This question appears in Mumbai University > Satellite Communication and Network subject

Marks: 3 M

Year: May 2012

• The minimum inclination possible on initial launch is equal to the latitude of the launch site $(λ)$.

$i_{min}= λ$

• In Spherical right angled triangle ABC,

Using Napier’s rule:

$cos⁡i=cos⁡λ ∙sin⁡A_z$

To maximize cos⁡i , $sin⁡A_z=1$

$cos⁡ i_{min}= cos⁡λ$

$∴ i_{min}= λ$