Last night there was a favorable pass of the Cosmos 2407 rocket (2004-028B, NCat 28381) and I observed that it was tumbling with a period of 11.7 seconds. The last observation in the PPAS was in January - Leo reported that it was steady. Spacecom tles indicate an anomalous decrease in mean motion from 13.77657 revs/day to 13.77651 revs/day over the period Mar. 17 to Mar. 25 and then an increase in mean motion to 13.77700 from Mar. 25 to Apr. 4. There has been a very small decrease in mean motion since then, so there is a chance that the tumble period may still be decreasing. PPAS report: 04- 28 B 06-04-14 02:00 MM 105.4 0.3 9 11.7 +4.5->8 Mike McCants - Austin, TX ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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