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Volcano earthquake report for Friday, 19 Jun 2026
• Moderate mag. 4.0 earthquake - 231 km southwest of Invercargill, Southland,...
• Moderate mag. 4.8 earthquake - St. Helena: Central Mid-Atlantic Ridge on Fr...
• Moderate mag. 4.0 earthquake - Badakhshan, 193 km northeast of Kabul, Kabul...
• Moderate mag. 4.5 earthquake - 25 km east of Kuhdasht, Lorestan Province, I...
• Light mag. 3.9 earthquake - 14 km east of Takayama, Gifu, Japan, on Friday,...
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#469594
Mon 27 Aug 2018 04:21:PM
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Joined: Feb 2001
Posts: 678,976
Launch Director
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OP
Launch Director
Joined: Feb 2001
Posts: 678,976 |
Abstract: We report photometric observations of the trans-Neptunian object 2004 TT(sub 357) obtained in 2015 and 2017 using the 4.3 m Lowell's Discovery Channel Telescope. We derive a rotational period of 7.79 +/- 0.01 hr and a peak-to-peak lightcurve amplitude of 0.76 +/- 0.03 mag. 2004 TT(sub 357) displays a large variability that can be explained by a very elongated single object or can be due to a contact/close binary. The most likely scenario is that 2004 TT(sub 357) is a contact binary. If it is ... Source: 2004 TT357: A Potential Contact Binary in the Trans-Neptunian Belt
David Cottle
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