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4769 Castalia is a near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 1.4 kilometers in diameter and was the first asteroid to be modeled by radar imaging. It was discovered on 9 August 1989, by American astronomer Eleanor Helin (Caltech) on photographic plates taken at Palomar Observatory in California. It is named after Castalia, a nymph in Greek mythology. It is also a Mars- and Venus-crosser asteroid.
1221 Amor is an asteroid and near-Earth object on an eccentric orbit, approximately 1 kilometer (0.6 miles) in diameter. It is the namesake of the Amor asteroids, the second-largest subgroup of near-Earth objects. It was discovered by Eugène Delporte at the Uccle Observatory in 1932, the first time that an asteroid was seen to approach Earth so closely. The assumed S-type asteroid is one of few low-numbered asteroids for which no rotation period has been determined. It was assigned the provisional designation 1932 EA1 and named for Cupid, also known as "Amor" in Latin, the Roman equivalent of the Greek god Eros.
4581 Asclepius, provisional designation 1989 FC, is a sub-kilometer-sized asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group that makes close orbital passes with Earth. Discovered on 31 March 1989 by American astronomers Henry Holt and Norman Thomas at Palomar Observatory, Asclepius is named after the Greek demigod of medicine and healing.
887 Alinda is a very eccentric, near-Earth asteroid with an Earth minimum orbit intersection distance (MOID) of 0.092 AU. It is the namesake for the Alinda group of asteroids and measures about 4 kilometers in diameter. The stony S-type asteroid was discovered by German astronomer Max Wolf at Heidelberg Observatory on 3 January 1918.
2202 Pele, provisional designation 1972 RA, is an eccentric asteroid and near-Earth object of the Amor group, approximately 1–2 kilometers in diameter.
2059 Baboquivari, provisional designation 1963 UA, is an asteroid classified as near-Earth object of the Amor group, approximately 1.9 kilometers in diameter. Discovered by the Indiana Asteroid Program in 1963, it was later named after the Baboquivari Mountains in Arizona, United States.
7092 Cadmus, provisional designation 1992 LC, is a highly eccentric asteroid and near-Earth object of the Apollo group, approximately 3 kilometers in diameter. It was discovered on 4 June 1992, by American astronomer couple Carolyn and Eugene Shoemaker at Palomar Observatory in California, United States. The asteroid was named after Cadmus from Greek mythology.
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.
4947 Ninkasi, provisional designation 1988 TJ1, is a sub-kilometer asteroid, classified as near-Earth object of the Amor group, approximately 520 meters in diameter. It was discovered on 12 October 1988, by American astronomer Carolyn Shoemaker at Palomar Observatory in California.
2608 Seneca, provisional designation 1978 DA, is a stony asteroid and sub-kilometer near-Earth object of the Amor group, approximately 0.9 kilometers in diameter. It was discovered on 17 February 1978, by German astronomer Hans-Emil Schuster at ESO's La Silla Observatory in northern Chile, and named after Roman philosopher Seneca.
4544 Xanthus, provisional designation 1989 FB, is an asteroid, classified as near-Earth object of the Apollo group, approximately 1.3 kilometers in diameter. It was discovered on 31 March 1989, by astronomers Henry Holt and Norman Thomas at the Palomar Observatory in California.
(6491) 1991 OA is a highly eccentric, stony asteroid, classified as near-Earth object and potentially hazardous asteroid, approximately half a kilometer in diameter. It was discovered on 16 July 1991, by American astronomer Henry E. Holt at the U.S. Palomar Observatory in California.
(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.
2013 PJ10 is a Near-Earth asteroid that was discovered on 4 August 2013 in Observatorio Astronómico de La Sagra, with an estimated diameter of about 50 meters. At 02.18 GMT, 4 August 2013, this asteroid flew at a minimum distance from the Earth (371.4 thousand kilometers), accounting for 0.96 average radius of the lunar orbit, but until 2180 it will not approach the Earth closer than 3.2 million miles.
2014 SC324 is a sub-kilometer asteroid and fast rotator, classified as a near-Earth object of the Apollo group, approximately 50 meters in diameter. It was first observed on 30 September 2014, by the Mount Lemmon Survey at an apparent magnitude of 21 using a 1.5-meter (59 in) reflecting telescope. With an absolute magnitude of 24.3, the asteroid is about 37–85 meters in diameter.
(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.
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.
2018 XB4 (also written 2018 XB4) is an Apollo near-Earth asteroid roughly 53 meters (170 feet) in diameter. It was discovered on 13 December 2018 when the asteroid was about 0.125 AU (18,700,000 km; 11,600,000 mi) from Earth and had a solar elongation of 146°. It passed closest approach to Earth on 1 January 2019. Of the asteroids discovered in 2018, it had the highest Palermo scale rating at –3.6. In mid-2019 it was recovered which extended the observation arc to 177 days and was removed from the Sentry Risk Table on 12 June 2019. It is now known that on 22 June 2092 the asteroid will pass about 0.033±0.015 AU from Earth.
(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.
References
- ↑ "Minos". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 22 March 2020.
- ↑ "Minos". Merriam-Webster.com Dictionary .
- 1 2 3 4 "6239 Minos". JPL Small-Body Database . Jet Propulsion Laboratory. SPK-ID: 6239 . Retrieved 13 April 2016.
- 1 2 "(6239) Minos". NEODyS. University of Pisa. Retrieved 27 November 2015.
