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2016 EU85





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2016 EU85 is an asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, approximately 400 meters in diameter. It was first observed on 10 March 2016, by the Pan-STARRS survey at Haleakala Observatory, Hawaii, United States.[1][2]

2016 EU85
Discovery[1][2]
Discovered byPan-STARRS
Discovery siteHaleakala Obs.
Discovery date10 March 2016
(discovery: first observation only)
Designations

MPC designation

2016 EU85

Minor planet category

  • NEO
  • PHA[1]
  • Orbital characteristics[1]
    Epoch 4 September 2017 (JD 2458000.5)
    Uncertainty parameter3
    Observation arc1.42 yr (518 days)
    Aphelion2.7400 AU
    Perihelion0.9561 AU

    Semi-major axis

    1.8480 AU
    Eccentricity0.4826

    Orbital period (sidereal)

    2.51 yr (918 days)

    Mean anomaly

    303.30°

    Mean motion

    0° 23m 32.28s / day
    Inclination2.5966°

    Longitude of ascending node

    359.44°

    Argument of perihelion

    23.527°
    Earth MOID0.0065 AU (2.5 LD)
    Physical characteristics
    Dimensions0.4 km (est. at 0.24)[3]

    Absolute magnitude (H)

    19.2[1]

    Orbit

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    2016 EU85 orbits the Sun at a distance of 1.0–2.7 AU once every 2 years and 6 months (918 days). Its orbit has an eccentricity of 0.48 and an inclination of 3° with respect to the ecliptic.[1] It has an Earth minimum orbital intersection distance of 0.0065 AU (972,000 km) which translates into 2.5 lunar distances.[1]

    Torino scale

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    It is currently rated at level 0[4] after being rated at level 1 on the Torino Scale by the NEODyS system.[5] It was upgraded to level 1 on 25 March 2016 but downgraded on 30 March 2016. On the Sentry system it did not cross the threshold between the two levels, due to a lower computed impact probability. The asteroid is estimated to have a diameter of 440 metres (1,440 ft; 480 yd).[6] The observation arc was then increased to of 78 days.[7]

    When rated at Torino Scale level 1, there was a 0.0012% chance or a 1 in 83,000 chance of the asteroid colliding with the Earth, corresponding to a 99.9988% chance the asteroid will miss the Earth.[8] 2016 EU85 had been observed 14 times[9] at the observatories Mauna Kea (568), Apache Point (705), Pan-STARRS 1 Haleakala (F51) and Magdalena Ridge Observatory (H01).[10]

    2016 EU85 was subsequently removed from the list of possible impactors thanks to prediscovery observations found in the Pan-STARRS archive.

    Observations

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    2016 EU85 was observed with the Spacewatch 1.8-meter telescopes and also the Vatican Advanced Technology Telescope.[11][12]

    See also

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    References

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    1. ^ a b c d e f g "JPL Small-Body Database Browser: (2016 EU85)" (2017-06-14 last obs.). Jet Propulsion Laboratory. Retrieved 2 August 2017.
  • ^ a b "2016 EU85". Minor Planet Center. Retrieved 2 August 2017.
  • ^ "Asteroid Size Estimator". CNEOS/JPL. Retrieved 1 August 2017.
  • ^ "CRT Page". www.hohmanntransfer.com. Archived from the original on 5 October 2007. Retrieved 28 April 2016.
  • ^ "NEODyS". newton.dm.unipi.it. Retrieved 28 April 2016.
  • ^ "2016-03-15 Tracking News". www.hohmanntransfer.com. Retrieved 28 April 2016.
  • ^ http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2016+EU85 [dead link]
  • ^ "Risky Asteroid 2016 EU85 – Astrometrics". The Spaceport V5.5. Retrieved 28 April 2016.
  • ^ Network, Las Cumbres Observatory Global Telescope. "2016 EU85 details | LCOGT NEOx". lcogt.net. Retrieved 28 April 2016.
  • ^ "MPEC 2016-E142: 2016 EU85". www.minorplanetcenter.org. Retrieved 28 April 2016.
  • ^ "2016-03-31 Tracking News". www.hohmanntransfer.com. Archived from the original on 10 April 2016.
  • ^ "2016-04-08 Tracking News". www.hohmanntransfer.com. Archived from the original on 19 November 2018.
  • edit

    Retrieved from "https://en.wikipedia.org/w/index.php?title=2016_EU85&oldid=1163532570"
     



    Last edited on 5 July 2023, at 12:35  





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    This page was last edited on 5 July 2023, at 12:35 (UTC).

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