · ALICE · AeroCube 5A, 5B · CUNYSAT-1 · FIREBIRD A, B · IPEX · M-Cubed-2 · SMDC-ONE 2.3, 2.4 · SNaP · TacSat-6 – Inmarsat-5 F1 – CBERS-3 – Gaia – Túpac Katari 1 – Kosmos 2488 · Kosmos 2489 · Kosmos 2490 – Ekspress AM5 – Aist 1 · SKRL-756 1, 2 |
Launches are separated by dashes ( – ), payloads by dots ( · ). Crewed flights are underlined. Launch failures are in italics. Payloads deployed from other spacecraft are (enclosed in brackets). |