Asteroid Radar Database
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385252 (2001 EB18)
Classification: APO [NEO, PHA]
H:19.4 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2002 Aug Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 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
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 0.23 0.05 2008Icar..198..294B Date: 2002T

Orbital Elements at Epoch 2022-01-21 00:00 TT from MPO528349 (heliocentric ecliptic J2000)
Element Value Units
e 0.1836518
a 1.0529211 AU
i 50.06546 deg
om 155.47205 deg
w 101.93 deg
ma 39.3899 deg
n 0.91224258 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
2014-02-22 19:27:00 0.11606 115.8 10.7
2015-03-04 09:56:00 0.35628 355.6 0.2
2015-08-23 10:13:00 0.16808 167.7 2.9
2016-09-09 16:12:00 0.29543 294.8 0.4
2027-02-17 17:16:00 0.29352 292.9 0.4
2028-02-29 09:05:00 0.17538 175.0 2.5
2028-08-15 16:54:00 0.36176 361.0 0.2
2029-09-02 03:49:00 0.10389 103.7 15.7

Link to complete Close-Approach Data on SBDB at JPL