As I suspected might happen launch is postponed to 27 June at the same time owing to weather. Robert On Mon, 25 Jun 2018 at 04:31, Jon . via Seesat-l <seesat-l_at_satobs.org> wrote: > > Using Dr. Kelso's elset, this is the derived elset for payloads and the > Curie kick stage, asuming launch jun. 26 at 00:30:00 UTC: > > ELECTRON-IBT search 490 X 508 km > 1 70000U 18500A 18177.09468750 0.00023591 00000-0 10608-2 0 04 > 2 70000 84.9992 277.5361 0013516 288.0032 306.9608 15.21097829 06 > > > Jon. > > 2018-06-24 14:26 GMT+02:00 Robert Holdsworth via Seesat-l < > seesat-l_at_satobs.org>: > > > Following abort owing to issues with a tracking station, launch is now set > > for no earlier than 0030 UTC on Tuesday 26 June. > > However the forecast for the launch area is for a strong wind change at > > about that time. > > Robert > > > > On Sat, 23 Jun 2018, 12:54 Robert Holdsworth <robbonz_at_gmail.com> wrote: > > > > > Now NET 0227 UTC. > > > > > > On Sat, 23 Jun 2018, 09:33 Robert Holdsworth <robbonz_at_gmail.com> wrote: > > > > > >> Rocketlab has now posted it is targeting launch no earlier earlier than > > >> 0050 UTC. > > >> Robert > > >> > > >> On Sat, 23 Jun 2018, 07:01 Dr. T.S. Kelso via Seesat-l < > > >> seesat-l_at_satobs.org> wrote: > > >> > > >>> Based on the sail deployment time/state vector provided in the > > >>> spreadsheet, I obtain the following TLE fit: > > >>> > > >>> 22 Jun 2018 08:55:48 > > >>> Satellite-NABEO > > >>> > > >>> > > >>> Reference Trajectory Sampling > > >>> ----------------------------- > > >>> Start Time (UTCG) Stop Time (UTCG) Time Step (sec) > > >>> ------------------------ ------------------------ --------------- > > >>> 23 Jun 2018 02:13:21.000 24 Jun 2018 02:13:21.000 300.000 > > >>> > > >>> > > >>> Fit Summary > > >>> ----------- > > >>> Initial RMS (km) Final RMS (km) Iterations # of Obs > > >>> ---------------- -------------- ---------- -------- > > >>> 2.112101 0.348057 2 289 > > >>> > > >>> > > >>> Two Line Element Set > > >>> -------------------- > > >>> 1 99999C 18174.09260417 .00023585 00000-0 10608-2 0 00008 > > >>> 2 99999 084.9992 273.8258 0013516 288.0032 306.9608 15.21097829000019 > > >>> > > >>> Note that I do not have any data for area-to-mass or attitude, so this > > >>> TLE would not be expected to be a good fit for very long after the > > >>> deployment. It also assumes a nominal launch/deployment. - TS > > >>> > > >>> Dr. T.S. Kelso > > >>> CelesTrak, https://celestrak.com > > >>> E-Mail: ts.kelso_at_celestrak.com<mailto:ts.kelso_at_celestrak.com> > > >>> > > >>> On 2018 Jun 22, at 08:45, Robert Holdsworth via Seesat-l < > > >>> SeeSat-L_at_satobs.org<mailto:SeeSat-L_at_satobs.org>> wrote: > > >>> > > >>> It should be noted that the time given is the opening of the launch > > >>> window > > >>> which extends to 0430 UTC. > > >>> Launch broadcast at http://www.rocketlabusa.com/live-stream > > >>> Weather forecast looks good for launch, fine with some wind but > > probably > > >>> not enough that high altitude winds will be an issue. > > >>> Robert > > >>> > > >>> > > >>> > > >>> > > >>> On Sat, 23 Jun 2018, 06:25 Derek C Breit via Seesat-l < > > >>> seesat-l_at_satobs.org<mailto:seesat-l_at_satobs.org>> > > >>> wrote: > > >>> > > >>> I would attempt this given a TLE Search set if visibility is possible > > >>> from > > >>> the SF Bay Area, CA.. > > >>> > > >>> Derek > > >>> > > >>> -----Original Message----- > > >>> From: Seesat-l [mailto:seesat-l-bounces+breit_ideas= > > >>> poyntsource.com_at_satobs.org<mailto:poyntsource.com_at_satobs.org>] On > > >>> Behalf Of Dr. T.S. Kelso via Seesat-l > > >>> Sent: Friday, June 22, 2018 10:24 AM > > >>> To: Seesat List > > >>> Subject: Fwd: Optical tracking De-Orbit Sail > > >>> > > >>> Please see the message below regarding a request for optical tracking > > of > > >>> today’s planned Electron launch with NABEO. - TS > > >>> > > >>> Dr. T.S. Kelso > > >>> CelesTrak, https://celestrak.com > > >>> E-Mail: ts.kelso_at_celestrak.com<mailto:ts.kelso_at_celestrak.com><mailto: > > >>> ts.kelso_at_celestrak.com> > > >>> > > >>> Begin forwarded message: > > >>> > > >>> From: Thomas Sinn <sinn_at_hps-gmbh.com<mailto:sinn_at_hps-gmbh.com><mailto: > > >>> sinn_at_hps-gmbh.com>> > > >>> Subject: Optical tracking De-Orbit Sail > > >>> Date: 2018 June 22 at 01:38:55 HST > > >>> To: "TS.Kelso_at_celestrak.com<mailto:TS.Kelso_at_celestrak.com><mailto: > > >>> TS.Kelso_at_celestrak.com>" < > > >>> TS.Kelso_at_celestrak.com<mailto:TS.Kelso_at_celestrak.com><mailto: > > >>> TS.Kelso_at_celestrak.com>> > > >>> Cc: "Langer, Martin" <martin.langer_at_tum.de<mailto:martin.langer_at_tum.de > > >>> ><mailto:martin.langer_at_tum.de>> > > >>> > > >>> Dear Mr. Kelso, > > >>> I got your email address from martin Langer of the Technical University > > >>> of > > >>> Munich as we are having a joint project on a dragsail > > >>> technology demonstrator that will be launched tomorrow morning with the > > >>> Electron 3 rocket of Rocket Lab. We should get downlink data > > >>> of the sail deployment but is a risk that the aluminium coated foil > > >>> blocks > > >>> the signal of the antenna. > > >>> Therefore we came up with the idea to maybe try to see if someone in > > the > > >>> amateur astronomy community would like to give it a try to > > >>> get a picture of the sail (2.5m2 sail area in a 500km orbit) from the > > >>> ground once the dragsail is deployed (1.5hr after launch > > >>> (launch currently scheduled at 0:30 UTC on the 23rd of June). > > >>> More infos to the sail (NABEO): www.hps-gmbh.com/ADEO< > > >>> http://www.hps-gmbh.com/ADEO>/< > > >>> http://www.hps-gmbh.com/ADEO/> > > >>> > > >>> Please find attached the state vector for the deployment (according to > > >>> the > > >>> current launch time (TBD)). We though maybe you have > > >>> someone in mind that would be interested to try to get a nice picture > > of > > >>> the kick-stage with the dragsail once its orbiting the > > >>> earth. > > >>> > > >>> > > >>> Kind regards, > > >>> Thomas > > >>> > > >>> --------------------------- > > >>> Dr. Thomas Sinn > > >>> Deployable Structures: Project Manager & System Engineer > > >>> > > >>> HPS GmbH > > >>> Hofmannstr. 25-27 > > >>> 81379 München > > >>> Germany > > >>> > > >>> > > >>> > > >>> phone: +49 89 452057672 > > >>> fax: +49 89 452057699 > > >>> sinn_at_hps-gmbh.com<mailto:sinn_at_hps-gmbh.com><mailto:sinn_at_hps-gmbh.com> > > >>> http://www.hps-gmbh.com > > >>> > > >>> CEO: Dr.-Ing. Ernst K. Pfeiffer > > >>> CFO: Dipl.-Ing. Peter Rauhut > > >>> HRB 185249, AG München > > >>> --------------------------- > > >>> > > >>> _______________________________________________ > > >>> Seesat-l mailing list > > >>> http://mailman.satobs.org/mailman/listinfo/seesat-l > > >>> > > >>> > > >>> --- > > >>> This email has been checked for viruses by AVG. > > >>> https://www.avg.com > > >>> > > >>> > > >>> _______________________________________________ > > >>> 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-l > > > > > > -- > Jon, COSPAR 6242, 42.9453, -2.82839, 623m, Bitoriano, Basque Country. > _______________________________________________ > 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 Jun 25 2018 - 17:25:21 UTC
This archive was generated by hypermail 2.3.0 : Mon Jun 25 2018 - 22:25:21 UTC