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astro-ph.IM2026
BlueBird 6 is Fainter than Block 1 Satellites
Anthony Mallama, Richard E. Cole
The mean apparent magnitude for BlueBird 6, the first Block 2 satellite of the BlueBird constellation, is 3.85 +/- 0.10 while that for Block 1 spacecraft is 3.30 +/- 0.07. So, Blue…
astro-ph.IM2026
The Impact of Space Debris on Optical Astronomy
Anthony Mallama, Sergey Karpov, Richard E. Cole
Photometric observations of space debris objects brighter than magnitudes 6.0, 7.0 and 8.0 are characterized. Those magnitudes pertain to different levels of interference with astr…
astro-ph.IM2026
Brightness Characterization and Modeling for Amazon Leo Satellites
Anthony Mallama, Richard E. Cole, Hui Zhi +4
The mean apparent magnitude of Amazon Leo satellites is 6.28 based on 1,938 observations. For spacecraft in their operational mode, 92% exceeded the brightness limit recommended by…