Asteroid Radar Database
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(2019 JE)
Classification: AMO [NEO]
H:26.21 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2019 May 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 MPO704297 (heliocentric ecliptic J2000)
Element Value Units
e 0.5141334
a 2.0898448 AU
i 3.649 deg
om 221.92997 deg
w 1.71927 deg
ma 226.28242 deg
n 0.32623685 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
2016-05-13 13:23:00 0.01626 16.2 86.4
2019-05-05 19:05:00 0.00635 6.3 1281.9
2022-05-11 03:38:00 0.01259 12.6 197.3
2025-06-10 03:43:00 0.11414 113.9 0.1
2028-06-21 02:10:00 0.22519 224.7 0.0
2031-07-01 11:44:00 0.36325 362.5 0.0

Link to complete Close-Approach Data on SBDB at JPL