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Kosmos 2251 was launched on a Russian Cosmos-3M carrier rocket on June 16, 1993. [2] This satellite had been deactivated prior to the collision, and remained in orbit as space debris. The other spacecraft, Iridium 33, was a 560-kilogram (1,200 lb) U.S.-built commercial satellite that was part of the Iridium constellation for satellite phones. [2]
At 16:56 UTC on 10 February 2009, [11] it collided with Iridium 33 (1997-051C), an Iridium satellite, [12] in the first major collision of two satellites in Earth orbit. The Iridium satellite, which was operational at the time of the collision, was destroyed, as was Kosmos-2251. [13] NASA reported that a large amount of debris was produced by ...
On 10 February 2009, at 16:56 UTC, at about 800 km altitude, Kosmos 2251 (1993-036A) (a derelict Strela satellite) and Iridium 33 collided, resulting in the destruction of both spacecraft. [5] NASA reported that a large amount of space debris was produced by the collision, i.e. 1347 debris for Kosmos 2251 and 528 for Iridium 33. [6] [7] [8] [9]
The 2009 collision between the Iridium 33 communications satellite and the derelict Russian Kosmos 2251 spacecraft, which resulted in the destruction of both satellites. The 22 January 2013 collision between debris from Fengyun FY-1C satellite and the Russian BLITS nano-satellite.
Kosmos 2251: 2009: 1,716: Accidental collision with Iridium 33 Kosmos 1408: 2021: 1,562: Intentional collision (ASAT) Long March 6A upper stage: 2024: 700–900+ Unknown; but may be related to upper stage passivization or insulation. [7] Long March 6A upper stage: 2022: 781 [8]
The Toniebox has been selling like mad this year. It's an audio player for kids that can play stories, podcasts, and songs. Each box comes with a character — a "Tonie" — whose audio matches ...
regulatory program for implementing SMCRA and 30 C.F.R. §§ 780.21(b), 784.14(b) (2008), and their approved equivalents in the Pennsylvania state regulatory program for implementing SMCRA.
(33%), municipal/medical waste incinerators (29%) and commercial/industrial boilers (18%)—estimated to be responsible for 158 tons of environmental mercury released per year in the US (Environmental Protection Agency, Report to Congress, 1997). Other sources include hazar-dous waste sites, cement factories, and chlorine production plants.