Asteroid Radar Database
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(2018 CB)
Classification: APO [NEO]
H:25.9 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2018 Feb Goldstone Goldstone DSS-13 8560 [G-DSS13]
2018 Feb Goldstone Goldstone 8560 [G]

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 2024-03-31 00:00 TT from MPO714528 (heliocentric ecliptic J2000)
Element Value Units
e 0.3200388
a 1.4090521 AU
i 5.28683 deg
om 320.56912 deg
w 208.23193 deg
ma 227.64336 deg
n 0.58926884 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
2018-02-09 22:29:00 0.00047 0.5 0.0
2023-03-08 04:14:00 0.05648 56.4 0.2
2028-04-15 05:03:00 0.08871 88.5 0.1
2032-12-23 12:40:00 0.38577 385.0 0.0
2033-05-04 07:50:00 0.18286 182.5 0.0

Link to complete Close-Approach Data on SBDB at JPL