Asteroid Radar Database
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(2019 UG12)
Classification: APO [NEO]
H:26.4 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2019 Nov Arecibo Arecibo 2380 [A]

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 MPO502136 (heliocentric ecliptic J2000)
Element Value Units
e 0.5741405
a 2.0742635 AU
i 7.29318 deg
om 35.0683 deg
w 49.14653 deg
ma 159.85091 deg
n 0.32991966 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
2016-12-03 03:17:00 0.12045 120.2 0.1
2019-11-01 18:48:00 0.01024 10.2 329.5
2022-10-25 01:28:00 0.06158 61.5 0.8
2025-10-18 04:08:00 0.14238 142.1 0.1
2028-10-11 05:50:00 0.24663 246.1 0.0
2031-10-05 11:44:00 0.34930 348.6 0.0

Link to complete Close-Approach Data on SBDB at JPL