Asteroid Radar Database
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163692 (2003 CY18)
Classification: APO [NEO]
H:18.26 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2005 Jul Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
name symbol value units uncertainty reference notes
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 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
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 0.2 0.05 2008Icar..198..294B Date: 2005T

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-EA9 (heliocentric ecliptic J2000)
Element Value Units
e 0.4104086
a 1.5261947 AU
i 7.2046 deg
om 114.33628 deg
w 180.93438 deg
ma 331.62441 deg
n 0.52274414 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
2020-09-27 07:52:00 0.29667 296.1 2.3
2022-06-01 04:37:00 0.09253 92.3 134.4
2022-10-06 09:35:00 0.49674 495.7 0.4

Link to complete Close-Approach Data on SBDB at JPL