Angles-Only Relative Orbit Determination in Low Earth Orbit
| Autor: | Jean-Sébastien Ardaens, Gabriella Gaias |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
angles-only navigation
Atmospheric Science orbit determination formation flying Aerospace Engineering 02 engineering and technology Formation-flying 01 natural sciences 0203 mechanical engineering noncooperative rendezvous 0103 physical sciences Metre Visibility 010303 astronomy & astrophysics Remote sensing 020301 aerospace & aeronautics Rendezvous Astronomy and Astrophysics Ranging flight demonstration Identification (information) Geophysics Geography Space and Planetary Science Orbit (dynamics) General Earth and Planetary Sciences Satellite active debris removal Relative orbit |
| Popis: | The paper provides an overview of the angles-only relative orbit determination activities conducted to support the Autonomous Vision Approach Navigation and Target Identification (AVANTI) experiment. This in-orbit endeavor was carried out by the German Space Operations Center (DLR/GSOC) in autumn 2016 to demonstrate the capability to perform spaceborne autonomous close-proximity operations using solely line-of-sight measurements. The images collected onboard have been reprocessed by an independent on-ground facility for precise relative orbit determination, which served as ultimate instance to monitor the formation safety and to characterize the onboard navigation and control performances. During two months, several rendezvous have been executed, generating a valuable collection of images taken at distances ranging from 50 km to only 50 m. Despite challenging experimental conditions characterized by a poor visibility and strong orbit perturbations, angles-only relative positioning products could be continuously derived throughout the whole experiment timeline, promising accuracy at the meter level during the close approaches. The results presented in the paper are complemented with former angles-only experience gained with the PRISMA satellites to better highlight the specificities induced by different orbits and satellite designs. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|