Re: Final trajectory (Re: 2021-035B decay estimates)

From: Bob Christy via Seesat-l <seesat-l_at_satobs.org>
Date: Mon, 10 May 2021 12:13:13 +0000
The point I was making is that nothing has changed.

Robert Christy

> On 10 May 2021, at 11:33, Marco Langbroek <marco_at_langbroek.org> wrote:
> 
> ´╗┐Op 10-5-2021 om 10:41 schreef Bob Christy via Seesat-l:
> 
>> Half way between then and now is December 2012. The median date of the list is Jan 2013. The "SBIRS era" started about the same time.
> 
> 
> Well, before SBIRS there was DSP of course. Starting in the mid-1990-ies, the US
> DoD started to share DSP detections of meteoric fireballs with astronomers
> researching meteoric fireballs. First occasionally, now rather routinely (see
> https://cneos.jpl.nasa.gov/fireballs/).
> 
> - Marco
> 
> 
> -----
> Dr Marco Langbroek  -  SatTrackCam Leiden, the Netherlands.
> e-mail: sattrackcam_at_langbroek.org
> 
> launchtower:    http://launchtower.langbroek.org
> Station (b)log: http://sattrackcam.blogspot.com
> Twitter:        _at_Marco_Langbroek
> -----


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Received on Mon May 10 2021 - 07:14:01 UTC

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