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(85770) 1998 UP1
(85770) 1998 UP1 (provisional designation 1998 UP1) is a near Earth, Aten asteroid orbiting at nearly a 1:1 resonance with Earth. OrbitWith an orbital period of 364.3 days, 1998 UP1 is in a near 1:1 orbital resonance with Earth. Although their periods are almost identical, their orbits are very different; 1998 UP1 has a highly eccentric orbit and moves between 0.65–1.35 AU from the Sun, it is also very highly inclined at 33°.[2] The preliminary period of 1998 UP1 was originally thought to be slightly longer than 1 year[1] producing an error in the predicted position of about 35 degrees; it was selected as a priority for recovery and recovered by the Camarillo Observatory on 12 October 1999.[4] 1998 UP1 also makes close approaches to Venus and will pass at a nominal distance of 0.02563 AU (3,830,000 km; 2,380,000 mi) from Venus at 19:13 hours on 24 January 2115.[5] Animation of (85770) 1998 UP1 orbit from 1600 to 2500 _1998_UP1_orbit.gif) Relative to Sun and Earth _1998_UP1_orbit_around_Earth.gif) Around Earth _1998_UP1_orbit_around_Sun.gif) Around Sun Sun · Earth · (85770) 1998 UP1 References
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