3 Year Resonance

Period (T) of Asteroid Orbit
T= 3 yr = 1,095.75 days 
Semimajor Axis (a)
a = ∛(T²) = 2.08 AU
Perihelion (q)
q = a - c
    Focus (c)
c = a - q
    c² = a² -2aq + q²  
Semiminor Axis (b)
b² = a² - c²  
b² = 2aq - q²  = q (2a - q)
b = √(q (2a - q))
Semi Latis Rectum (ℓ)
ℓ  = b² / a

q	b	ℓ
(AU)	(AU)	(AU)
0.2	0.89	0.38
0.4	1.23	0.72
0.6	1.46	1.03
0.8	1.64	1.29
1	1.78	1.52
1.2	1.88	1.71
1.4	1.97	1.86
1.6	2.02	1.97
1.8	2.06	2.04
2	2.08	2.08