No long research ; 1B has a drag - 1A is (on average) zero because of its regular reboosts. 1B has increased its MM due to decay - 1A is repeating its track every four days. IGS 1A 1 27698U 03009A 08177.89081342 0.00000000 00000-0 00000-0 0 05 2 27698 97.3101 248.9964 0002000 320.9480 39.0518 15.26016469 01 IGS 1B 1 27699U 03009B 08179.18000607 0.00001800 00000-0 65791-4 0 06 2 27699 97.3036 250.5681 0001000 339.6180 20.3819 15.28126004 03 ----- Original Message ----- From: "Gerhard HOLTKAMP" <grd.holtkamp@t-online.de> To: <SeeSat-L@satobs.org> Sent: Tuesday, July 01, 2008 8:10 PM Subject: Bright IGS 1B Flare > > Two nights ago I saw a very bright flare (mag -6 or better) by IGS 1B > (2003-009B) just after it had passed two degrees above Vega at about > 20:58:25 > UTC, 29-JUN-08). I was totally caught off guard by this flare. Having > expected nothing special I was watching with my binoculars but quickly put > them away lest I got blinded! The flare was similar to very bright Iridium > flares - lasting about as long. > > Just to save me an hour of research - does anyone of you know right away > whether IGS 1B is still operational (I remember vaguely that there was > something strange with IGS 1A or IGS 1B). > > Gerhard HOLTKAMP > Darmstadt, Germany > 49.8822 N, 8.6558 E > > ------------------------------------------------------------------------- > Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: > http://www.satobs.org/seesat/seesatindex.html > ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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