Thank you, Richard. The source was the re-entry of 2015-074C / 41107, the second stage of the Zenit-2SB rocket that was observed to decay over Thailand on 2016 Jan 01 near 23:35 UTC (Saturday, Jan 02, 06:35 local time), per Marco Langbroek's post of Jan 2. Empty mass was 8,900 kg. The following news report clearly correlates the debris discoveries with the local date and time of the re-entry, including reports of, "several thunder-like noises from the sky just minutes before the objects were discovered." http://www.thanhniennews.com/society/mysterious-metal-balls-found-in-vietnam-may-be-space-debris-officials-57789.html Here is another report: http://saigoneer.com/vietnam-news/6047-mysterious-space-balls-smash-into-northern-vietnam The re-entry fireball crossed Vietnam about 1 min. before sunrise. Below is a good approximation of the re-entry ground track over Yen Bai Province and Tuyen Quang Province, where the debris was found: http://www.satobs.org/seesat_ref/misc/15074C_ground_track.jpg Ted Molczan _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Wed Jan 06 2016 - 11:45:57 UTC
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