Asteroid Radar Database
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(2013 EC20)
Classification: APO [NEO]
H:29 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2013 Mar 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 2025-11-21 00:00 TT from MPO307060 (heliocentric ecliptic J2000)
Element Value Units
e 0.1209526
a 1.1132051 AU
i 1.30497 deg
om 165.32896 deg
w 33.95159 deg
ma 275.6124 deg
n 0.83915329 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
2020-01-01 03:23:00 0.16202 161.7 0.0
2020-06-09 19:59:00 0.06735 67.2 0.1
2026-11-07 16:57:00 0.24336 242.9 0.0
2027-06-28 13:27:00 0.35070 350.0 0.0
2033-02-09 22:03:00 0.33244 331.8 0.0
2033-09-23 17:54:00 0.23955 239.1 0.0

Link to complete Close-Approach Data on SBDB at JPL