(85640) 1998 OX4 (provisional designation 1998 OX4) is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group.

Description

It was discovered on 26 July 1998 by the Spacewatch program and subsequently lost. It was re-discovered by the Near-Earth Asteroid Tracking (NEAT) project on 31 August 2002, as 2002 PJ34. It was removed from the Sentry Risk Table on 8 August 2002.[5] It has a well determined orbit with an observation arc of more than 10 years. It is included in the Minor Planet Center list of Potentially Hazardous Asteroids (PHAs) as it comes to within 0.05 AU of Earth periodically. It is also a Mars crossing asteroid

See also

Notes

  • ^ This is assuming an albedo of 0.25–0.05.

References

  1. ^ a b c "(85640) 1998 OX4". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2085640. Retrieved 7 April 2016.
  2. ^ AstDys-2 on 1998 OX4 Retrieved 2013-03-19
  3. ^ NEODyS-2 on 1998 OX4 Retrieved 2013-03-19
  4. ^ Absolute-magnitude conversion table (H)
  5. ^ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002. Retrieved 1 February 2014.
Preceded by Large NEO Earth close approach
(inside the orbit of the Moon)
22 January 2148 		Succeeded by
2011 LT17
Allikas: https://en.wikipedia.org/wiki/(85640)_1998_OX4
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