Path: csiph.com!feeder.erje.net!2.eu.feeder.erje.net!news.etla.org!nntp-feed.chiark.greenend.org.uk!ewrotcd!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Sylvia Else Newsgroups: sci.physics Subject: Re: How do you follow a star? Date: Mon, 26 Dec 2016 11:40:01 +1100 Lines: 13 Message-ID: References: <63b3f177-1261-4a93-ad19-7d6d37a02a2e@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net TkTbJPr4nO4AvbDgDeFIWAynYy8MEx/5CyLmR9aPF4dWXmyhTF Cancel-Lock: sha1:LT0j5omthNaa23R5K2LcomQqm4E= User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 In-Reply-To: Xref: csiph.com sci.physics:610370 On 26/12/2016 6:20 AM, Yuri Kreaton wrote: > what is the orbiting altitude of a geosecrynous sattilite such that it > can guide 3 Wise Men with good telescopes (1 degree error), to with 10 > mile of a place on the earth ? I think you've been watching too much television. All geosynchronous satellites orbit at the same altitude. They have to. There's no choice in the matter. They're also all in equatorial orbits. Sylvia.