Waseda-SAT2

Mission type| Technology
Remote sensing
Operator| Waseda University
COSPAR ID| 2010-020B
SATCAT no.| 36574
Website| www.miyashita.mmech.waseda.ac.jp/Waseda-Sat2/index.htm
Mission duration| 53 days
Spacecraft properties
Spacecraft type| 1U CubeSat
Launch mass| 1.2 kilograms (2.6 lb)
Dimensions| 10-centimetre (3.9 in) cube
Start of mission
Launch date| 20 May 2010, 21:58:22 (2010-05-20UTC21:58:22Z) UTC
Rocket| H-IIA 202
Launch site| Tanegashima Yoshinobu 1
Contractor| Mitsubishi
End of mission
Decay date| 12 July 2010
Orbital parameters
Reference system| Geocentric
Regime| Low Earth
Perigee altitude| 290 kilometres (180 mi)
Apogee altitude| 303 kilometres (188 mi)
Inclination| 29.9 degrees
Period| 90.44 minutes
Epoch| 23 May 2010[1]

Waseda-SAT2 is a Japanese satellite which launched in May 2010. It is a student-built spacecraft, which will be operated by Waseda University, and is intended to be used for Earth observation[2] and technology demonstration. It will test the use of extendible paddles to provide attitude control.[3] The satellite is a single unit CubeSat.

The launch was conducted by Mitsubishi Heavy Industries under contract to the Japan Aerospace Exploration Agency. In preparation for a planned launch on 17 May, the H-IIA rocket was rolled out to Pad 1 of the Yoshinobu Launch Complex at the Tanegashima Space Centre on 16 May 2010. It departed the assembly building at 21:01 UTC and arriving at the launch pad 24 minutes later at 21:25 UTC.[4] The terminal countdown began at 11:30 UTC on 17 May and by 15:28, the loading of cryogenic propellant into the rocket's first and second stages had been completed.[4] The launch attempt was scrubbed a few minutes before liftoff due to bad weather, but took place successfully at 21:58:22 UTC on 20 May 2010.

Waseda was deployed from a JAXA Picosatellite Deployer attached to the second stage of the H-IIA 202 rocket used in the launch of the Akatsuki spacecraft towards Venus. A second dispenser contained K-Sat and the Negai ☆ satellite. The three CubeSats separated into low Earth orbit during a coast phase of the launch, between the first and second burns of the second stage. The rocket then continued to Heliocentric orbit, where it deployed Akatsuki, along with the IKAROS and UNITEC-1 spacecraft.[5]

Contact with the satellite was not established after lauch.[6] It re-entered the atmosphere just two months after launch, on the 20 July 2010.[7]

## See also

* WASEDA-SAT-ZERO
* List of CubeSats

## References

1. ↑ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. http://planet4589.org/space/log/satcat.txt.
2. ↑ Krebs, Gunter. "Waseda-SAT2". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/wasedasat-2.htm.
3. ↑ "WASEDA-SAT2" (in ja). Waseda Satellite Project. Waseda University. http://www.miyashita.mmech.waseda.ac.jp/Waseda-Sat2/sub3.html.
4. ↑ 4.0 4.1 "Countdown Report". H-IIA Launch Services Flight 17. Mitsubishi Heavy Industries. http://h2a.mhi.co.jp/mission/results/f17countdown_en.html.
5. ↑ "Overview of Secondary Payloads". Akatsuki Special Site. JAXA. http://www.jaxa.jp/countdown/f17/overview/sub_payload_e.html.
6. ↑ "Waseda-SAT 2" (in en). https://space.skyrocket.de/doc_sdat/wasedasat-2.htm.
7. ↑ "Technical details for satellite WASEDA-SAT2". https://www.n2yo.com//satellite/?s=36574.

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Orbital launches in 2010

Compass-G1 | Globus-1M No.12L | Progress M-04M | STS-130 (Tranquility * Cupola) | SDO | Intelsat 16 | Kosmos 2459 * Kosmos 2460 * Kosmos 2461 | GOES 15 | Yaogan 9A * Yaogan 9B * Yaogan 9C | EchoStar XIV | Soyuz TMA-18 | STS-131 (Leonardo MPLM) | CryoSat-2 | GSAT-4 | Kosmos 2462 | USA-212 | SES-1 | Kosmos 2463 | Progress M-05M | STS-132 (Rassvet * ICC-VLD) | Akatsuki * IKAROS (DCAM-1 * DCAM-2) * Shin'en * Waseda-SAT2 * Hayato * Negai ☆'' | Astra 3B * COMSATBw-2 | USA-213 | SERVIS-2 | Compass-G3 | Badr-5 | Dragon Spacecraft Qualification Unit | STSAT-2B | Shijian XII | Prisma * Picard * BPA-1 | Soyuz TMA-19 | TanDEM-X | Ofek-9 | Arabsat-5A * Chollian | Progress M-06M | EchoStar XV | Cartosat-2B * AlSat-2A * StudSat * AISSat-1 * TIsat-1 | Compass-IGSO1 | Nilesat 201 * RASCOM-QAF 1R | Yaogan 10 | USA-214 | Tian Hui 1 | Kosmos 2464 * Kosmos 2465 * Kosmos 2466 | Chinasat-6A | Gonets-M No.2 * Kosmos 2467 * Kosmos 2468 | Progress M-07M | Michibiki | USA-215 | Yaogan 11 * Zheda Pixing 1B * Zheda Pixing 1C | USA-216 | Kosmos 2469 | Chang'e 2 | Shijian 6G * Shijian 6H | Soyuz TMA-01M | XM-5 | Globalstar 73 * Globalstar 74 * Globalstar 75 * Globalstar 76 * Globalstar 77 * Globalstar 79 | Progress M-08M | Eutelsat W3B * BSat 3B | Compass-G4 | Meridian 3 | Feng Yun 3B | COSMO-4 | SkyTerra-1 | STPSat-2 * RAX * O/OREOS * FASTSAT (NanoSail-D2) * FalconSat-5 * Sara-Lily * Emma | USA-223 | Chinasat-20A | Intelsat 17 * Hylas 1 | Glonass-M No.39 * Glonass-M No.40 * Glonass-M No.41 | SpaceX COTS Demo Flight 1 * Mayflower * SMDC-ONE 1 * QbX-1 * QbX-2 * Perseus 000 * Perseus 001 * Perseus 002 * Perseus 003 | Soyuz TMA-20 | Compass-IGSO2 | GSAT-5P | KA-SAT| Alsat-2A

Payloads are separated by bullets ( * ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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