| Discovery [1][2] | |
|---|---|
| Discovered by | Mount Lemmon Survey |
| Discovery site | Mt. Lemmon Obs. |
| Discovery date | 16 October 2020 |
| Designations | |
| 2020 UA | |
| C3K1WP2 [3][4] | |
| NEO · Aten [5] | |
| Orbital characteristics [5] | |
| Epoch 31 May 2020 (JD 2459000.5) | |
| Uncertainty parameter4 | |
| 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 [5] | |
| 27.909° | |
| Earth MOID | 0.000204 AU (30,500 km) |
| Physical characteristics | |
| 5–12 m (assumed albedo 0.05–0.25)[6] | |
| 20.8 (at discovery)[1] | |
| 28.39±0.38[5] 28.43[2] | |
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.[5]
Outer Space
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