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Comet 9P/Tempel 1 NASA Deep Impact mission Lunar impacts — 1969 to 1975 Meteorites from Mars Asteroid 1937 UB (Hermes) Impact Probability: unknown, closest approach 395 million miles (1942) Impact Energy 1500-to-3000 megatons TNT Asteroid 1950 DA Impact Probability: unknown, possibly as much as one in 300 Impact Energy 60,000 megatons TNT Comet 109P (Swift-Tuttle) Comet C/1965 S1 (Ikeya-Seki) Comet C/1969 Y1 (Bennett) Comet C/1973 E1 (Kohoutek) Comet C/1975 V1 (West) Asteroid 1979 XB Impact Probability: one in three million. Impact Energy 39,000 megatons TNT Asteroid 1989 AC (4179 Toutatis) Comet D/1993 F2 (Shoemaker-Levy) Asteroid 1994 GK Impact Probability: one in 16,000 Impact Energy 6.2 megatons TNT Asteroid 1994 GV Impact Probability: one in 11,000 Impact Energy 40,000 tons TNT Asteroid 1994 WR12 Impact Probability: one in 11,000 Impact Energy 53 megatons TNT Comet C/1995 O1 (Hale-Bopp) Asteroid 1995 CS Impact Probability: one in 263,000 Impact Energy 2.4 megatons TNT Comet C/1996 B2 (Hyakutake) Asteroid 1996 TC1 Impact Probability: one in 1.2 million Impact Energy 19 megatons TNT Asteroid 1998 DK36 Impact Probability: one in a million Impact Energy one megaton TNT Asteroid 1998 HJ3 Impact Probability: one in 4.2 million Impact Energy 38,000 megatons TNT Asteroid 1999 RQ36 Impact Probability: one in 1400 Impact Energy 2,700 megatons TNT Asteroid 1999 AN10 Impact Probability: one in ten million Impact Energy 125,000 megatons TNT Asteroid 1999 RZ31 Impact Probability: one in 2.2 million Impact Energy 6.4 megatons TNT Asteroid 1999 SF10 Impact Probability: one in 670,000 Impact Energy 3.5 megatons TNT Asteroid 2000 LG6 Impact Probability: more than one in 1200 Impact Energy 3,100 tons TNT Asteroid 2000 QS7 Impact Probability: more than one in 770,000 Impact Energy 3,200 megatons TNT Asteroid 2000 SB45 Impact Probability: more than one in 6700 Impact Energy 2.8 megatons TNT Asteroid 2000 SG344 Impact Probability: more than one in 600 Impact Energy 1.1 megatons TNT Asteroid 2000 TU28 Impact Probability: more than one in 4.3 million Impact Energy 760 megatons TNT Asteroid 2001 BA16 Impact Probability: more than one in 189,000 Impact Energy 300,000 tons TNT Asteroid 2001 BB16 Impact Probability: one in 185,000 Impact Energy 24 megatons TNT Asteroid 2001 WN5 Impact Probability: one in 91,000 Impact Energy 17,000 megatons TNT Asteroid 2002 MN Impact Probability: one in 300,000 Impact Energy 15 megatons TNT Asteroid 2002 TX55 Impact Probability: one in 56,000 Impact Energy 9.2 megatons TNT Asteroid 2004 BX159 Impact Probability: one in 385 million Impact Energy 96,000 megatons TNT Asteroid 2004 MN4 (Apophis) Impact Probability: one in 135,000 Impact Energy 510 megatons TNT Comet C/2004 Q2 (Machholz) Asteroid 2004 XK3 Impact Probability: more than one in 6,000 Impact Energy 2.3 megatons TNT Asteroid 2004 XY130 Impact Probability: one in 2.3 million Impact Energy 2,700 megatons TNT Asteroid 2004 YD5 Comet P/2005 JQ5 (Catalina) Asteroid 2005 XA8 Impact Probability: one in 13,000 Impact Energy 710,000 tons TNT Asteroid 2005 WY55 Impact Probability: one in 70,000 Impact Energy 1,100 megatons TNT Asteroid 2006 BZ147 Impact Probability: one in 9000 Impact Energy 480,000 tons TNT Asteroid 2006 DM63 Impact Probability: one in 800 Impact Energy 130,000 tons TNT Asteroid 2006 JY26 the most likely known impactor, Impact probability: one in 167 Impact energy 8200 tons TNT. Asteroid 2006 QV89 Impact Probability: one in 3,000 Impact Energy 650,000 tons TNT. Asteroid 2006 SC Impact Probability: one in 30,000 Impact Energy 1.3 megatons TNT. Asteroid 2006 SU49 Impact Probability: one in 140 million Impact Energy 1,700 megatons TNT. Asteroid 2007 FT3 Impact Probability: one in a million Impact Energy 2,700 megatons TNT. Asteroid 2007 HE15 Impact Probability: one in 280,000 Impact Energy 1,900 megatons TNT. Asteroid 2007 HX3 Impact Probability: one in 50 million Impact Energy 1,500 megatons TNT. Comet Elenin (C/2010 X1) More Comet/Asteroid Information Recommended Reading and Videos for more information Advertise on this Site |
Current News Click here for recent news and information. • December 2010 The 570-meter asteroid 2010 XA73 was discovered on 15 December by Pan-STARRS. Eventual impact probability is about one in 900 million with an impact energy of 11,000 megatons TNT. The small asteroid 2010 XN69 was discovered on 15 December by the Mount Lemmon Survey ten days before it passed one million miles (1.6 million km) from Earth. Eventual impact probability is about one in 16,000 with an impact energy of 200,000 tons TNT. The 110-meter asteroid 2010 XB73 was discovered on 14 December by the Mount Lemmon Survey. Eventual impact probability is about one in 4.8 million with an impact energy of 32 megatons TNT. The 150-meter asteroid 2010 XA68 was discovered on 14 December by the Mount Lemmon Survey. Eventual impact probability is about one in 2.6 million with an impact energy of 670 megatons TNT. The small asteroid 2010 XW58 was discovered on 11 December by the Mount Lemmon Survey long before its next close approach to Earth in AD2124. Eventual impact probability is about one in 300,000 with an impact energy of 1.6 megatons TNT. The small asteroid 2010 XR was discovered on 2 December by the Mount Lemmon Survey three days after it had passed within 116,000 miles (187,000 km) of Earth. Eventual impact probability is about one in five million with an impact energy of 290,000 tons TNT. The small asteroid 2010 XB was discovered on 1 December by the Mount Lemmon Survey one day after it had passed within 32,000 miles (51,000 km) of Earth. Eventual impact probability is about one in 5.6 million with an impact energy of 5700 tons TNT. • November 2010 The 89-meter asteroid 2010 WD3 was discovered on 28 November by the Mount Lemmon Survey nine days before it passed within 549,000 miles (885,000 km) of Earth. The small asteroid 2010 VN1 was discovered on 3 November by La Sagra Observatory one day after it had passed within 80,000 miles (129,000 km) of Earth. Eventual impact probability is about one in 590,000 with an impact energy of 16,000 tons TNT. • October 2010 The small asteroid 2010 UY7 was discovered on 30 October by the Catalina Sky Survey four days after it had passed within 151,000 miles (243,000 km) of Earth. Eventual impact probability is about one in 4000 with an impact energy of 6,700 tons TNT. The small asteroid 2010 UE was discovered on 17 October by the Mount Lemmon Survey one day after it had passed within 71,000 miles (114,000 km) of Earth. Eventual impact probability is about one in 15 million with an impact energy of 4200 tons TNT. The small asteroid 2010 TW54 was discovered on 11 October by the Mount Lemmon Survey two days after it had passed within 100,000 miles (161,000 km) of Earth. Eventual impact probability is about one in 170,000 with an impact energy of 34,000 tons TNT. The small asteroid 2010 TD54 was discovered on 9 October by the Catalina Sky Survey three days before it passed within 32,000 miles (52,000 km) of Earth. • September 2010 Analysis of data from Mars Express and Mars Global Surveyor support the conclusion that the Martian satellite Phobos was formed by accretion of material blasted into orbit by impact. — full story A fireball over New Mexico and Texas on 21 September was recorded by Thomas Ashcraft on video near Santa Fe. — full story The small asteroid 2010 RK53 was discovered on 10 September by the Catalina Sky Survey two days after it had passed within 45,000 miles (73,000 km) of Earth. The small asteroid 2010 RX30 was discovered on 5 September by the Mount Lemmon Survey three days before it passed 154,000 miles (248,000 km) from Earth. Eventual impact probability is about one in 145,000 with an impact energy of 69,000 tons TNT. The small asteroid 2010 RF12 was discovered on 5 September by the Mount Lemmon Survey three days before it passed 49,000 miles (79,000 km) from Earth. Ernesto Guido and Giovanni Sostero at Remanzacco Observatory obtained images animated here of the asteroid as it passed. Eventual impact probability is about one in 83 with an impact energy of 9,900 tons TNT. The small asteroid 2010 RZ11 was discovered on 3 September by the Mount Lemmon Survey seven days after it had passed 574,000 miles (924,000 km) from Earth. • August 2010 The small asteroid 2010 QG2 was discovered on 31 August by LINEAR three days before it passed within 1.1 million miles (1.75 million km) of Earth. Eventual impact probability is about one in 28,000 with an impact energy of 5.7 megatons TNT. • July 2010 Research published in the journal "Astronomy & Astrophysics" of data from the Herschel spacecraft indicates a cometary impact on the planet Neptune about 200 years ago. — full story The small asteroid 2010 NN was discovered on 6 July by the Mount Lemmon Survey three days after it had passed 326,000 miles (525,000 km) from Earth. Eventual impact probability is about one in 37,000 with an impact energy of 11,000 tons TNT. The small asteroid 2010 NH was discovered on 4 July by the Mount Lemmon Survey four days after it had passed 624,000 miles (1 million km) from Earth. Eventual impact probability is about one in 590,000 with an impact energy of 630,000 tons TNT. • June 2010 The small asteroid 2010 MZ112 was discovered on 23 June by WISE. Eventual impact probability is about one in 500,000 with an impact energy of 1.5 megatons TNT. The 250-meter asteroid 2010 MY112 was discovered on 23 June by WISE. Eventual impact probability is about one in 31 million with an impact energy of 1,700 megatons TNT. A large fireball was observed on Jupiter on 3 June by Anthony Wesley, who first observed the 2009 impact. — full story • May 2010 The small asteroid 2010 JH80 was discovered on 13 May by the Mount Lemmon Survey. Eventual impact probability is about one in 476,000 with an impact energy of 1 megaton TNT. • April 2010 The 75-meter asteroid 2010 HS20 was discovered on 20 April by the Mount Lemmon Survey fifteen days before it passed within 7.2 million miles (11.5 million km) of Earth. The small asteroid 2010 HP20 was discovered on 20 April by the Mount Lemmon Survey two days after it had passed within 149,000 miles (239,000 km) of Earth. Eventual impact probability is about one in 20,000 with an impact energy of 13,000 tons TNT. A brilliant fireball was seen over the Midwest on 14 April by thousands of residents from Missouri to Wisconsin. — full story — video — video The small asteroid 2010 GM23 was discovered on 8 April by the Catalina Sky Survey five days before it passed within 820,000 miles (1.3 million km) of Earth. Eventual impact probability is about one in 77,000 with an impact energy of 3.1 megatons TNT. • February 2010 The small asteroid 2010 DG77 was discovered on 19 February by WISE four weeks after it had passed 3.6 million miles (5.8 million km) from Earth. Eventual impact probability is about one in 710,000 with an impact energy of 3.9 megatons TNT. The small asteroid 2010 CS19 was discovered on 15 February by the Catalina Sky Survey two days after it had passed 446,000 miles (718,000 km) from Earth. Eventual impact probability is about one in 27,000 with an impact energy of 16,000 tons TNT. The 370-meter asteroid 2010 CR5 was discovered on 9 February by the Mount Lemmon Survey. Eventual impact probability is about one in 37 million with an impact energy of 5,100 megatons TNT. The small asteroid 2010 CA was discovered on 5 February by the Catalina Sky Survey eight days before it passed within 3.7 million miles (6 million km) of Earth. Eventual impact probability is about one in 210,000 with an impact energy of 4.2 megatons TNT. • January 2010 The small asteroid 2010 BU2 was discovered on 21 January by LINEAR six days before it passed within 1.6 million miles (2.5 million km) from Earth. The 890-meter asteroid 2010 AU118 was discovered on 13 January by WISE. Eventual impact probability is about one in 59 million with an impact energy of 88,000 megatons TNT. The small asteroid 2010 AF40 was discovered on 12 January by the Mount Lemmon Survey nine days before it passed within 555,000 miles (893,000 km) of Earth. The small asteroid 2010 AL30 was discovered on 10 January by LINEAR three days before it passed 80,000 miles (129,000 km) from Earth. Ernesto Guido and Giovanni Sostero at Remanzacco Observatory obtained images animated here of the asteroid as it passed. The unusual main-belt Comet P/2010 A2 was discovered on 6 January by LINEAR. — full story 79 Potentially Hazardous Asteroids discovered in 2009 Potentially Hazardous Asteroids (PHA) are defined as those with orbits within 4.65 million miles (7.5 million km) of Earth's orbit. Seventy-nine more PHA were discovered in 2009, bringing the total to 1090 known Potentially Hazardous Asteroids, nearly double those known in 2003. — full list • December 2009 The small asteroid 2009 YS was discovered on 19 December by the Catalina Sky Survey seven days after it had passed within 350,000 miles (562,000 km) of Earth. The small asteroid 2009 YR was discovered on 19 December by the Mount Lemmon Survey six days before it passed 1 million miles (1.6 million km) from Earth. Eventual impact probability is about one in 100,000 with an impact energy of 13,000 tons TNT. • November 2009 The small asteroid 2009 WR52 was discovered on 23 November by the Mount Lemmon Survey six days after it had passed 800,000 miles (1.3 million km) from Earth. Eventual impact probability is about one in 7,700 with an impact energy of 9,800 tons TNT. The small asteroid 2009 WQ52 was discovered on 23 November by the Mount Lemmon Survey four days before it passed within 790,000 miles (1.3 million km) of Earth. Eventual impact probability is about one in 2.7 million with an impact energy of 26,000 tons TNT. The small asteroid 2009 WV51 was discovered on 23 November by the Catalina Sky Survey one day before it passed within 93,600 miles (150,000 km) of Earth. The 55-meter asteroid 2009 WQ25 was discovered on 21 November by the Mount Lemmon Survey thirteen days after it had passed 2.75 million miles (4.43 million km) from Earth. Eventual impact probability is about one in 13 million with an impact energy of 11 megatons TNT. The small asteroid 2009 WW7 was discovered on 19 November by the Mount Lemmon Survey two days before it passed within 418,000 miles (673,000 km) of Earth. Eventual impact probability is about one in 43,000 with an impact energy of 5,500 tons TNT. The small asteroid 2009 WJ6 was discovered on 19 November by the Catalina Sky Survey one day before it passed 110,000 miles (177,000 km) from Earth. Eventual impact probability is about one in 24 million with an impact energy of 75,000 tons TNT. The small asteroid 2009 WP6 was discovered on 18 November by the Mount Lemmon Survey three days before it passed within 164,000 miles (263,000 km) of Earth. Eventual impact probability is about one in 29,000 with an impact energy of 410,000 tons TNT. The 280-meter asteroid 2009 WM1 was discovered on 17 November by the Catalina Sky Survey. Eventual impact probability is about one in 11 million with an impact energy of 1,100 megatons TNT. The small asteroid 2009 VT1 was discovered on 10 November by the Mount Lemmon Survey one day after it had passed within 334,000 miles (538,000 km) of Earth. Eventual impact probability is about one in 435,000 with an impact energy of 2,000 tons TNT. The small asteroid 2009 VX was discovered on 9 November by the Catalina Sky Survey three days before it passed within 612,000 miles (985,000 km) of Earth. The small asteroid 2009 VA was discovered on 6 November by the Catalina Sky Survey at which time it was 12,600 miles (20,400 km) from Earth. Eventual impact probability is about one in 30,000 with an impact energy of 8,300 tons TNT. • October 2009 The small asteroid 2009 TM8 was discovered on 15 October by the Catalina Sky Survey two days before it passed 215,000 miles (347,000 km) from Earth. Eventual impact probability is about one in 15,000 with an impact energy of 8,500 tons TNT. The small asteroid 2009 TH8 was discovered on 14 October by the Siding Spring Survey five days before it passed within 1.1 million miles (1.7 million km) of Earth. Eventual impact probability is about one in 110,000 with an impact energy of 2.2 megatons TNT. A brilliant twilight fireball was photographed over Netherlands on 13 October. The small asteroid 2009 TU was discovered on 10 October by the Catalina Sky Survey two days after it had passed 189,000 miles (305,000 km) from Earth. Eventual impact probability is about one in 45,000 with an impact energy of 86,000 tons TNT. The small asteroid 2009 TD17 was discovered on 9 October by the Catalina Sky Survey four days after it had passed within 161,000 miles (260,000 km) of Earth. Eventual impact probability is about one in 11,000 with an impact energy of 26,000 tons TNT. The small asteroid 2009 TB was discovered on 2 October by the Mount Lemmon Survey two days after it had passed within 50,000 miles (80,000 km) of Earth. • September 2009 The small asteroid 2009 SN103 was discovered on 25 September by the Catalina Sky Survey three days before it passed within 289,000 miles (465,000 km) of Earth. The 110-meter asteroid 2009 SM98 was discovered on 24 September by the Catalina Sky Survey twelve days after it had passed within 2.2 million miles (3.5 million km) of Earth. The small asteroid 2009 SD15 was discovered on 19 September by the Mount Lemmon Survey six days after it had passed within 1.7 million miles (2.7 million km) of Earth. The small asteroid 2009 SH1 was discovered on 18 September by the Mount Lemmon Survey four days after it had passed within 544,000 miles (875,000 km) of Earth. The small asteroid 2009 RY3 was discovered on 13 September by the Siding Spring Survey two days after it had passed within 457,000 miles (735,000 km) of Earth. The small asteroid 2009 RR was discovered on 11 September by the Catalina Sky Survey five days before it passed within 687,000 miles (1.1 million km) of Earth. Eventual impact probability is about one in 132,000 with an impact energy of 850,000 tons TNT. • August 2009 The small asteroid 2009 QC35 was discovered on 29 August by the Catalina Sky Survey four days before it passed within 700,000 miles (1.1 million km) of Earth. • July 2009 The small asteroid 2009 OW6 was discovered on 27 July by the Catalina Sky Survey one day before it passed 1.7 million miles (2.8 million km) from Earth. Eventual impact probability is about one in 110,000 with an impact energy of 690,000 tons TNT. A large object believed to be a comet impacted Jupiter on 20 July. — full story — Hubble image Older News Archive Click here for older archived articles. Advertise on this Site |
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