2020 UA

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2020 UA
Discovery [1][2]
Discovered byMount Lemmon Survey
Discovery siteMt. Lemmon Obs.
Discovery date16 October 2020
Designations
MPC designation
2020 UA
C3K1WP2 [3][4]
Minor planet category
NEO · Aten [5]
Orbital characteristics [5]
Epoch 31 May 2020 (JD 2459000.5)
Uncertainty parameter 4
Observation arc4 days
Aphelion1.206 AU
Perihelion0.7537 AU
0.980 AU
Eccentricity0.23093
0.97 yr
133.866°
1° 0m 57.005s / day
Inclination2.762°
27.909°
20 January 2020 05:17 UT [5]
27.909°
Earth MOID0.000204 AU (30,500 km)
Physical characteristics
Mean diameter
5–12 m (assumed albedo 0.05–0.25)[6]
20.8 (at discovery)[1]
Absolute magnitude (H)
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]

References[]

  1. ^ a b "MPEC 2020-U52 : 2020 UA". Minor Planet Electronic Circular. Minor Planet Center. 17 October 2020. Retrieved 19 January 2021.
  2. ^ a b "2020 UA". Minor Planet Center. International Astronomical Union. Retrieved 19 January 2021.
  3. ^ "2020 UA". NEO Exchange. Las Cumbres Observatory. 19 October 2020. Retrieved 19 January 2021.
  4. ^ Gray, Bill (17 October 2020). ""Pseudo-MPEC" for C3K1WP2". Project Pluto. Retrieved 19 January 2021.
  5. ^ a b c d e "JPL Small-Body Database Browser: 2020 UA" (2020-10-20 last obs.). Jet Propulsion Laboratory. Retrieved 19 January 2021.
  6. ^ Bruton, Dan. "Conversion of Absolute Magnitude to Diameter for Minor Planets". Department of Physics, Engineering, and Astronomy. Stephen F. Austin State University. Retrieved 19 January 2021.

External links[]

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