Hi All Amateur observers using radio and confirmation from visual observers have made some awesome observations of Tianwen 1. https://destevez.net/2020/07/tracking-tianwen-1s-orbit-to-mars/ https://destevez.net/2020/07/tracking-tianwen-1s-orbit-to-mars-part-ii/ I offer this to the list as it's inspiring work. Regards, Scott Tilley On 2020-07-25 6:54 p.m., Scott Tilley via Seesat-l wrote: > A group of amateurs are tracking Tianwen 1 on X-band. > > https://twitter.com/df2mz/status/1287012706558578689 > > Using their timed positional observations a solar orbit should be able > to be obtained at some point. Perhaps this software could be used. > > https://www.projectpluto.com/find_orb.htm > > Regards, > > Scott Tilley > > > On 2020-07-25 4:07 p.m., Michael R Thompson via Seesat-l wrote: >> Hi Denise, >> >> Based on the ephemerides for the departure located here: >> https://www.projectpluto.com/pluto/mpecs/tianwea.htm >> >> From the view of Pensacola, Tianwen 1 would have indeed passed >> through the southern part of Aquarius shortly after the injection >> burn on July 23rd. >> >> My knowledge of satellites is orders of magnitude better than that of >> astronomy, but if I'm identifying the stars in the image correctly, >> I'd say it's a good match for shortly after 6:00 UTC. >> >> I'll also say r.e. speculation on the forum, the TLEs aren't being >> withheld due to any sort of political reasons, TLEs just aren't made >> to describe ephemerides for non-Earth orbiting objects. >> >> Thanks, >> Michael >> ________________________________ >> From: Seesat-l <seesat-l-bounces+thomp376=purdue.edu_at_satobs.org> on >> behalf of Denise Moser via Seesat-l <seesat-l_at_satobs.org> >> Sent: Saturday, July 25, 2020 5:42 PM >> To: SeeSat-L_at_satobs.org <SeeSat-L_at_satobs.org> >> Subject: Likely Tieanwen-1 fuel dump observed. >> >> I was wondering whether anyone here could move that from likely to >> probable. >> >> I didn't observe it, but someone posting in my astronomy society (Kansas >> City) group posted an image locally and someone in Pensacola posted >> it on >> Cloudy Nights. >> https://www.cloudynights.com/topic/719018-what-in-the-world-did-i-see-in-aquarius-tonight/?hl=%2Bfuel+%2Bdump#entry10362428 >> >> No TLEs available, even though it has been designated 2020-49A & B & >> ? and >> 45935 per wikipedia. >> I found some radio guys and a British observatory twittering about >> it--including images of simliar from the Emirates Mars Mission. Then >> one by >> Bill Gray (on this list!) leading me to a simulation that I can't quite >> run--I'll have to work on that. Still it has rekindled my interest >> in the >> satellites! >> _______________________________________________ >> Seesat-l mailing list >> http://mailman.satobs.org/mailman/listinfo/seesat-l >> _______________________________________________ >> Seesat-l mailing list >> http://mailman.satobs.org/mailman/listinfo/seesat-l > _______________________________________________ > Seesat-l mailing list > http://mailman.satobs.org/mailman/listinfo/seesat-l _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Mon Jul 27 2020 - 22:22:31 UTC
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