CEAS EuroGNC 2026
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Orbita: A Novel Space Simulation Framework and its Application to Vision-Based Attitude Control in Close-Proximity Operations
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| Joaquin G. Lopez-Cepero |
Co-Founder, Hisperion Aerospace S.L., Seville, Spain. | | Jose Antonio Rebollo |
Co-Founder, Hisperion Aerospace S.L., Seville, Spain. | | Javier Urrios |
Co-Founder, Hisperion Aerospace S.L., Seville, Spain. |
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| Abstract:
This paper presents Orbita, a novel space simulation framework designed for the holistic modeling and validation of spacecraft dynamics, sensing, and control. Unlike existing approaches that decouple orbital dynamics from visual perception, Orbita integrates high-fidelity propagation, synthetic image generation, vision-based navigation, and closed-loop control into a unified software-in-the-loop environment. To demonstrate its capabilities, a Line-of-Sight tracking problem is solved using inputs from an onboard camera. We design, implement and validate a deterministic computer vision pipeline, a modified Multiplicative Extended Kalman Filter for relative attitude estimation, and a Lyapunov-based Backstepping controller for vision-guided spacecraft pointing. A representative case study involving two CubeSats in close-proximity operations is considered, assessing the effect of attitude perturbations on the overall system performance.
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| Keywords: Space simulation; Software-in-the-loop; Computer-vision; Attitude control; Close-proximity operations; Relative navigation |
 View PDF CEAS-GNC-2026-084 doi: 10.82124/CEAS-GNC-2026-084 |
| Joaquin G. Lopez-Cepero, Jose Antonio Rebollo, Javier Urrios: Orbita: A Novel Space Simulation Framework and its Application to Vision-Based Attitude Control in Close-Proximity Operations. Proceedings of the 2026 CEAS EuroGNC conference. Madrid, Spain. May 2026. doi: 10.82124/CEAS-GNC-2026-084.
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| BibTeX entry (UTF-8):
@Incollection{CEAS-GNC-2026-084,
author = {Lopez-Cepero, Joaquin G. and Rebollo, Jose Antonio and Urrios, Javier},
title = {Orbita: A Novel Space Simulation Framework and its Application to Vision-Based Attitude Control in Close-Proximity Operations},
booktitle = {Proceedings of the 2026 {CEAS EuroGNC} conference},
address = {Madrid, Spain},
month = may,
year = {2026},
doi = {10.82124/CEAS-GNC-2026-084}
}
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