Terms of Service
Last updated: September 17, 2025
1. Acceptance of Terms
By accessing and using Vesper ("the Service"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the Service.
2. Description of Service
Vesper is a web-based spacecraft design tool that enables users to create, analyze, and iterate on spacecraft designs. The Service includes features for component selection, mission design, power analysis, and other spacecraft engineering tools.
3. User Accounts
3.1. You must register for an account to use the Service.
3.2. You are responsible for maintaining the security of your account credentials.
3.3. You must provide accurate and complete information when creating an account.
3.4. You may not share your account credentials with third parties.
4. User Content
4.1. You retain ownership of any intellectual property rights in content you create using the Service.
4.2. By using the Service, you grant us a license to host and share your content with your authorized collaborators.
4.3. You are solely responsible for your content and ensure it does not violate any applicable laws or regulations.
5. Component Database
5.1. The Service provides access to a database of spacecraft components and their specifications.
5.2. Component data is provided "as is" and we make no warranties about its accuracy or completeness.
5.3. Users should independently verify all component specifications before use in actual spacecraft design.
6. Analysis Tools
6.1. The Service provides various analysis tools for spacecraft design.
6.2. These tools are for preliminary design purposes only and should not be used as the sole basis for final spacecraft design decisions.
6.3. Users should independently verify all calculations and analysis results.
7. Export Control
7.1. Users must comply with all applicable export control laws and regulations.
7.2. The Service may not be used to design spacecraft or components that violate ITAR, EAR, or other export control regulations.
7.3. Users are responsible for obtaining any necessary export licenses or permits.
8. Intellectual Property
8.1. The Service, including its software, design, and content, is protected by copyright and other intellectual property laws.
8.2. You may not copy, modify, or create derivative works of the Service without our permission.
9. Limitation of Liability
9.1. The Service is provided "as is" without any warranties, express or implied.
9.2. We are not liable for any damages arising from your use of the Service.
9.3. We are not responsible for any errors or omissions in spacecraft designs created using the Service.
10. Termination
10.1. We may terminate or suspend your account at any time for violations of these terms.
10.2. You may terminate your account at any time by contacting us.
11. Changes to Terms
11.1. We may modify these terms at any time by posting updated terms on the Service.
11.2. Your continued use of the Service after changes constitutes acceptance of the modified terms.
12. Contact
For questions about these terms, please contact us through our contact page.