Dear all, The Solar X-ray Observatory "Yohkoh" (SOLAR-A) will make re-enter to the earth's atmosphere tonight. It is analyzed that the frame of the Yohkoh will be burned and vanish during the re-entry, therefore it will not fall to earth but you can observe the re-entry emission as an artificial fireball. The Yohkoh was launched aboard M-3S-II Launch Vehicle Flight No. 6 on August 30, 1991, from the Uchinoura Space Center by the former Institute of Space and Astronautical Science of the then Ministry of Education (currently Japan Aerospace Exploration Agency or JAXA) . http://www.isas.jaxa.jp/home/solar/ Because of the changing of atmospheric density due to the recent unexpected high solar activities, it is impossible to predict the exact time and location of the re-entry until today. Now we can provide you the latest reentry information as follows; Nominal Reentry Time; 9:30:27(UT) on September 12, 2005. Early predicted Reentry Time; 7:32:36(UT) on September 12, 2005. Later predicted Reentry Time; 12:19:30(UT) on September 12, 2005. Reentry path; http://harbor.scitec.kobe-u.ac.jp/~avell/yohkoh_rentry.gif The prediction have still uncertainty. We would like to receive information(and data) about Yohkoh Reentry Light. Please contact us; Shinsuke Abe <avell@kobe-u.ac.jp> Tadashi Takano <ttakano@radionet.isas.jaxa.jp> Jun-ichi WATANABE <jun.watanabe@nao.ac.jp> PS; We arrived at asteroid Itokawa by using HAYABSA explore this morning. E ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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