Asteroid Radar Database
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(2020 WU5)
Classification: APO [NEO, PHA]
H:18.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2021 Jan Canberra DSS-43 Australian Telescope Compact Array 7159 [DSS43>ATCA]

Radar-Based Physical Properties
                 [edit]
name symbol value units uncertainty reference notes
morphology
number of components N
morphological type
spectrum-based or image-based dimensions
maximum range extent Rmax km
minimum range extent Rmin km
maximum Doppler bandwidth Bmax Hz
minimum Doppler bandwidth Bmin Hz
effective diameter Deff km
quality code for size Q
shape-based dimensions
equivalent diameter Dequ km
extent along principal axis x Ex km
extent along principal axis y Ey km
extent along principal axis z Ez km
DEEVE extent along x Dx km
DEEVE extent along y Dy km
DEEVE extent along z Dz km
surface area A km2
volume V km3
spin
spin period Pspin h
spin rate ω deg/day
YORP acceleration ω̇ deg/day2
spin axis ecliptic longitude λ deg
spin axis ecliptic latitude β deg
reflectivity
radar cross-section OC σOC km2
radar cross-section SC σSC km2
radar cross-section σT km2
projected area Aproj km2
radar albedo OC σ̂OC
radar albedo SC σ̂SC
radar albedo σ̂T
circular polarization ratio μC

Orbital Elements at Epoch 2024-03-31 00:00 TT from MPO750185 (heliocentric ecliptic J2000)
Element Value Units
e 0.1016892
a 1.0585565 AU
i 41.47633 deg
om 112.85132 deg
w 84.5045 deg
ma 268.12448 deg
n 0.9049675 deg/d

Link to complete orbital information at Minor Planet Center

Earth Close-Approach Data (+/- 10 years)
date nominal distance RTT SNR/run at Arecibo
2021-01-13 20:40:00 0.05412 54.0 286.4
2021-07-11 06:04:00 0.15907 158.8 6.8
2022-07-25 08:58:00 0.35703 356.3 0.4
2033-01-11 04:34:00 0.12173 121.5 17.2
2033-07-08 17:37:00 0.27188 271.3 1.1
2034-01-21 09:17:00 0.41007 409.3 0.2

Link to complete Close-Approach Data on SBDB at JPL