Discovery[1][2] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 18 October 1998 |
Designations | |
1998 UP1 | |
NEO · Aten | |
Orbital characteristics[2] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 8787 days (24.06 yr) |
Aphelion | 1.3427 AU (200.87 Gm) |
Perihelion | 0.65377 AU (97.803 Gm) |
0.99826 AU (149.338 Gm) | |
Eccentricity | 0.34509 |
1.00 yr (364.30 d) | |
193.86° | |
0° 59m 17.484s / day | |
Inclination | 33.180° |
18.357° | |
234.27° | |
Earth MOID | 0.0833366 AU (12.46698 Gm) |
Physical characteristics | |
210–470 meters[3] | |
20.5[2] | |
(85770) 1998 UP1 (provisional designation 1998 UP1) is a near Earth, Aten asteroid orbiting at nearly a 1:1 resonance with Earth.