MPC designation (85640) 1998 OX4 Observation arc 3656 days (10.01 yr) Inclination 4.5134807° | Discovery date 26 July 1998 Alternative names MPO 267962 Discovered 26 July 1998 Argument of perihelion 117.10906° | |
Minor planet category Apollo NEO, PHAMars crosser Discovery site Kitt Peak National Observatory Similar (153814) 2001 WN5, (35396) 1997 XF11, 69230 Hermes, (144898) 2004 VD17, (137108) 1999 AN10 | ||
(85640) 1998 OX4, also written 1998 OX4, is an Apollo asteroid and a Mars crosser. It was discovered on July 26, 1998, by the Spacewatch program and subsequently lost. It was re-discovered by the Near-Earth Asteroid Tracking (NEAT) project on August 31, 2002, as 2002 PJ34. It was removed from the Sentry Risk Table on 8 August 2002. 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.
References
(85640) 1998 OX4 Wikipedia(Text) CC BY-SA