Alexander (satellite)

Alexander
Spacecraft properties
Alexander satellite

Mission type	Technology demonstration
Operator	NASA Ames Research Center
COSPAR ID	2013-016C
SATCAT no.	39144
Mission duration	7 days (planned) 6 days (achieved)


Spacecraft type	CubeSat
Bus	PhoneSat-2.0
Manufacturer	NASA Ames Research Center Spaceflight Industries ISIS
Launch mass	0.5 kg (1.1 lb)


Start of mission
Launch date	21 April 2013, 21:00 UTC
Rocket	Antares 110 A-ONE
Launch site	Wallops Island MARS, LP-0A
Contractor	Orbital Sciences


End of mission
Decay date	27 April 2013


Orbital parameters
Reference system	Geocentric orbit^[1]
Regime	Low Earth orbit
Perigee altitude	218 km
Apogee altitude	228 km
Inclination	51.64°
Period	88.95 minutes

Alexander, also known as PhoneSat 2.0 Beta or PhoneSat v2a is a technology demonstration satellite operated by NASA's Ames Research Center, which was launched in April 2013. Part of the PhoneSat programme, it was one of the first three PhoneSat spacecraft, and the first Phonesat-2.0 satellite, to be launched.

A PhoneSat-2.0 satellite, Alexander was built to the single-unit (1U) CubeSat specification, and measures 10 cm (3.9 in) in each dimension. The satellite is based on an off-the-shelf Samsung Electronics Nexus S smartphone which serves in place of an onboard computer. The satellite is equipped with a two-way S-band transponder and solar cells for power generation. The spacecraft uses the phone's gyroscopes, along with a GPS receiver, to determine its position and orientation, and a system of reaction wheels and magnetorquer coils for attitude control.^[2]

Alexander was named after Alexander Graham Bell, the inventor of the telephone. The two other PhoneSat spacecraft launched aboard the same rocket were named Graham and Bell.^[3] The three PhoneSat spacecraft, along with the commercial Dove 1 satellite, were launched as secondary payloads aboard the maiden flight of the Antares launch vehicle; flight A-ONE. The primary payload was the Cygnus Mass Simulator.^[4]

Liftoff occurred at 21:00 UTC on 21 April 2013, from Pad 0A of the Mid-Atlantic Regional Spaceport (MARS), following attempts on 17 and 20 April which had been scrubbed due to an umbilical problem and high-level winds respectively.^[5] The launch was conducted by Orbital Sciences Corporation, however the CubeSats were launched under a contract with Spaceflight Services, using dispensers produced by Innovative Solutions In Space (ISIS). Alexander, Graham and Bell were deployed from a single ISIPod dispenser, while Dove 1 was deployed from a second such dispenser.^[6]

On 27 April 2013, the satellite was confirmed to have burned up in the atmosphere, with instruments still running up until then.^[7]

References

^ "Orbital Elements". PhoneSat.org. 23 April 2013. Archived from the original on 23 April 2013. Retrieved 23 April 2013.
^ "PhoneSat Flight Demonstrations - NASA's Smartphone Nanosatellite". NASA. 16 February 2013. Archived from the original on 27 April 2013. Retrieved 23 April 2013. This article incorporates text from this source, which is in the public domain.
^ "Packet Description". PhoneSat.org. 23 April 2013. Archived from the original on 23 April 2013. Retrieved 23 April 2013.
^ "PhoneSat-1 and -2 missions on Antares rocket maiden flight". eoPortal Directory. European Space Agency. Retrieved 23 April 2013.
^ Graham, William (21 April 2013). "Antares conducts a flawless maiden launch". NASASpaceFlight.com. Retrieved 22 April 2013.
^ "Spaceflight Successfully Deploys Five Spacecraft Launched by Two Launch Vehicles from Two Continents". Spaceflight Services. 21 April 2013. Archived from the original on 21 June 2013. Retrieved 23 April 2013.
^ "Smartphone satellites beam down pictures from space". Gizmag. 5 May 2013. Retrieved 2 December 2013.

v t e ← 2012 Orbital launches in 2013 2014 →
January	Kosmos 2482, Kosmos 2483, Kosmos 2484 JSE Reda 4, Jissho Eisei STSat-2C TDRS-11
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	SpaceX CRS-2 USA-241 Satmex 8 Soyuz TMA-08M
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	Zhongxing 11 PROBA-V, VNREDSat-1, ESTCube-1 Eutelsat 3D USA-242 USA-243 Soyuz TMA-09M
June	SES-6 Albert Einstein ATV Kosmos 2486 / Persona №2 Shenzhou 10 Resurs-P No.1 O3b × 4 (PFM, FM2, FM4, FM5) Kosmos 2487 / Kondor № 202 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 5 Progress M-21M
December	Chang'e 3 (Yutu) SES-8 USA-247 / Topaz, TacSat-6 Inmarsat-5 F1 CBERS-3† Gaia Túpac Katari 1 Kosmos 2488 / Strela-3M 7, Kosmos 2489 / Strela-3M 8, Kosmos 2490 / Strela-3M 9, Kosmos-2491 Ekspress AM5 Aist 1, Kosmos 2491 / SKRL-756 1, Kosmos 2492 / SKRL-756 2
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).

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