Asteroid Radar Database
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(2018 LK)
Classification: APO [NEO, PHA]
H:21.75 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2018 Jun Arecibo Arecibo 2380 [A]
2018 Jun 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 MPO600111 (heliocentric ecliptic J2000)
Element Value Units
e 0.316617
a 1.0675933 AU
i 13.93424 deg
om 85.15603 deg
w 279.94376 deg
ma 26.46648 deg
n 0.89350158 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
2018-06-15 20:27:00 0.01959 19.6 169.8
2019-04-20 08:35:00 0.46210 461.2 0.0
2019-10-13 07:14:00 0.32791 327.3 0.0
2020-02-04 08:37:00 0.41050 409.7 0.0
2021-01-06 00:20:00 0.22344 223.0 0.0
2028-05-27 16:27:00 0.44543 444.5 0.0
2029-06-22 17:49:00 0.17866 178.3 0.1
2030-03-29 17:17:00 0.49574 494.8 0.0
2030-11-27 03:06:00 0.22554 225.1 0.0
2032-01-16 04:25:00 0.41677 415.9 0.0

Link to complete Close-Approach Data on SBDB at JPL