Studying Close Approaches for a Cloud of Particles Considering Atmospheric Drag

Table 1

Amplitude of the dispersions for semi-major axis and eccentricity.

Figure	Ψ; (deg)	𝐽	No drag		With drag
			Δ𝑎	Δ𝑒	Δ𝑎	Δ𝑒
Figure 2	0	−1.3	0.27398	0.01378	0.40155	0.04336
		−1.0	0.04844	0.03052	0.14377	0.05914
Figure 3	45	−1.3	0.01231	0.00558	0.01820	0.01735
		−1.0	0.06168	0.00105	0.08655	0.00727
Figure 4	90	−1.3	0.00164	0.00180	0.00502	0.01627
		−1.0	0.06168	0.00105	0.08655	0.00727
Figure 5	135	−1.3	0.00380	0.00381	0.00952	0.02189
		−1.0	0.00357	0.00074	0.00428	0.00338
Figure 6	180	−1.3	0.03220	0.00117	0.03701	0.01684
		−1.0	0.04784	0.00245	0.08567	0.00675
Figure 7	225	−1.3	15.06492	0.01648	28.89744	0.04306
		−1.0	0.06267	0.02993	0.12365	0.04258
Figure 8	270	−1.3	0.01418	0.00616	0.26598	0.05998
		−1.0	0.00419	0.01809	0.01787	0.05396
Figure 9	315	−1.3	0.04569	0.01179	0.64335	0.06859
		−1.0	0.00359	0.01621	0.01966	0.06234