Asteroid Radar Database
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(2019 EA2)
Classification: ATE [NEO]
H:25.8 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2019 Mar Canberra DSS-43 Australian Telescope Compact Array 7159 [DSS43-ATCA]
2019 Mar Canberra DSS-35 Australian Telescope Compact Array 7159 [DSS35-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 MPO477912 (heliocentric ecliptic J2000)
Element Value Units
e 0.1980439
a 0.8416508 AU
i 6.53223 deg
om 0.33826 deg
w 341.91335 deg
ma 30.92617 deg
n 1.27645688 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
2015-03-19 22:58:00 0.01058 10.6 38.0
2019-03-22 01:53:00 0.00205 2.0 0.0
2022-02-08 14:58:00 0.42949 428.6 0.0
2022-08-01 21:37:00 0.32993 329.3 0.0
2025-10-15 04:33:00 0.29932 298.7 0.0
2026-03-26 03:34:00 0.29594 295.4 0.0
2029-02-02 23:58:00 0.14214 141.9 0.0
2029-06-04 23:13:00 0.25170 251.2 0.0
2032-09-02 16:21:00 0.33518 334.5 0.0

Link to complete Close-Approach Data on SBDB at JPL