5 papers · 1 filter
Assessing Collision Probability in Low-Thrust Deorbit
Shuta Fukii, Daisuke Sakai, Yasuhiro Yoshimura +4
End-of-life support of satellites is necessary to improve post-mission-disposal compliance rates for maintaining space environment. Deorbit mission with low thrust, e.g. a laser, i…
Adaptive Relative Orbit Control Considering Laser Ablation Uncertainty
Shun Isobe, Yasuhiro Yoshimura, Toshiya Hanada +2
This study proposes a relative orbit control law for laser debris removal missions considering the uncertainties of laser ablation and atmospheric drag. A removal spacecraft irradi…
Attitude Estimation from Photometric Data using Gaussian Process Regression
Ryui Hara, Yasuhiro Yoshimura, Toshiya Hanada
The rapid growth of resident space objects in Earth's orbit has intensified the need for advanced space situational awareness and space domain awareness to manage satellite traffic…
Improving Observability of Relative Orbit Estimation Using Bearing Measurements and Light Curves
Yasuhiro Yoshimura, Toshiya Hanada
Relative orbit estimation using optical observations is a key technology for on-orbit servicing missions. In the far-range phase, the target appears as an unresolved point source,…
Adaptive Attitude Estimation for Multiple-Surface Object Using Light Curve Glints
Yasuhiro Yoshimura, Toshiya Hanada
Light curve inversion enables the estimation of orbit, attitude, optical properties, and shape of space objects. Because a light curve is the temporal evolution of a scalar apparen…