Hi David,

Yes 5 years sounds about right for 500km, but the Primary Payload mission objective lifetime is only 3 years and I guess they do need the low orbit to acheive their imaging requirements.

73 Trevor M5AKA

--- On Sun, 20/9/09, [email protected] [email protected] wrote:

From: [email protected] [email protected] Subject: [amsat-bb] SumbandilaSat @ 500k To: [email protected] Date: Sunday, 20 September, 2009, 11:20 PM

Hmmm.

81kg     1000mm x 500mm  / 500km  altitude  / High solar activity......

It will not be up there for too long.

5 years ish  ??

David

In a message dated 20/09/2009 21:59:13 GMT Standard Time, [email protected]

writes:

Pieters  email on AMSAT-BB indicates SumbandilaSat would be dropped off at 500 km, see

http://www.amsat.org/amsat/archive/amsat-bb/200901/msg04633.html

73 Trevor M5AKA