Minor Planet Radar Database
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138127 (2000 EE14)
Classification: ATE [NEO, PHA]
H:17.1 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2007 Mar Arecibo Arecibo 2380 [A]
2008 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 0.45 km 0.15 Based on 2007 obs by JLM
minimum range extent Rmin 0.3 km 0.15
maximum Doppler bandwidth Bmax 7.5 Hz 1
minimum Doppler bandwidth Bmin 7.5 Hz 1
effective diameter Deff 0.75 km 0.3 Most likely radius is 2-3 us (300-450 m) based on 2007 data by JLM.
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 2019-04-27 00:00 TT from MPO469455 (heliocentric ecliptic J2000)
Element Value Units
e 0.5329936
a 0.6618375 AU
i 26.46193 deg
om 155.76456 deg
w 197.83472 deg
ma 15.10088 deg
n 1.83053075 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
2013-03-14 18:11:00 0.46068 459.8 0.1
2014-03-06 21:40:00 0.16594 165.6 5.2
2015-02-27 05:56:00 0.18640 186.0 3.5
2020-03-14 11:08:00 0.46302 462.1 0.1
2021-03-06 20:34:00 0.16810 167.8 5.0
2022-02-26 22:55:00 0.18334 183.0 3.7
2027-03-15 05:10:00 0.46609 465.2 0.1
2028-03-06 20:43:00 0.17102 170.7 4.7
2029-02-26 16:01:00 0.17916 178.8 4.0

Link to complete Close-Approach Data on SBDB at JPL