SERVIS-2
| SERVIS-2 | |
|---|---|
| Type: | Experimental satellite |
| Country: |
 Japan
|
| Operator: |
 JAXA
|
| COSPAR-ID : | 2010-023A |
| Mission dates | |
| Dimensions: | 740 kg |
| Size: | 10.2 × 2.5 m |
| Starting place: | Plesetsk 133/3 |
| Launcher: | Rockot |
| Orbit data | |
| Orbit inclination : | 100.4 ° |
| Apogee height : | 1200 km |
| Perigee height : | 1200 km |
SERVIS-2 (abbreviation for Space Environment Reliability Verification Integrated System , Japanese 実 証 衛星 2 号 機 , Jisshō Eisei 2-gōki , German "Detection satellite device no. 2") is a Japanese research satellite of the Institute for Unmanned Space Experiment Free Flyer (USEF) with an order from the New Energy and Industrial Technology Development Organization (NEDO).
history
The SERVIS project was started in 1999 and serves to evaluate commercial-off-the-shelf parts and technologies in space. The predecessor SERVIS-1 was launched into polar orbit on October 30, 2003 at 13:43:42 UTC with a Rockot launcher from the Plesetsk rocket launch site and worked for two years.
mission
SERVIS-2 was launched on June 2, 2010 at 01:59 UTC also with a Rockot launcher from the Plesetsk rocket launch site. At 3:36 a.m. UTC, SERVIS-2 was deployed by the upper level on the planned sun-synchronous orbit at an altitude of around 1,200 kilometers.
technology
The satellite is about 2.5 meters high. The energy supply system consists of solar panels with a span of 10.2 m, which achieve an electrical output of more than 1300 W, which they make available to the payload via a 50 V bus system. The payload, which weighs over 300 kg, has more than 500 W available. The satellite has 3-axis stabilization and the telemetry is carried out with a bandwidth of 2 kBit / s (USB), 256 kbps (HSB) and 4 kbps (Command). 1 Newton hydrazine thrusters are available for orbit control . Ground control is provided by the USEF Space Operations Center (USOC) control center in Tokyo using the JAXA Ground Stations Network.
In addition to the systems to be tested, there were also commercial electronic parts on board for evaluation for use in space:
| SERVIS-2 | |
|---|---|
| SRAM | 4 Mbit , 8 Mbit |
| DRAM | 256 Mbit, 512 Mbit |
| SOI SRAM | 128 kbit in the 0.18 µm process |
| FlashMemory | NOR 128 Mbit |
| FPGA | SRAM type, EEPROM type |
Experimental systems on board SERVIS-2
Nine experimental systems were carried on board SERVIS-2.
| abbreviation | Surname |
|---|---|
| LIBA | Lithium-Ion (Mn type) Battery system with Automotive Technology |
| ADMS | High Assurance Data Management System |
| CRAFT | Fault-Tolerant Computer with CRAFT System |
| PPRTU | Plug-and-play remote terminal unit |
| HPDC | High performance data compressor |
| APE | Advanced Positioning Experimental Module |
| ASM | Advanced Satellite Structure Experimental Module |
| MBW | Magnetic bearing wheel |
| MEMS | RF-MEMS Experiment Unit |
Web links
Individual evidence
- ↑ Jonathan McDowell: Launch Log. Jonathan's Space Report, accessed August 16, 2014 .
- ↑ Rockot transports SERVIS 2 into space . Raumfahrer.net, June 2, 2010
- ↑ USEF website for SERVIS