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World Earthquake Report for Thursday, 24 September 2026
• Moderate mag. 4.3 earthquake - Madagascar: Mozambique Channel on Thursday, ...
• Small magnitude 3.9 earthquake hits near Hastings, Hastings District, Hawke...
• Volcano earthquake report for Thursday, 24 September 2026
• Light mag. 3.9 earthquake - South Pacific Ocean, 10.2 km south of Hastings,...
• Moderate magnitude 4.1 quake hits 31 miles southeast of Midland, Texas, Uni...
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#469594
Mon 27 Aug 2018 04:21:PM
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Joined: Feb 2001
Posts: 678,977
Launch Director
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Launch Director
Joined: Feb 2001
Posts: 678,977 |
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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2004 TT357: A Potential Contact Binary in the Trans-Neptunian Belt
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