2020 UA
| Discovery | |
|---|---|
| Discovered by | Mount Lemmon Survey |
| Discovery site | Mt. Lemmon Obs. |
| Discovery date | 16 October 2020 |
| Designations | |
| 2020 UA | |
| C3K1WP2 | |
| NEO · Aten | |
| Orbital characteristics | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter 4 | |
| Observation arc | 4 days |
| Aphelion | 1.206 AU |
| Perihelion | 0.7537 AU |
| 0.980 AU | |
| Eccentricity | 0.23093 |
| 0.97 yr | |
| 133.866° | |
| 1° 0m 57.005s / day | |
| Inclination | 2.762° |
| 27.909° | |
| 20 January 2020 05:17 UT | |
| 27.909° | |
| Earth MOID | 0.000204 AU (30,500 km) |
| Physical characteristics | |
| 5–12 m (assumed albedo 0.05–0.25) | |
| 20.8 (at discovery) | |
| 28.39±0.38 28.43 | |
2020 UA is a tiny near-Earth asteroid around 5–12 metres (16–39 ft) across that passed within 46,100 km (28,600 mi) of Earth on 21 October 2020 at 02:00 UT.