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2015 HM10
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2015 HM10
2015 HM10 is an irregular shaped asteroid and sub-kilometer near-Earth object that passed near the Earth on 7 July 2015, at a distance of 442,000 kilometers or 1.15 lunar distances.
First observed on 19 April 2015, by astronomers of the Dark Energy Survey at Cerro Tololo Observatory in Chile, the asteroid measures approximately 60 meters in diameter and is classified as a member of the Apollo and Amor group, respectively. It is a fast rotator with a rotation period of 22.6 minutes.
It was first observed on 19 April 2015, by astronomers of the Dark Energy Survey, using the Dark Energy Camera (DECam, W84) mounted on the Víctor M. Blanco Telescope located at Cerro Tololo Inter-American Observatory in Chile.
2015 HM10 has been classified as a near-Earth object of the Apollo and Amor group, respectively.
It orbits the Sun at a distance of 1.0–4.0 AU once every 4.01 years (1,465 days). Its orbit has an eccentricity of 0.60 and an inclination of 1° with respect to the ecliptic. The body's observation arc begins with a precovery taken at Cerro Tololo, the night prior to its official first observation.
2015 HM10 has an Earth minimum orbital intersection distance of 0.0022 AU (329,000 km) which corresponds to 0.9 lunar distances. On 7 July 2015, it passed Earth at 0.00295299 AU (442,000 km), or 1.15 lunar distances. On the following day, it passed the Moon at 0.00276 AU (413,000 km). This was the asteroid's closest approach to Earth until at least 2419.
2015 HM10 is an assumed to be a stony S-type asteroid.
During 2015, two rotational light curves of 2015 HM10 were obtained from photometric observations by Brian Warner at the Palmer Divide Station (U82) in California and by astronomers of the Mission Accessible Near-Earth Objects Survey (MANOS). Lightcurve analysis gave a rotation period of 0.3761 and 0.3763 hours (22.6 minutes) with a brightness amplitude of 1.50 and 1.29 magnitude (U=3/3-), indicative of a non-spheroidal shape. It is among the fastest rotators known to exists.
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2015 HM10
2015 HM10 is an irregular shaped asteroid and sub-kilometer near-Earth object that passed near the Earth on 7 July 2015, at a distance of 442,000 kilometers or 1.15 lunar distances.
First observed on 19 April 2015, by astronomers of the Dark Energy Survey at Cerro Tololo Observatory in Chile, the asteroid measures approximately 60 meters in diameter and is classified as a member of the Apollo and Amor group, respectively. It is a fast rotator with a rotation period of 22.6 minutes.
It was first observed on 19 April 2015, by astronomers of the Dark Energy Survey, using the Dark Energy Camera (DECam, W84) mounted on the Víctor M. Blanco Telescope located at Cerro Tololo Inter-American Observatory in Chile.
2015 HM10 has been classified as a near-Earth object of the Apollo and Amor group, respectively.
It orbits the Sun at a distance of 1.0–4.0 AU once every 4.01 years (1,465 days). Its orbit has an eccentricity of 0.60 and an inclination of 1° with respect to the ecliptic. The body's observation arc begins with a precovery taken at Cerro Tololo, the night prior to its official first observation.
2015 HM10 has an Earth minimum orbital intersection distance of 0.0022 AU (329,000 km) which corresponds to 0.9 lunar distances. On 7 July 2015, it passed Earth at 0.00295299 AU (442,000 km), or 1.15 lunar distances. On the following day, it passed the Moon at 0.00276 AU (413,000 km). This was the asteroid's closest approach to Earth until at least 2419.
2015 HM10 is an assumed to be a stony S-type asteroid.
During 2015, two rotational light curves of 2015 HM10 were obtained from photometric observations by Brian Warner at the Palmer Divide Station (U82) in California and by astronomers of the Mission Accessible Near-Earth Objects Survey (MANOS). Lightcurve analysis gave a rotation period of 0.3761 and 0.3763 hours (22.6 minutes) with a brightness amplitude of 1.50 and 1.29 magnitude (U=3/3-), indicative of a non-spheroidal shape. It is among the fastest rotators known to exists.