TY - JOUR
T1 - Accuracy of meteor positioning from space- And ground-based observations
AU - Chen, Hongru
AU - Rambaux, Nicolas
AU - Vaubaillon, Jeremie
N1 - Funding Information:
We acknowledge the ESEP (Exploration Spatiale des Environnements Planetaires) postdoctoral fellowship, DIM ACAV+ Region Ilede-France, Janus CNES, and IDEX Sorbonne Universites for funding this research.
Funding Information:
Acknowledgements. We acknowledge the ESEP (Exploration Spatiale des Environnements Planétaires) postdoctoral fellowship, DIM ACAV+ Région Île-de-France, Janus CNES, and IDEX Sorbonne Universités for funding this research.
Publisher Copyright:
© H. Chen et al. 2020.
PY - 2020/10/1
Y1 - 2020/10/1
N2 - Aims. The knowledge of the orbits and origins derived from meteors is important for the study of meteoroids and of the early solar system. With an increase in nano-satellite projects dedicated to Earth observations or directly to meteor observations (e.g., the Meteorix CubeSat), we investigate the stereoscopic measurement of meteor positions using a pair of cameras, one deployed in space and one on the ground, and aim to understand the accuracy and the main driving factors. This study will reveal the requirements for system setups and the geometry favorable for meteor triangulation. Methods. This Letter presents the principle of the stereoscopic measurement from space and the ground, and an error analysis. Specifically, the impacts of the resolutions of the cameras, the attitude and orbit determination accuracy of the satellite, and the geometry formed by the moving target and observers are investigated. Results. To reach a desirable positioning accuracy of 1 km it is necessary to equip the satellite with high-accuracy sensors (e.g., star tracker and GPS receiver) to perform fine attitude and orbit determination. The best accuracy can occur when the target is at an elevation of 30° with respect to the ground station.
AB - Aims. The knowledge of the orbits and origins derived from meteors is important for the study of meteoroids and of the early solar system. With an increase in nano-satellite projects dedicated to Earth observations or directly to meteor observations (e.g., the Meteorix CubeSat), we investigate the stereoscopic measurement of meteor positions using a pair of cameras, one deployed in space and one on the ground, and aim to understand the accuracy and the main driving factors. This study will reveal the requirements for system setups and the geometry favorable for meteor triangulation. Methods. This Letter presents the principle of the stereoscopic measurement from space and the ground, and an error analysis. Specifically, the impacts of the resolutions of the cameras, the attitude and orbit determination accuracy of the satellite, and the geometry formed by the moving target and observers are investigated. Results. To reach a desirable positioning accuracy of 1 km it is necessary to equip the satellite with high-accuracy sensors (e.g., star tracker and GPS receiver) to perform fine attitude and orbit determination. The best accuracy can occur when the target is at an elevation of 30° with respect to the ground station.
UR - http://www.scopus.com/inward/record.url?scp=85093685738&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85093685738&partnerID=8YFLogxK
U2 - 10.1051/0004-6361/202039014
DO - 10.1051/0004-6361/202039014
M3 - Article
AN - SCOPUS:85093685738
VL - 642
JO - Astronomy and Astrophysics
JF - Astronomy and Astrophysics
SN - 0004-6361
M1 - L11
ER -