Typo in epoch. Correct one is 17152.88640668 Leo 2017-06-01 14:23 GMT+02:00 Leo Barhorst <leobarhorst_at_gmail.com>: > Marco and list, > > According to several websites the launch of CRS-11 is at 21:55 UT not > 22:15 UT. > i hour earlier is 0.416666666 day. > So the correct epoch should be 171552.88640668 > > Shadow entry time looks OK and based on a 21:55 launch. > > Hopefully the weather co-operates this night. > > Greetings > Leo > > > 2017-06-01 13:20 GMT+02:00 Marco Langbroek via Seesat-l < > seesat-l_at_satobs.org>: > >> >> Hi all, >> >> I have posted this elset before on the list a while ago, but a repeat as >> that >> was a while ago and launch is now imminent. >> >> This evening at 22:55 UT, all going well, SpaceX will launch the DRAGON >> CRS-11 >> supply ship to the ISS. >> >> 20 minutes later, the Dragon, Falcon 9 r/b and two ejected solar covers >> will be >> visible over Europe. >> >> Here is an estimate of the orbit of CRS-11 on this pass, based on launch >> at >> 22:55:00 UT (June 1): >> >> >> DRAGON CRS-11 >> 1 72000U 17000A 17152.92807335 0.00000000 00000-0 00000+0 0 02 >> 2 72000 51.6320 114.8208 0115859 44.2692 54.5468 15.98180622 02 >> >> Shadow entry nominally is near 22:17:30 UT, but this depends on how >> accurate the >> altitudes from the elset above are, so beware. >> >> - Marco >> >> >> ----- >> Dr Marco Langbroek - SatTrackCam Leiden, the Netherlands. >> e-mail: sattrackcam_at_langbroek.org >> >> Cospar 4353 (Leiden): 52.15412 N, 4.49081 E (WGS84), +0 m ASL >> Cospar 4355 (Cronesteyn): 52.13878 N, 4.49937 E (WGS84), -2 m ASL >> Station (b)log: http://sattrackcam.blogspot.com >> Twitter: _at_Marco_Langbroek >> ----- >> _______________________________________________ >> 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 Thu Jun 01 2017 - 07:25:35 UTC
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