Re: [Starlink] orbital maneuvers 12 per sat in the last 6 months

[David Lang <david@lang.hm>]

[-- Attachment #1: Type: text/plain, Size: 2254 bytes --]

they have been filling shells (altitude sets), so it makes sense for the numbers 
to have been going up.

we'll have to see if they keep going up as much as they move on to different 
altitude shells.

David Lang

On Thu, 6 Jul 2023, blakangel@gmail.com wrote:

> I think the main point of the article is that the amount of maneuvers needed 
> is currently increasing exponentially: "It's been doubling every six months, 
> and the problem with exponential trends is that they get to very large 
> numbers very quickly." I'm wondering if they are not taking into account the 
> massive amount of satellites that have been launched since the previous six 
> month report.
>
> I found the semi-annual reports filed w/ the fcc: 
> https://licensing.fcc.gov/myibfs/download.do?attachment_key=23204343 and 
> https://licensing.fcc.gov/myibfs/download.do?attachment_key=23204338 for gen 
> 1 and gen 2 constellations.
>
> Still reading them and haven't found the older ones yet to compare.
>
>
> David Lang via Starlink wrote on 7/6/2023 9:49 PM:
>
>> some people are assuming that more satellites launched will mean more 
>> maneuvers needed (not recognizing that what matters is only the things at 
>> the same altitude)
>> 
>> plus, it's a scary large number :-)
>> 
>> David Lang
>> 
>>  On Thu, 6 Jul 2023, Daniel AJ Sokolov via Starlink wrote:
>> 
>>> On 7/6/23 17:54, Dave Taht via Starlink wrote:
>>>> 
>>> https://www.space.com/starlink-satellite-conjunction-increase-threatens-space-sustainability 
>>>> 
>>>> I am under the impression that each sat is capable of about 500 over
>>>> the satellite's lifetime. I am curious as to what they are avoiding.
>>> 
>>> Assuming your number of 500 is correct, I don't see any worry here. 12 
>>> moves in 6 months makes 492 in 20.5 years. That is less than 500 and 
>>> beyond the lifetime expectation of the satellite anyway.
>>> 
>>> A I missing something?
>>> Daniel AJ
>>> _______________________________________________
>>> Starlink mailing list
>>> Starlink@lists.bufferbloat.net
>>> https://lists.bufferbloat.net/listinfo/starlink
>>> 
>> _______________________________________________
>> Starlink mailing list
>> Starlink@lists.bufferbloat.net
>> https://lists.bufferbloat.net/listinfo/starlink
>
>