Asteroid Radar Database
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(2008 EE5)
Classification: ATE [NEO, PHA]
H:19.71 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2009 Feb 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 E2022-A65 (heliocentric ecliptic J2000)
Element Value Units
e 0.0716096
a 0.9447676 AU
i 44.80925 deg
om 321.26449 deg
w 20.03536 deg
ma 328.09938 deg
n 1.07328873 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
2019-09-07 05:51:00 0.44020 439.3 0.1
2020-02-14 07:20:00 0.14418 143.9 4.1
2020-08-11 02:41:00 0.14051 140.2 4.5
2021-02-02 12:15:00 0.32214 321.5 0.2
2031-02-16 22:41:00 0.25602 255.5 0.6
2031-08-18 09:37:00 0.14840 148.1 3.7
2032-02-05 23:13:00 0.20964 209.2 1.1
2032-07-22 03:10:00 0.41892 418.1 0.1

Link to complete Close-Approach Data on SBDB at JPL