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Overview (General Requirement of cubesat as set by CAL POLY)

 

The CubeSat Project is a international collaboration of over 40 universities, high schools,and private firms developing picosatellites containing scientific, private, and government payloads. A CubeSat is a 10 cm cube with a mass of up to 1 kg. Developers benefit from the sharing of information within the community. The primary mission of the CubeSat Program is to provide access to space for small payloads.

 

General Responsibilities

 

1. CubeSats must not present any danger to neighboring CubeSats in the P-POD, the LV, or primary payloads:

2. All parts must remain attached to the CubeSats during launch, ejection and operation. No additional space  debris may be created.

3. CubeSats must be designed to minimize jamming in the P-POD.

4 Absolutely no pyrotechnics are allowed inside the CubeSat.

5. NASA approved materials should be used whenever possible to prevent contamination of other spacecraft during integration, testing, and launch.

6. The newest revision of the CubeSat Specification is always the official version

7 Developers are responsible for being aware of changes.

8 Changes will be made as infrequently as possible bearing launch provider requirements or widespread safety concerns within the community.

9 Cal Poly will send an update to the CubeSat mailing list upon any changes to the specification.

10 CubeSats using an older version of the specification may be exempt from implementing changes to the specification on a case-by-case basis.

 

Cal Poly holds final approval of all CubeSat designs. Any deviations from the specification must be approved by Cal Poly launch personnel. Any CubeSat deemed a safety hazard by Cal Poly launch personnel may be pulled from the launch.

 

Dimensional and Mass Requirements

 

CubeSats are cube shaped picosatellites with a nominal length of 100 mm per side.

Dimensions and features are outlined in the CubeSat Specification Drawing (Attachment1).

General features of all CubeSats are:

• Each single CubeSat may not exceed 1 kg mass.

• Center of mass must be within 2 cm of its geometric center.

• Double and triple configurations are possible. In this case allowable mass 2 kg or 3 kg respectively. Only the dimensions in the Z axis change (227 mm for doubles and 340.5 mm for triples). X and Y dimensions remain the same.