[amsat-bb] Re: Five CubeSats altitude

[Trevor .]

Interesting chart, it suggests rate of decay is size/mass dependent. RAIKO which is a 2U CubeSat and was deployed 2nd is now higher than all the others.

73 Trevor M5AKA

--- On Sun, 28/10/12, Masahiro Arai <m-arai at a.email.ne.jp> wrote:

> From: Masahiro Arai <m-arai at a.email.ne.jp>
> Subject: [amsat-bb] Five CubeSats altitude
> To: amsat-bb at amsat.org
> Date: Sunday, 28 October, 2012, 13:43
> 
> I'm ploting altitude of five CubeSats which were deployed
> from ISS.
> The results is interesting. First deployment satellites are
> lower
> altitude than laters. I guess this is related to initial
> velocity at
> deployment.
> 
> First Deployment
>   deployment order: #1 WE WISH, #2 RAIKO
>   altitude: WE WISH < RAIKO
> 
> Second Deployment
>   deployment order: #1 TechEdSat,  #2 F1,  #3
> FITSAT-1
>   altitude: TechEdSat < F1 < FITSAT-1
> 
> I'm also ploating ARISSat-1 on the same chart as its time
> line align
> to the five CubeSats deployment date. The chart shows five
> CubeSats
> have large decay rate than ARISSat-1.
> 
> 
> You can see the chart on the following URL.
> 
> http://www.ne.jp/asahi/m-arai/gkz/5CubeSats_Altitude.png
> 
> 
> 
> 73
> 
> Masa  JN1GKZ      Tokyo Japna
> 
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