Minor Planet Radar Database
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141432 (2002 CQ11)
Classification: ATE [NEO, PHA]
H:20 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2003 Jan 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 0.12 0.02 2008Icar..198..294B Date: 2003T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO236908 (heliocentric ecliptic J2000)
Element Value Units
e 0.4280676
a 0.9780359 AU
i 2.46416 deg
om 81.35959 deg
w 272.8196 deg
ma 359.9897 deg
n 1.01899453 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
2010-05-01 14:49:00 0.25612 255.6 0.2
2011-05-18 01:33:00 0.08913 89.0 8.1
2012-05-12 09:24:00 0.10220 102.0 5.0
2013-05-05 00:46:00 0.29029 289.7 0.1
2014-04-27 04:26:00 0.47487 473.9 0.0

Link to complete Close-Approach Data on SBDB at JPL