Minor Planet Radar Database
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234145 (2000 EW70)
Classification: ATE [NEO, PHA]
H:21.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2000 Mar Arecibo Arecibo 2380 [A]
2000 Mar Arecibo Very Long Baseline Array 2380 [A-VLBA]

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 0.15 0.09 2008Icar..198..294B

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO440207 (heliocentric ecliptic J2000)
Element Value Units
e 0.3212579
a 0.9377703 AU
i 5.42747 deg
om 178.05555 deg
w 125.72271 deg
ma 283.30624 deg
n 1.08532389 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
2010-03-23 20:01:00 0.05932 59.2 204.5
2017-11-21 23:06:00 0.08605 85.9 56.4
2018-08-23 16:31:00 0.36043 359.7 0.4
2019-01-31 20:24:00 0.26426 263.7 1.1
2019-06-12 16:53:00 0.34587 345.2 0.4
2020-03-21 13:21:00 0.12518 124.9 15.3
2027-11-20 20:14:00 0.09975 99.5 33.8
2028-08-12 15:27:00 0.37387 373.1 0.3
2029-02-11 16:28:00 0.24698 246.5 1.4
2029-05-29 13:38:00 0.31736 316.7 0.6

Link to complete Close-Approach Data on SBDB at JPL