Asteroid Radar Database
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87024 (2000 JS66)
Classification: APO [NEO]
H:18.7 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2004 May 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 0.73 0.08 2008Icar..198..294B Date: 2004T

Orbital Elements at Epoch 2022-01-21 00:00 TT from MPO660785 (heliocentric ecliptic J2000)
Element Value Units
e 0.1898152
a 1.1966931 AU
i 14.43355 deg
om 230.51326 deg
w 84.91988 deg
ma 124.69339 deg
n 0.75288719 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
2017-03-28 05:43:00 0.44103 440.2 0.4
2017-10-26 15:32:00 0.39980 399.0 0.6
2021-05-21 20:53:00 0.14564 145.4 21.0
2021-10-27 12:02:00 0.15312 152.8 17.6
2025-05-17 20:35:00 0.34870 348.0 1.0
2025-12-10 03:45:00 0.40359 402.8 0.6

Link to complete Close-Approach Data on SBDB at JPL