From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.lang.hm (unknown [66.167.227.145]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id A48AB3B29D for ; Fri, 7 Jul 2023 02:02:17 -0400 (EDT) Received: from dlang-mobile (unknown [10.2.2.69]) by mail.lang.hm (Postfix) with ESMTP id 43EC019BEC6; Thu, 6 Jul 2023 23:02:15 -0700 (PDT) Date: Thu, 6 Jul 2023 23:02:15 -0700 (PDT) From: David Lang To: blakangel@gmail.com cc: David Lang , Daniel AJ Sokolov , starlink@lists.bufferbloat.net In-Reply-To: <32d09d76-7aa6-a469-9539-d02a9fa9c7f3@gmail.com> Message-ID: References: <114eabbd-cf5b-1c08-8226-fbf53455d9ea@falco.ca> <6p3296pr-96n3-8p77-ps68-25155r16o365@ynat.uz> <32d09d76-7aa6-a469-9539-d02a9fa9c7f3@gmail.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="228850167-584000533-1688709735=:3831" Subject: Re: [Starlink] orbital maneuvers 12 per sat in the last 6 months X-BeenThere: starlink@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Starlink has bufferbloat. Bad." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Jul 2023 06:02:17 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --228850167-584000533-1688709735=:3831 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8BIT 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 > > --228850167-584000533-1688709735=:3831--