Last Updated: November 29, 2025
1. Acceptance of Terms
By accessing and using OrbitalPing ISS Tracker ("Service"), you accept and agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Service.
1.1 Eligibility
- You must be at least 13 years old to use this Service
- You must provide accurate information when requested
- You are responsible for maintaining the confidentiality of your account
1.2 Changes to Terms
We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting. Your continued use constitutes acceptance of modified Terms.
2. Service Description
2.1 ISS Tracking Service
OrbitalPing provides:
- Real-time International Space Station (ISS) position tracking
- Predictions of visible ISS passes over user-specified locations
- Email notifications for upcoming ISS passes
- Weather and cloud cover information for viewing conditions
- Historical pass data and statistics
2.2 Data Sources
Our Service uses:
- TLE (Two-Line Element) data from CelesTrak
- Weather data from Open-Meteo and other providers
- Astronomical calculations using Skyfield library
- NASA and space agency public data
2.3 Service Availability
- The Service is provided "as is" and "as available"
- We do not guarantee uninterrupted or error-free service
- Scheduled maintenance may cause temporary unavailability
- We reserve the right to modify or discontinue features at any time
3. User Accounts and Data
3.1 Account Registration
- You may use the Service without creating an account
- Email registration is required for notification features
- You must provide accurate and complete information
- You are responsible for all activity under your account
3.2 Location Data
- Location data is used exclusively for ISS pass calculations
- You can provide location manually or via browser geolocation
- Location data is stored securely and used only as described in our Privacy Policy
- You can update or delete your location data at any time
3.3 Email Notifications
- Email notifications are opt-in only
- You can unsubscribe at any time
- We do not send unsolicited marketing emails
- Notification frequency depends on ISS pass schedules
4. Acceptable Use
4.1 Permitted Use
You may use the Service to:
- Track the ISS and receive pass predictions
- Share information with others (with attribution)
- Use data for personal, educational, or non-commercial purposes
4.2 Prohibited Activities
You may not:
- Use automated systems to access the Service excessively (beyond rate limits)
- Attempt to circumvent security measures or authentication
- Reverse engineer, decompile, or disassemble the Service
- Use the Service for any illegal or unauthorized purpose
- Impersonate others or provide false information
- Interfere with or disrupt the Service or servers
- Collect user data without authorization
- Use the Service to transmit malware or harmful code
4.3 Rate Limiting
- API requests are subject to rate limiting
- Excessive requests may result in temporary blocking
- Current limits: 5 requests/minute for pass calculations, 3 requests/minute for data submission
- Contact us for higher limits for legitimate use cases
5. Intellectual Property
5.1 Service Content
- The Service interface, design, and code are protected by copyright
- Original content and compilation of data are owned by OrbitalPing
- Trademarks, logos, and service marks are owned by their respective owners
5.2 Proprietary Software
- This application is proprietary software
- All code, design, and intellectual property are owned by OrbitalPing
- Unauthorized copying, distribution, or reverse engineering is prohibited
5.3 User Content
- You retain ownership of any content you submit
- By submitting content, you grant us a license to use it for Service operation
- You represent that you have rights to any content you submit
5.4 Third-Party Data
- ISS orbital data is public domain from CelesTrak
- Weather data is provided by third-party services
- NASA imagery and data is used under public domain or applicable licenses
6. Disclaimers and Limitations
6.1 Accuracy Disclaimer
- ISS pass predictions are estimates based on orbital mechanics
- Weather and cloud cover data may not be completely accurate
- We do not guarantee the accuracy, completeness, or timeliness of information
- Actual visibility conditions may vary from predictions
6.2 No Warranty
THE SERVICE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:
- Warranties of merchantability or fitness for a particular purpose
- Warranties of non-infringement
- Warranties regarding accuracy or reliability of results
- Warranties of uninterrupted or error-free operation
6.3 Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY LAW:
- We are not liable for any indirect, incidental, special, or consequential damages
- We are not liable for loss of profits, data, or use
- Our total liability shall not exceed $100 USD
- Some jurisdictions do not allow limitation of liability, so this may not apply to you
6.4 Astronomical Events
- We are not responsible if you miss an ISS pass due to:
- Inaccurate predictions
- Notification delays or failures
- Weather conditions
- Technical issues
- User error
7. Third-Party Services
7.1 External Links
- The Service may contain links to third-party websites
- We are not responsible for content or practices of external sites
- Your use of third-party sites is at your own risk
7.2 Third-Party APIs
- We rely on external APIs (CelesTrak, Open-Meteo, etc.)
- Availability of third-party services may affect our Service
- We are not responsible for third-party service interruptions
7.3 Advertising
- The Service may display advertisements
- Advertisers are responsible for their own content
- Advertising does not constitute endorsement
8. Privacy and Data Protection
8.1 Privacy Policy
- Your use is also governed by our Privacy Policy
- Privacy Policy is incorporated into these Terms by reference
- Available at: https://orbitalping.com/privacy
8.2 Data Collection
- We collect only necessary data as described in Privacy Policy
- You have rights to access, correct, and delete your data
- We comply with GDPR, CCPA, and other applicable privacy laws
8.3 Security
- We implement reasonable security measures
- No system is completely secure
- You are responsible for protecting your account credentials
9. User Conduct and Community
9.1 Responsible Use
- Use the Service respectfully and lawfully
- Do not abuse or overload the Service
- Report security vulnerabilities responsibly
9.2 Feedback and Contributions
- Feedback and suggestions are welcome
- We may use feedback without compensation
- Open source contributions are subject to the project license
9.3 Termination
We may terminate or suspend access to the Service:
- For violation of these Terms
- For illegal or harmful activity
- For extended inactivity
- At our discretion with or without notice
10. Indemnification
You agree to indemnify and hold harmless OrbitalPing, its developers, contributors, and partners from any claims, damages, losses, liabilities, and expenses (including legal fees) arising from:
- Your use of the Service
- Your violation of these Terms
- Your violation of any rights of another party
- Your violation of applicable laws
11. Dispute Resolution
11.1 Governing Law
- These Terms are governed by the laws of your jurisdiction
- Disputes shall be resolved in accordance with applicable law
11.2 Arbitration
- Disputes may be subject to binding arbitration
- You may opt out of arbitration within 30 days
- Small claims court option remains available
11.3 Class Action Waiver
- Disputes must be brought individually
- You waive the right to participate in class actions
- You waive the right to jury trial
12. Modifications and Updates
12.1 Service Changes
We reserve the right to:
- Modify or discontinue features
- Update calculation algorithms
- Change rate limits or usage restrictions
- Add or remove third-party integrations
12.2 Notification
- Material changes will be communicated via email or Service notification
- Continued use constitutes acceptance of changes
13. Contact and Support
13.1 Contact Information
For questions, support, or concerns:
- Email: support@orbitalping.com
- Website: https://orbitalping.com/contact
13.2 Response Time
- We aim to respond to inquiries within 48-72 hours
- Support is provided on a best-effort basis
- No guaranteed response time or resolution
13.3 Bug Reports
- Please report bugs via email to support@orbitalping.com
- Security vulnerabilities should be reported privately to security@orbitalping.com
- Provide detailed information to help us resolve issues
14. Special Provisions
14.1 Educational Use
- Teachers and students may use the Service for educational purposes
- Bulk access for classroom use may require approval
- Contact us for educational partnerships
14.2 Research Use
- Researchers may use the Service for non-commercial research
- Proper attribution is required in publications
- Contact us for API access for research projects
14.3 Commercial Use
- Commercial use of the Service requires prior written permission
- Open source license terms apply to code usage
- Contact us for commercial licensing inquiries
15. Miscellaneous
15.1 Entire Agreement
These Terms, together with the Privacy Policy, constitute the entire agreement between you and OrbitalPing regarding the Service.
15.2 Severability
If any provision is found unenforceable, the remaining provisions remain in effect.
15.3 No Waiver
Failure to enforce any right or provision does not constitute a waiver of such right or provision.
15.4 Assignment
You may not assign these Terms without our prior written consent. We may assign these Terms to any party at any time.
15.5 Force Majeure
We are not liable for failures due to circumstances beyond our reasonable control, including:
- Natural disasters
- Acts of government
- Network or infrastructure failures
- Third-party service outages
16. Acknowledgments
16.1 Data Sources
We acknowledge and thank:
- CelesTrak for providing ISS TLE data
- Open-Meteo for weather data
- NASA for space imagery and data
- Skyfield library developers
- Open source community contributors
16.2 Technology Stack
This Service is built using industry-standard technologies and frameworks. All proprietary code and implementations remain confidential.
Acceptance
By using OrbitalPing ISS Tracker, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.
Effective Date: November 29, 2025
Version: 1.0
For the most current version of these Terms, please visit https://orbitalping.com/terms