Dynamics around small irregularly shaped objects modeled as a mass dipole
2024

Dynamics of Spacecraft Near Irregularly Shaped Objects

publication Evidence: moderate

Author Information

Author(s): Abozaid Ahmed A., Radwan M., Ibrahim A. H., Bakry A.

Primary Institution: Al-Azhar University, Cairo, Egypt

Hypothesis

How do the dynamics of a spacecraft change when influenced by two primary bodies, one of which is modeled as an irregular mass dipole?

Conclusion

The study found that the existence and locations of equilibrium points for a spacecraft are significantly affected by the system parameters, and some stable collinear points were identified.

Supporting Evidence

  • The gravitational potential of the elongated body is determined by four independent parameters.
  • Stable collinear points were found when the oblateness parameter is negative.
  • The study used curves of zero velocity to identify regions of allowed motion.

Takeaway

This study looks at how spacecraft move near oddly shaped objects in space, like asteroids, and finds that their paths can change based on the object's shape.

Methodology

The study constructed equations of motion for a spacecraft influenced by two primary bodies, analyzing equilibrium points and their stability under various parameters.

Limitations

The model may not account for all perturbations affecting spacecraft dynamics in real scenarios.

Digital Object Identifier (DOI)

10.1038/s41598-024-61821-w

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