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rocket. Due to a problem with the rocket during launch, the 3CS satellites on board, Sparkie and
Ralphie, failed to achieve orbit. The satellites were to have been dropped off at a low 180 km × 240 km, but they entered orbit at a height of only 105 km, which led to a rapid
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The spacecraft were equipped with robust execution management software (Spacecraft
Command Language (SCL), Continuous Activity Scheduling Planning Execution and Replanning (CASPER) software, and Context-sensitive anomaly detection software (SELMON monitoring system)
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was not aboard the 3CS launch on Delta IV Heavy (due to the fitting only being able to hold two spacecraft; Petey was used for ground software and communications testing ) and was later donated to the
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flying in formation. Primary mission objectives were to demonstrate formation flying, provide stereoscopic imaging of cloud formations, and demonstrate distributed and autonomous operations.
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End-to-End Data
Systems (EEDS) will support automated operations, react to unplanned faults and opportunities, and to optimize operations and data handling.
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Formation flying - the satellites will operate as a network to synchronize targeting and
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Emphasize student education by allowing students to actively participate in the program.
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379:"Commanding and Safeguarding The Three Corner Satellite Constellation"
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The 3CS stack was originally slated for launch aboard the
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Onboard
Autonomy on the Three Corner Satellite Mission
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478:NASA's Three Corner Satellite Project Homepage
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235:was originally also part of the 3CS.
28:Two 3CS satellites undergoing testing
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488:http://spacegrant.colorado.edu/3cs/
429:from the original on 29 August 2008
381:. University of Colorado at Boulder
197:) consisted of three student-built
527:(AFRL) spacecraft and air vehicles
277:3CS placed atop the launch vehicle
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214:University of Colorado at Boulder
356:NASA Jet Propulsion Laboratory.
222:Air Force Research Laboratory's
316:Secondary mission objectives:
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525:Air Force Research Laboratory
264:National Air and Space Museum
286:Primary mission objectives:
448:"3CSat 1, 2, 3 (Nanosat 2)"
268:Steven F. Udvar-Hazy Center
233:New Mexico State University
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730:Tactical Satellite Program
590:University Nanosat Program
421:Ray, Justin (2005-03-15).
377:Stephen Levin-Stankevich.
225:University Nanosat Program
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667:Technology demonstrators
631:Space weather satellites
358:"Three Corner Satellite"
290:Stereoscopic imaging of
258:The third 3CS satellite
244:Shuttle Columbia tragedy
218:Arizona State University
77:Technology demonstration
533:Launch/orbital vehicles
242:in 2003, but after the
212:, was developed by the
572:Space Maneuver Vehicle
331:spacecraft bus design.
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204:A pair of spacecraft,
187:Three Corner Satellite
401:"The DemoSat payload"
399:Boeing (2004-12-01).
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227:. A third satellite,
564:Orbital Test Vehicle
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780:Student satellites
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17:3 Corner Satellite
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403:. Spaceflight Now
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174:December 21, 2004
38:Country of origin
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320:Demonstrate
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74:Applications
684:MightySat-2
679:MightySat-1
298:structures.
296:atmospheric
106:Design life
732:satellites
715:(canceled)
697:(canceled)
694:TechSat-21
557:(canceled)
553:Blackswift
546:(canceled)
453:2011-02-22
433:2008-08-02
407:2008-08-02
385:2011-02-18
363:2009-01-17
343:References
294:and other
195:3CornerSat
126:Production
109:2-4 months
52:CU-Boulder
580:WaveRider
101:(planned)
99:Low Earth
774:Category
759:TacSat-5
754:TacSat-4
749:TacSat-3
744:TacSat-2
739:TacSat-1
712:PnPSat-1
648:Coriolis
483:NASA.gov
427:Archived
147:Launched
48:Operator
607:FASTRAC
597:Program
551:HTV-3X
329:modular
210:Sparkie
206:Ralphie
171:Sparkie
167:Ralphie
720:ANGELS
702:XSS-11
689:XSS-10
653:C/NOFS
578:X-51A
570:X-40A
292:clouds
134:Failed
131:Status
95:Regime
643:TSX-5
638:ARGOS
622:ELFIN
617:DANDE
612:CUSat
562:X-37
540:X-33
523:U.S.
260:Petey
253:decay
229:Petey
193:, or
139:Built
707:ISAT
674:TAOS
216:and
208:and
189:(or
155:Lost
64:AFRL
60:NMSU
658:DSX
602:3CS
266:’s
191:3CS
68:STP
56:ASU
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