SDS-4 (Small Demonstration Satellite 4) is a small satellite (50 cm cube with mass of 50 kg) developed by JAXA. It was launched as a secondary payload on the Shizuku mission on 17 May 2012 UTC.[4]
Mission type | Technology |
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Operator | JAXA |
COSPAR ID | 2012-025C ![]() |
SATCAT no. | 38339 |
Spacecraft properties | |
Spacecraft type | SDS |
Launch mass | 50 kilograms (110 lb)[1] |
Start of mission | |
Launch date | 17 May 2012, 16:39 (2012-05-17UTC16:39Z) UTC[2] |
Rocket | H-IIA 202 |
Launch site | Tanegashima Yoshinobu 1 |
Contractor | Mitsubishi |
End of mission | |
Deactivated | 1 July 2021 (2021-08) |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Perigee altitude | 666 kilometres (414 mi) |
Apogee altitude | 678 kilometres (421 mi) |
Inclination | 98.23 degrees |
Period | 98.05 minutes |
Epoch | 30 October 2013, 08:31:20 UTC[3] |
In 2019, its ownership was transferred to the SKY Perfect JSAT Corporation (JSAT).[5] Operation was terminated by the end of June 2021.[6]
There are four rather specialised systems on the satellite:
← 2011 · Orbital launches in 2012 · 2013 → | |
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Ziyuan III-01 · VesselSat-2 | Fengyun 2-07 | USA-233 | Progress M-14M | Navid | LARES · ALMASat-1 · Xatcobeo · UniCubeSat-GG · ROBUSTA · e-st@r · Goliat · MaSat-1 · PW-Sat | SES-4 | Compass-G5 | MUOS-1 | Edoardo Amaldi ATV | Intelsat 22 | Kosmos 2479 | Apstar 7 | USA-234 | Kwangmyŏngsŏng-3 | Progress M-15M | YahSat-1B | RISAT-1 | Compass-M3 · Compass-M4 | USA-235 | Tianhui 1B | Yaogan 14 · Tiantuo 1 | Soyuz TMA-04M | JCSAT-13 · Vinasat-2 | Kosmos 2480 | Shizuku · Kompsat 3 · SDS-4 · Horyu 2 | Nimiq 6 | SpaceX COTS Demo Flight 2 · New Frontier | Fajr | ChinaSat 2A | Yaogan 15 | Intelsat 19 | NuSTAR | Shenzhou 9 | USA-236 | USA-237 | EchoStar XVII · MSG-3 | SES-5 | Soyuz TMA-05M | Kounotori 3 (Raiko · We-Wish · Niwaka · TechEdSat · F-1) | Kanopus-V1 · BelKA-2 · Zond-PP · TET-1 · exactView-1 | Tianlian I-03 | Gonets-M No.3 · Gonets-M No.4 · Kosmos 2481 · MiR | Progress M-16M (Sfera-53) | Intelsat 20 · HYLAS 2 | Telkom-3 · Ekspress-MD2 | Intelsat 21 | RBSP-A · RBSP-B | SPOT 6 · PROITERES · mRESINS | USA-238 · SMDC-ONE 1.1 · SMDC-ONE 1.2 · AeroCube 4 · AeroCube 4A · AeroCube 4B · Aeneas · Re · CSSWE · CP5 · CXBN · CINEMA 1 | MetOp-B | Compass-M5 · Compass-M6 | Astra 2F · GSAT-10 | VRSS-1 | USA-239 | SpaceX CRS-1 · Orbcomm-2 | David · Sif | Shijian IX-01 · Shijian IX-02 | Intelsat 23 | Soyuz TMA-06M | Compass G6 | Progress M-17M | Luch 5B · Yamal-300K | Eutelsat 21B · Star One C3 | Meridian 6 | Huanjing 1C · Xinyan 1 · Fengniao 1 (Fengniao 1A) | EchoStar XVI | Yaogan 16A · Yaogan 16B · Yaogan 16C | ChinaSat 12 | Pléiades-HR 1B | Eutelsat 70B | Yamal-402 | USA-240 | Kwangmyŏngsŏng-3 Unit 2 | Göktürk-2 | Soyuz TMA-07M | Skynet 5D · Mexsat Bicentenario | |
Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in underline. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets). |
Japanese space program | |||||||||||||
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Astronomical observation |
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Communications, broadcasting and navigation |
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Earth observation |
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Engineering tests |
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Human spaceflight |
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Lunar and planetary exploration |
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Private miniaturized satellites |
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Reconnaissance |
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