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99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.
For a brief period in late December 2004, with an observation arc of 190 days, asteroid 99942 Apophis (then known only by its provisional designation 2004 MN 4) held the record for the highest Palermo scale value, with a value of 1.10 for a possible collision in the year 2029. [15]
400 m asteroid 2004 MN4 (later named 99942 Apophis in July 2005) is estimated to have a roughly one-in-forty chance of colliding with Earth in 2029. Its Torino Scale rating is 4. (Space.com) (SpaceRef.com)
On December 24, 2004, 370 m (1,210 ft) asteroid 99942 Apophis was assigned a 4 on the Torino scale, the highest rating given to date, for an impact in April 2029. [19] As observations were collected over the next three days, the calculated chance of impact first increased to as high as 2.7%, [ 20 ] then fell back to zero. [ 21 ]
The "MN4" 4T40E is able to handle vehicles up to 4000 lb (1814 kg) GVWR. The final drive ratio can vary depending on the car's curb weight and engine power output. 3.91, 3.63, 3.29, 3.05, 3.69, and 3.42 are all of the available ratios used in the 4T40 (and 4T45) transmission; Made possible by using combinations selected from 3 different sprocket combinations (32/38, 35/35, 33/37) and 2 ...
An asteroid discovered by NASA named 2004 MN4 that may hit earth in 2029. Month. June 2004. Previous day. June 18. Next day. June 20
Maguire was cast as Spider-Man in the Sam Raimi trilogy in 2000 and proceeded to star in 2002's Spider-Man, 2004's Spider-Man 2 and 2007's Spider-Man 3. Dunst starred as Mary Jane, Peter Parker's ...
The link in the article to 99942 Apophis (2004 MN4) Earth Impact Risk Summary source cited was dead. I've fixed that. The NASA web page pointed to by the repaired link estimates the mass of 99942 Apophis as 2.7e+10 kg (27 million metric tons), and its energy as 5.1e+02 MT (510 megatons).