activity
20202026
most citedA Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15-1.73 GHz

36 citations · 117 across the 15 of their papers we have counts for

collaborators

17 papers

eess.SY2026

High-Fidelity Baseline Design and Station Keeping Analyses for Earth-Moon Vertical Orbits

Derek Phung, Yuri Shimane

Earth-Moon vertical orbits are periodic solutions of the circular restricted three-body problem (CR3BP) with substantial out-of-plane motion, considered for high-latitude lunar obs…

astro-ph.IM2026

A practical guide to implementing zero-order-hold interplanetary trajectory legs

Dario Izzo, Harry Holt, Giacomo Acciarini +2

We study the practical implementation of zero-order-hold (ZOH) transcriptions for spacecraft trajectory optimisation, identifying a set of design principles that render them robust…

eess.SY2026

Optimization-Based Formation Flight on Libration Point Orbits

Yuri Shimane, Purnanand Elango, Avishai Weiss

A model predictive control (MPC) framework is developed for station-keeping in spacecraft formation flight along libration point orbits. At each control period, the MPC policy solv…

eess.SY2025

Autonomous Navigation and Station-Keeping on Near-Rectilinear Halo Orbits

Yuri Shimane, Karl Berntorp, Stefano Di Cairano +1

This article develops an optical navigation (OPNAV) and station-keeping pipeline for the near-rectilinear halo orbit (NRHO) in high-fidelity ephemeris model dynamics, using synthet…

math.OC2025

Multi-Vehicle Guidance for Formation Flight on Libration Point Orbits

Yuri Shimane, Purnanand Elango, Avishai Weiss

The multiple spacecraft guidance problem for proximity flight in libration point orbit is considered. A nonlinear optimal control problem with continuous-time path constraints enfo…

eess.SY2025★ 1 cited

Revolution-Spaced Output-Feedback Model Predictive Control for Station Keeping on Near-Rectilinear Halo Orbits

Yuri Shimane, Stefano Di Cairano, Koki Ho +1

We develop a model predictive control (MPC) policy for station keeping on a Near-Rectilinear Halo Orbit (NRHO). The proposed policy achieves full-state tracking of a reference NRHO…

astro-ph.EP2024★ 9 cited

Asteroid Mining: ACT&Friends' Results for the GTOC 12 Problem

Dario Izzo, Marcus Märtens, Laurent Beauregard +8

In 2023, the 12th edition of Global Trajectory Competition was organised around the problem referred to as "Sustainable Asteroid Mining". This paper reports the developments that l…

math.OC2024★ 9 cited

Cislunar Space Situational Awareness Constellation Design and Planning with Facility Location Problem

Yuri Shimane, Kento Tomita, Koki Ho

Driven by the surmounting interest for dedicated infrastructure in cislunar space, this work considers the satellite constellation design for cislunar space situational awareness (…

math.OC2024★ 4 cited

Generalizing Space Logistics Network Optimization with Integrated Machine Learning and Mathematical Programming

Koki Ho, Yuri Shimane, Masafumi Isaji

Recent growing complexity in space missions has led to an active research field of space logistics and mission design. This research field leverages the key ideas and methods used…

nlin.CD2024

Sensitivity Analysis of Separation Time Along Weak Stability Boundary Transfers

Isabel Nolton, Kento Tomita, Yuri Shimane +1

This study analyzes the sensitivity of the dynamics around Weak Stability Boundary Transfers (WSBT) in the elliptical restricted three-body problem. With WSBTs increasing popularit…

math.OC2023★ 11 cited

Cislunar Satellite Constellation Design Via Integer Linear Programming

Malav Patel, Yuri Shimane, Hang Woon Lee +1

Cislunar space domain awareness is of increasing interest to the international community as Earth-Moon traffic is projected to increase, which raises the problem of placing space-b…

eess.SY2023

Multi-Spacecraft Predictive Sensor Tasking for Cislunar Space Situational Awareness

Kento Tomita, Yuri Shimane, Koki Ho

This paper delves into the predictive sensor tasking algorithm for the multi-observer, multi-target sensor setting, leveraging the Extended Information Filter (EIF). Conventional p…

physics.space-ph2023★ 33 cited

Optimizing Multi-Spacecraft Cislunar Space Domain Awareness Systems via Hidden-Genes Genetic Algorithm

Lois Visonneau, Yuri Shimane, Koki Ho

This paper proposes an optimization problem formulation to tackle the challenges of cislunar Space Domain Awareness (SDA) through multi-spacecraft monitoring. Due to the large volu…

eess.SY2023★ 10 cited

Orbital Facility Location Problem for Satellite Constellation Servicing Depots

Yuri Shimane, Nick Gollins, Koki Ho

This work proposes an adaptation of the Facility Location Problem for the optimal placement of on-orbit servicing depots for satellite constellations in high-altitude orbit. The hi…

cs.AI2022★ 4 cited

The Fellowship of the Dyson Ring: ACT&Friends' Results and Methods for GTOC 11

Marcus Märtens, Dario Izzo, Emmanuel Blazquez +7

Dyson spheres are hypothetical megastructures encircling stars in order to harvest most of their energy output. During the 11th edition of the GTOC challenge, participants were tas…

math.OC2021

On-Orbit Servicing Optimization Framework with High- and Low-Thrust Propulsion Tradeoff

Tristan Sarton du Jonchay, Hao Chen, Masafumi Isaji +2

This paper proposes an on-orbit servicing logistics optimization framework that is capable of performing the short-term operational scheduling and long-term strategic planning of s…

astro-ph.EP2020★ 36 cited

A Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15-1.73 GHz

Jean-Luc Margot, Pavlo Pinchuk, Robert Geil +37

We conducted a search for technosignatures in April of 2018 and 2019 with the L-band receiver (1.15-1.73 GHz) of the 100 m diameter Green Bank Telescope. These observations focused…