STRaND-1
E259996
STRaND-1 is a British CubeSat technology demonstration satellite notable for being one of the first to test smartphone-based satellite control in orbit.
All labels observed (2)
| Label | Occurrences |
|---|---|
| STRaND (Surrey Training, Research and Nanosatellite Demonstrator) | 1 |
| STRaND-1 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2372865 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: STRaND-1 Context triple: [NEOSSat, sharesLaunchWith, STRaND-1]
-
A.
DSX (Demonstration and Science Experiments) spacecraft
The DSX (Demonstration and Science Experiments) spacecraft is a U.S. Air Force Research Laboratory mission designed to study the effects of the space environment on spacecraft components and technologies in medium Earth orbit.
-
B.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
-
C.
Spartan-Halley free-flyer
Spartan-Halley free-flyer was an autonomous, reusable NASA spacecraft designed to study Halley’s Comet by conducting short-duration, targeted observations while deployed from and later retrieved by the Space Shuttle.
-
D.
Cygnus spacecraft
The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
-
E.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: STRaND-1 Target entity description: STRaND-1 is a British CubeSat technology demonstration satellite notable for being one of the first to test smartphone-based satellite control in orbit.
-
A.
DSX (Demonstration and Science Experiments) spacecraft
The DSX (Demonstration and Science Experiments) spacecraft is a U.S. Air Force Research Laboratory mission designed to study the effects of the space environment on spacecraft components and technologies in medium Earth orbit.
-
B.
MICROSCOPE satellite mission
The MICROSCOPE satellite mission was a French-led space experiment designed to test the validity of Einstein’s equivalence principle with unprecedented precision by comparing the free fall of different materials in orbit.
-
C.
Spartan-Halley free-flyer
Spartan-Halley free-flyer was an autonomous, reusable NASA spacecraft designed to study Halley’s Comet by conducting short-duration, targeted observations while deployed from and later retrieved by the Space Shuttle.
-
D.
Cygnus spacecraft
The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
-
E.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
British satellite
ⓘ
CubeSat ⓘ technology demonstration satellite ⓘ |
| communicationBand |
S-band
ⓘ
UHF ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| developedBy |
Surrey Satellite Technology Ltd
ⓘ
Surrey Space Centre ⓘ |
| hasAttitudeControl | yes ⓘ |
| isOneOfFirstTo | use a smartphone as the main avionics system in orbit ⓘ |
| launchCountry | India ⓘ |
| launchDate | 2013-02-25 ⓘ |
| launchMass | approximately 4.3 kilograms ⓘ |
| launchServiceProvider | Indian Space Research Organisation ⓘ |
| launchSite | Satish Dhawan Space Centre ⓘ |
| launchVehicle | PSLV-CA ⓘ |
| missionStatus | completed ⓘ |
| missionType | technology demonstration ⓘ |
| notableFor | testing smartphone-based satellite control in orbit ⓘ |
| onboardComputer | Android smartphone ⓘ |
| operator |
Surrey Satellite Technology Ltd
ⓘ
Surrey Space Centre ⓘ |
| orbitInclination | approximately 98 degrees ⓘ |
| orbitRegime | low Earth orbit ⓘ |
| orbitType | Sun-synchronous orbit ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
demonstrate new propulsion and control technologies for CubeSats
ⓘ
demonstrate use of a commercial smartphone as an onboard computer in space ⓘ test advanced attitude control algorithms ⓘ |
| program |
STRaND-1
self-linksurface differs
ⓘ
surface form:
STRaND (Surrey Training, Research and Nanosatellite Demonstrator)
|
| spacecraftBus |
CubeSats
ⓘ
surface form:
CubeSat 3U
|
| usesCommercialOffTheShelfComponents | yes ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: STRaND-1 Description of subject: STRaND-1 is a British CubeSat technology demonstration satellite notable for being one of the first to test smartphone-based satellite control in orbit.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.