Development of a Landing Mechanism for Asteroids with Soft Surface

Table 4

Statistic analyses of natural frequency and maximum accelerations.

	Natural frequency (Hz)		Maximum acceleration (g)
	Modal analysis	Spectrum analysis	𝑉𝑣=0.41 m/s	𝑉𝑣=0.75 m/s	𝑉𝑣=1.17 m/s
Sensor 1	37 (mode 7); 65 (mode 9); 100 (mode 15)	35, 100	1.27	2.2	3.7
Sensor 2	28 (mode 6); 65 (mode 9)	35, 70	8.8	26.9	17.9
Sensor 3	28 (mode 6); 37 (mode 7); 65 (mode 9)	35	2.41	1.2	7.5
Sensor 4	65 (mode 9)	70	0.47	0.78	1.64