Re: Updated elset NROL-101 Centaur RB

From: Jonathan McDowell via Seesat-l <seesat-l_at_satobs.org>
Date: Mon, 23 Nov 2020 15:52:29 -0500
Also, the 25 year requirement applies to LEO, not the high MEO orbit
NROL-101 went to

On Mon, 23 Nov 2020 at 15:05, Michael R Thompson via Seesat-l <
seesat-l_at_satobs.org> wrote:

> Hi Daniel,
>
> Good question.  There's a waiver process that national security launches
> can go through to not abide by these requirements.  There was a really
> interesting paper at the AMOS conference this year that talked about how
> often these waivers were requested/granted if you're interested.
>
> https://amostech.com/TechnicalPapers/2020/Orbital-Debris/Verspieren.pdf
>
> Thanks,
> Michael
> ________________________________
> From: Seesat-l <seesat-l-bounces+thomp376=purdue.edu_at_satobs.org> on
> behalf of Daniel Schultz via Seesat-l <seesat-l_at_satobs.org>
> Sent: Monday, November 23, 2020 2:48 PM
> To: seesat-l_at_satobs.org <seesat-l_at_satobs.org>
> Subject: Re: Updated elset NROL-101 Centaur RB
>
> Is there any requirement on NRO to ensure that spent rocket bodies are
> de-orbited promptly?  I have to prove that my Cubesats will burn up within
> 25
> years, but apparently it is OK for larger spent rockets to stay up for much
> longer. Most of the GTO launches of the past decade still have their upper
> stages in elliptical orbit. I will be interested to see how long this RB
> lasts
> (probably longer than I have left).
>
> Dan Schultz N8FGV
>
>
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Received on Mon Nov 23 2020 - 14:54:42 UTC

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