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Modeling of Resident Space Object Light Curves with Blender Software

Viktor Kudak

Viktor Kudak

Uzhhorod National University, Space Research LaboratoryUzhhorod, Ukraine
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Kudak, Viktor
, 
Vasyl Perig

Vasyl Perig

Uzhhorod National University, Space Research LaboratoryUzhhorod, Ukraine
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Perig, Vasyl
, 
Viktor Dzhumelia

Viktor Dzhumelia

Uzhhorod National University, Space Research LaboratoryUzhhorod, Ukraine
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Dzhumelia, Viktor
 et 
Oleksandr Kryoka

Oleksandr Kryoka

Uzhhorod National University, Space Research LaboratoryUzhhorod, Ukraine
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Kryoka, Oleksandr
  
06 juil. 2024
Modeling of Resident Space Object Light Curves with Blender Software's Cover Image
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Publié en ligne: 06 juil. 2024
Pages: 42 - 54
Reçu: 04 janv. 2024
Accepté: 14 mai 2024
DOI: https://doi.org/10.2478/arsa-2024-0003
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© 2024 Viktor Kudak et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

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.
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
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.
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.

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.
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
Results of the MCMC sampling of Topex/Poseidon LC, displayed in the form of the corner plot

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 9.86−0.01+0.01 9.86_{ - 0.01}^{ + 0.01} 40.5
Spin Period phase (°) 130 68.02−13.12+75.07 68.02_{ - 13.12}^{ + 75.07} 2
Precession period (sec) 870 688.56−175.29+85.10 688.56_{ - 175.29}^{ + 85.10} 1620
Precession phase (°) 321 198.15−18.88+22.31 198.15_{ - 18.88}^{ + 22.31} 347
Precession angle (°) 33 35.18−15.46+2.91 35.18_{ - 15.46}^{ + 2.91} 7
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