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2011 MD was observed by the Spitzer Space Telescope in February 2014 and estimated to be 6 meters (20 ft) in diameter. [4] The asteroid is a porous rubble pile with a density similar to water. [4] On 19 June 2014, NASA reported that asteroid 2011 MD was a prime candidate for capture by the Asteroid Redirect Mission (ARM) in the early 2020s. [10]
(367789) 2011 AG 5, provisional designation 2011 AG 5, is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group. [1] It has a diameter of about 140 meters (460 ft). [4] It was removed from the Sentry Risk Table on 21 December 2012 and as such it now has a rating of 0 on the Torino Scale ...
(436724) 2011 UW 158, provisionally known as 2011 UW 158, is a stony, walnut-shaped asteroid and fast rotator, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 300 meters in diameter.
Business and economy Greek economic crisis: The Parliament of Greece begins debate on unpopular austerity measures designed to avert the threat of bankruptcy through a 78-billion- euro rescue package. (Reuters via Yahoo News) (Bloomberg) The governor of the central bank of Greece, George Provopoulos, criticizes the government's latest austerity measures, saying it does not emphasize cutting ...
A list of known near-Earth asteroid close approaches less than 1 lunar distance (384,400 km or 0.00257 AU) from Earth in 2011. [note 1] Rows highlighted red indicate objects which were not discovered until after closest approach
Sample return mission headed for the 469219 Kamoʻoalewa asteroid. June (TBD) [5] [6] Long March 5B: Y5 Wenchang LC-1 Xuntian: Low Earth: CNSA: Space telescope: 2025 (TBD) [7] Long March 3B: Asteroid impacter: Heliocentric: CNSA: Asteroid redirect test Asteroid orbiter: Heliocentric: CNSA: Asteroid flyby Planetary defense mission headed for the ...
More than one asteroid per year may be listed if its geocentric distance [note 1] is within a tenth of the lunar distance, or 0.10 LD. For comparison, since a satellite in a geostationary orbit has an altitude of about 36,000 km (22,000 mi), then its geocentric distance is 0.11 LD (approximately three times the width of the Earth).
The first "long" (> 7 min.) total solar eclipse since June 30, 1973. [50] 2150 August 5 Main-belt asteroid 78 Diana (~125 km in diameter) will pass about 0.003 AU (450,000 km; 280,000 mi) from Earth threatening asteroid (29075) 1950 DA and perturb 1950 DA's long-term trajectory. [51] 2151 June 14 A total solar eclipse will be visible from London.