Fig. 1. Relative position of rocket debris and observatory

Fig. 2. Simulated range residuals and related angles. (a) Simulated range residuals; (b) simulated angle between laser and body axis and that between tumbling axis and body axis

Fig. 3. Measured data of Soyuz rocket debris

Fig. 4. Lomb periodogram of measured data

Fig. 5. Residuals without trend and its histogram. (a) Residuals without trend; (b) histogram of residuals

Fig. 6. Histogram of simulated data

Fig. 7. Histogram of simulated data

Fig. 8. Measured data and simulated envelopes

Fig. 9. Angle between laser and tumbling axis