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2026
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| Online Access: | https://doi.org/10.5281/zenodo.19455376 |
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| _version_ | 1866902149191958528 |
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| author | Tare, Ishan |
| author_facet | Tare, Ishan |
| contents | <h2> Highlights</h2> <p>This release marks a significant enhancement to the <strong>ASTRA-Core</strong> engine, focusing on mission-critical accuracy, authenticated data acquisition, and high-performance orbital mechanics.</p> <ul> <li><strong>Unified Data Ingestion</strong>: A robust pipeline supporting both TLE and CCSDS <strong>OMM</strong> formats.</li> <li><strong>Authenticated Fetchers</strong>: Integrated <strong>Space-Track</strong> and <strong>CelesTrak</strong> modules with session management.</li> <li><strong>High-Fidelity Propagator</strong>: Cowell numerical integration (RK8/7) featuring J₂–J₄ gravity, empirical atmospheric drag, and <strong>Solar Radiation Pressure (SRP)</strong> with cylindrical Earth umbra.</li> <li><strong>Conjunction Analysis</strong>: cKDTree-accelerated spatial screening and multiple <strong>Probability of Collision (P_c)</strong> estimation methods (Analytical and Monte Carlo).</li> <li><strong>Strict Compliance</strong>: New <code>ASTRA_STRICT_MODE</code> to enforce data-integrity checks for flight-safety applications.</li> </ul> <h2> What's Changed</h2> <ul> <li><strong>Physics Hardening</strong>: Corrected J4 perturbation sign and integrated precise SRP shadowing logic.</li> <li><strong>Time Systems</strong>: Standardized UT1-UTC calculations for sub-meter frame transformation accuracy.</li> <li><strong>Performance</strong>: Massive reduction in conjunction screening latency using spatial indexing.</li> <li><strong>Documentation</strong>: Full Sphinx documentation suite launched on Read the Docs.</li> <li><strong>CDM Support</strong>: Parsing for Conjunction Data Messages (CDM) using <code>defusedxml</code>.</li> </ul> <h2>⚠️ Upgrade Notes (v3.2.x -> v3.3.0)</h2> <ul> <li><strong>Visualization</strong>: Trajectory plotting now requires an optional extra: <code>pip install "astra-core-engine[viz]"</code> (or <code>plotly>=5.18</code>).</li> <li><strong>Dependencies</strong>: Core installation now excludes heavy visualization libraries to keep the footprint minimal for CI/CD environments.</li> </ul> <p><em>For a detailed breakdown of the physical models and design philosophy, refer to the <a href="https://github.com/ISHANTARE/ASTRA/blob/main/KNOWMORE.md">KNOWMORE.md</a> or the official project documentation.</em></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_19455376 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | ASTRA: Autonomous Space Traffic Risk Analyzer Tare, Ishan <h2> Highlights</h2> <p>This release marks a significant enhancement to the <strong>ASTRA-Core</strong> engine, focusing on mission-critical accuracy, authenticated data acquisition, and high-performance orbital mechanics.</p> <ul> <li><strong>Unified Data Ingestion</strong>: A robust pipeline supporting both TLE and CCSDS <strong>OMM</strong> formats.</li> <li><strong>Authenticated Fetchers</strong>: Integrated <strong>Space-Track</strong> and <strong>CelesTrak</strong> modules with session management.</li> <li><strong>High-Fidelity Propagator</strong>: Cowell numerical integration (RK8/7) featuring J₂–J₄ gravity, empirical atmospheric drag, and <strong>Solar Radiation Pressure (SRP)</strong> with cylindrical Earth umbra.</li> <li><strong>Conjunction Analysis</strong>: cKDTree-accelerated spatial screening and multiple <strong>Probability of Collision (P_c)</strong> estimation methods (Analytical and Monte Carlo).</li> <li><strong>Strict Compliance</strong>: New <code>ASTRA_STRICT_MODE</code> to enforce data-integrity checks for flight-safety applications.</li> </ul> <h2> What's Changed</h2> <ul> <li><strong>Physics Hardening</strong>: Corrected J4 perturbation sign and integrated precise SRP shadowing logic.</li> <li><strong>Time Systems</strong>: Standardized UT1-UTC calculations for sub-meter frame transformation accuracy.</li> <li><strong>Performance</strong>: Massive reduction in conjunction screening latency using spatial indexing.</li> <li><strong>Documentation</strong>: Full Sphinx documentation suite launched on Read the Docs.</li> <li><strong>CDM Support</strong>: Parsing for Conjunction Data Messages (CDM) using <code>defusedxml</code>.</li> </ul> <h2>⚠️ Upgrade Notes (v3.2.x -> v3.3.0)</h2> <ul> <li><strong>Visualization</strong>: Trajectory plotting now requires an optional extra: <code>pip install "astra-core-engine[viz]"</code> (or <code>plotly>=5.18</code>).</li> <li><strong>Dependencies</strong>: Core installation now excludes heavy visualization libraries to keep the footprint minimal for CI/CD environments.</li> </ul> <p><em>For a detailed breakdown of the physical models and design philosophy, refer to the <a href="https://github.com/ISHANTARE/ASTRA/blob/main/KNOWMORE.md">KNOWMORE.md</a> or the official project documentation.</em></p> |
| title | ASTRA: Autonomous Space Traffic Risk Analyzer |
| url | https://doi.org/10.5281/zenodo.19455376 |