TOWARDS STABLE ORBITING AROUND SMALL MOONS USING THE J2-PERTURBED ELLIPTIC-RESTRICTED THREE-BODY PROBLEM
-
- Chen, Hongru
- Department of Aeronautics and Astronautics, Kyushu University : Assistant Professor
-
- Hou, Xiyun
- School of Astronomy and Space Science, Nanjing University : Professor
-
- Bando, Mai
- Department of Aeronautics and Astronautics, Kyushu University : Professor
Description
Confirmed small-body missions such as the MMX and HERA are set to explore Martian moons and the binary asteroid Didymos’ moon, Dimorphos, respectively. The dynamics around these small moons differ substantially from those of previously visited targets. Simplified models, such as the circular-restricted three-body problem, cannot yield accurate predictions for orbits and stability in real-world operations. Orbits near these small moons are significantly perturbed by the planet’s oblateness and their relative positions. The unstable 3:1 resonance around a small moon further complicates orbit maintenance. To minimize perturbation resulting from model mismatch, this research introduces the “J2-ER3BP” model, which incorporates the J2 perturbation of the planet into the elliptic-restricted three-body problem. The approach to computing bounded orbits in this model is explained. Verification using a high-fidelity dynamical model and a realistic control environment suggests that the derived reference proximity orbits around Phobos and Dimorphos can be maintained with small difficulty and cost.
- Tweet
Details 詳細情報について
-
- CRID
- 1050299595812053504
-
- HANDLE
- 2324/7170856
-
- Text Lang
- en
-
- Article Type
- conference paper
-
- Data Source
-
- IRDB
