Figure 1.
Example of loaded Blender scene with an RSO model.
The size of RSO increased by 100x and studio lights were added for visualization.
Figure 2.
3D model of satellite COSMOS 2502 satellite (right), Topex/Poseidon satellite (left) visualized in Blender software
Figure 3.
Observed and synthetic LCs generated with Blander software manually.
Top – Topex/Poseidon (observed Aug 02, 2020), bottom – COSMOS 2502 (observed Jun 29, 2023), and their residuals.
Table 1.
Parameters of selected RSO rotation defined from manual fitting of 3D model to the observed LCs
| Parameter | Topex/Poseidon Manual Fit | Topex/Poseidon MCMC Fit | COSMOS 2502 Manual Fit |
|---|---|---|---|
| Spin Period (sec) | 9.85 | 40.5 | |
| Spin Period phase (°) | 130 | 2 | |
| Precession period (sec) | 870 | 1620 | |
| Precession phase (°) | 321 | 347 | |
| Precession angle (°) | 33 | 7 |
Figure 4.
Observed and synthetic LCs (generated with the MCMC method) of satellite TOPEX/Poseidon (NORAD 22076) R filter on the upper figure. The observation was made on Aug 02, 2020. Residuals between these two LCs on the bottom figure.
Figure 5.
Results of the MCMC sampling of Topex/Poseidon LC, displayed in the form of the corner plot