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3551 Verenia, provisional designation 1983 RD, is an Amor asteroid and a Mars crosser discovered on 12 September 1983 by R. Scott Dunbar. Although Verenia passed within 40 Gm of the Earth in the 20th century, it will never do so in the 21st. In 2028 it will come within 0.025 AU of Ceres.
2212 Hephaistos is an Apollo asteroid and a NEO discovered on 27 September 1978 by L. I. Chernykh at the Crimean Astrophysical Observatory. It is named after the Greek god Hephaestus. It is the largest member of the Hephaistos asteroid group. It makes close approaches to all of the inner planets and will pass 0.048 AU (7.2 million km) from Mercury on 2032-Sep-16.
37655 Illapa, provisional designation 1994 PM, is a carbonaceous asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.5 kilometers in diameter. It was discovered, on 1 August 1994, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California, United States.
3553 Mera, provisional designation 1985 JA, is an Amor asteroid discovered on May 14, 1985, by C. Shoemaker at Palomar. It was named for Maera, a daughter of Praetus.
5786 Talos is an Apollo asteroid discovered on 3 September 1991 by R. H. McNaught at Siding Spring. It has a very small perihelion distance; only two other named asteroids have one less than 0.2 AU, 1566 Icarus and 3200 Phaethon.
5731 Zeus is an Apollo asteroid and near-Earth object discovered on 4 November 1988, by Carolyn Shoemaker at Palomar Observatory. Based on its observed brightness and assumed albedo it is estimated to have a diameter between 2.1 and 4.7 km.
(7888) 1993 UC is a near-Earth minor planet in the Apollo group. It was discovered by Robert H. McNaught at the Siding Spring Observatory in Coonabarabran, New South Wales, Australia, on 20 October 1993. The asteroid has an observation arc of 23 years and has a well determined orbit. Its estimated size is 2.3 to 5.2 km.
(8014) 1990 MF is a sub-kilometer near-Earth object and potentially hazardous asteroid in the Apollo group. It was discovered by American astronomer Eleanor Helin at the Palomar Observatory in California on 26 June 1990. The asteroid measures approximately 0.7 kilometers in diameter. On 23 July 2020, it came within 0.055 AU of the Earth—about 21 times the Moon's distance.
2012 EG5 is an Apollo near-Earth asteroid with an estimated diameter of 47 meters (154 ft). The asteroid was discovered on March 13, 2012. The asteroid came within 0.001539 AU of Earth during its closest approach on April 1, 2012, just over half the distance between Earth and the Moon's orbit. It was briefly listed on the Sentry Risk Table with a 1 in 2,778,000 chance of an impact in 2107. It was removed from the Sentry Risk Table on 1 April 2012.
(308242) 2005 GO21 is a large Aten near-Earth asteroid and potentially hazardous object. It has a well determined orbit with an observation arc of 7 years and an uncertainty parameter of 0. It was discovered on 1 April 2005 by the Siding Spring Survey at an apparent magnitude of 18.1 using the 0.5-metre (20 in) Uppsala Southern Schmidt Telescope.
2012 FN is an Apollo asteroid and a near-Earth object that has a 1 in 4 billion chance of impacting Earth on 7 March 2113. It is estimated to be 5 meters in diameter, which means that it poses no threat if it impacts Earth. An impact would have the kinetic energy of about 3 kt of TNT, and would probably result in an air burst in the upper atmosphere. It is the least threatening asteroid listed on the Sentry Risk Table. The very short observation arc of only 3 hours results in a very poorly constrained orbit, and it could just as easily be 2 AU from Earth on 7 March 2113.
(85989) 1999 JD6 is an Aten asteroid, near-Earth object, and potentially hazardous object in the inner Solar System that makes frequent close approaches to Earth and Venus. On the Earth approach in 2015, it was observed by the Goldstone Solar System Radar and found to be a contact binary with the largest axis approximately 2 kilometers wide, and each lobe about 200–300 meters large. Although 1999 JD6 in its current orbit never passes closer than 0.047 AU to Earth, it is listed as a potentially hazardous object because it is large and might pose a threat in the future.
2011 GA is a small asteroid that is a Near-Earth object and an Apollo asteroid.
(549948) 2011 WL2 is a sub-kilometer asteroid, classified as a near-Earth object and potentially hazardous asteroid of the Apollo group. It was discovered on 16 November 2011, by astronomers with the LINEAR at the Lincoln Laboratory ETS near Socorro, New Mexico, in the United States.
2012 TV is a near-Earth Apollo asteroid with an estimated diameter of 30 metres (98 ft). Its closest approach to the Earth was on October 7, 2012 with a distance of 0.0017 astronomical units. It also approached the Moon an hour earlier with a distance of 0.0028 astronomical units. With a short observation arc of 1.8 days, the asteroid is listed on the Sentry Risk Table and has a 1:500,000 chance of impacting Earth on April 2, 2081.
2019 AS5 is a near-Earth asteroid that passed close by the Earth on 8 January 2019. It passed within 0.04 lunar distances or 15,000 kilometers of the center of the Earth, 8600 km from the surface. It was discovered by the Mt. Lemmon Survey 9 hours after closest approach. It is estimated to be about 1–2 metres (3–7 feet) in diameter.
2019 TA7 is an Aten (NEO) asteroid, estimated to be about 34 meters (111 feet) in diameter, that was first observed on 9 October 2019, and flew pass the Earth at 38,100 km/h (23,700 mph), about 0.01 AU (1,500,000 km; 930,000 mi) away, its closest encounter in 115 years, on 14 October 2019 at 6:53 pm ET.
(458732) 2011 MD5 is an Apollo near-Earth asteroid around 1.2 kilometers (0.75 miles) in diameter. It is the largest asteroid known to have passed closer than the Moon. On 17 September 1918 the asteroid passed 0.00234 AU (350 thousand km; 0.91 LD) from Earth with a peak apparent magnitude of around 8.4. The 1918 close approach distance is known with an accuracy of roughly ±120 km. The asteroid had come to opposition (opposite the Sun in the sky) on 9 August 1918 at magnitude 16.
2020 OY4 is a very small asteroid classified as a near-Earth object that passed within 21,850 miles (35,160 km) of the surface of Earth on July 28, 2020, with a fly-by speed of 12.4 kilometres (7.7 mi) per second. The car-sized asteroid posed no risk of impact to Earth, but it did pass within the orbit of satellites in the geostationary ring at 35,785 kilometres (22,236 mi) above Earth's equator.
2022 WM7 is a small near-Earth asteroid that passed about 0.2 lunar distances (77,000 km; 48,000 mi) from Earth's center on 28 November 2022 at 02:24 UTC. It was discovered by the Pan-STARRS 1 survey telescope at Haleakalā Observatory, Hawaii on 26 November 2022.
References
- ↑ "(15817) Lucianotesi = 1994 QC". Minor Planet Center . Retrieved 4 June 2015.
- 1 2 "15817 Lucianotesi (1994 QC)". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 11 April 2016.
- 1 2 NeoDys-2 Retrieved 2011-09-05
