Asteroid Radar Database
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4183 Cuno (1959 LM)
Classification: APO [NEO, PHA]
H:14.17 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1998 May Arecibo Arecibo 2380 [A]
2000 Dec 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 0.32 0.02 2008Icar..198..294B Date: 2000T

Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-H69 (heliocentric ecliptic J2000)
Element Value Units
e 0.636044
a 1.9808842 AU
i 6.66939 deg
om 294.35044 deg
w 237.03278 deg
ma 105.18647 deg
n 0.35352118 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
2014-12-08 18:07:00 0.42770 426.8 2.4
2026-04-04 15:19:00 0.27493 274.4 11.2

Link to complete Close-Approach Data on SBDB at JPL