1. Correction: Chaotic coexistence of librational and rotational dynamics in the averaged planar three-body problem

   • Sara Di Ruzza

   Correction Open access 07 August 2023 Article: 45

2. An investigation on space debris of unknown origin using proper elements and neural networks

   • Di Wu
   • Aaron J. Rosengren

   Research Open access 25 July 2023 Article: 44

   

3. On mean elements in artificial-satellite theory

   • Martin Lara

   Original Article Open access 23 July 2023 Article: 43

   

4. Relegation-free closed-form perturbation theory and the domain of secular motions in the restricted three-body problem

   • Mattia Rossi
   • Christos Efthymiopoulos

   Original Article Open access 17 July 2023 Article: 42

   

5. Framework for the full N-body problem in SE(3) and its reduction to the circular restricted full three-body problem

   • Morad Nazari
   • David Canales
   • Kathleen Howell

   Original Article 10 July 2023 Article: 41

   

6. Hamiltonian reduction through explicit canonical transformations and resonant canonical variables

   • Vladimir Martinusi

   Original Article 03 July 2023 Article: 40

   

7. Chaotic coexistence of librational and rotational dynamics in the averaged planar three-body problem

   • Sara Di Ruzza

   Original Article Open access 30 June 2023 Article: 39

   

8. PETREL19: a new numerical solution of planetary and lunar ephemeris

   • Wei Tian

   Original Article 20 June 2023 Article: 38

   

9. Theory and applications of fast Lyapunov indicators to model problems of celestial mechanics

   • Massimiliano Guzzo
   • Elena Lega

   Original Article 19 June 2023 Article: 37