Re: Starlink 4 elset estimate

From: ronlee--- via Seesat-l <seesat-l_at_satobs.org>
Date: Thu, 13 Feb 2020 13:01:27 -0700
The first launch was Version 0.9 of the satellites.

Subsequent launches are version 1.0 of the satellites.

I wish they would renumber them starting with one for the first launch.


> Should we agree on one numbering scheme for Starlink launches, or should
> we not care because nobody is really confused by having two!?
>
> This is the 5th Starlink launch and will raise the total number of
> Starlink
> satellites to 300. Is it called "STARLINK 4" in Marco's TLE because the
> first launch carried 60 satellites that were experimental, non-production
> versions, and so that was "STARLINK 0"?
>
>
> T.S. Kelso just Tweeted, "Pre-launch SupTLEs for the fifth Starlink launch
> ("STARLINK-5") are now available on CelesTrak at
>
>      http://www.celestrak.com/NORAD/elements/supplemental/starlink-5.txt
>
> These are for the next planned launch attempt on Feb 15 at 1546 UTC."
>
>
> After launch, when things settle down, the objects' TLEs get names like
> "STARLINK-1175" which is, I assume, just an ascending count.
>
>
> SpaceX‚€™s press kits are no help, they just say "fourth launch" etc!
>
> Apologies if this has been hashed out already, or if it is a contentious
> subject ..
>
>> On Feb 13, 2020, at 8:45 AM, Marco Langbroek via Seesat-l
>> <seesat-l_at_satobs.org> wrote:
>>
>>
>> SpaceX expects to launch the 4th batch of 60 new Starlink satellites
>> from SLC-40
>> in Florida on Feb 15 at 15:46 UT
>>
>> Here is an estimated elset for the first few revolutions:
>>
>> STARLINK 4
>> 1 70000U 20999A   20046.65694445 0.00069181  00000-0  15681-3 0    03
>> 2 70000  53.0052 278.7576 0009048 332.8942  43.4811 15.96737629    04
>>
>> Time uncertainties can be up to 2-3 minutes.
>>
>> - Marco
>
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Received on Thu Feb 13 2020 - 14:02:07 UTC

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