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 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 [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]
MPEC-2020-U52
was invoked but never defined (see the help page).MPC-object
was invoked but never defined (see the help page).NEO-Exchange
was invoked but never defined (see the help page).PseudoMPEC
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).sizemagnitude
was invoked but never defined (see the help page).