Asteroid Radar Database
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506459 (2002 AL14)
Classification: APO [NEO]
H:17.97 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2002 Jul Arecibo Arecibo 2380 [A]

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 E2024-EE4 (heliocentric ecliptic J2000)
Element Value Units
e 0.1261477
a 1.0377384 AU
i 22.99604 deg
om 128.49456 deg
w 226.07279 deg
ma 145.23613 deg
n 0.93233548 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
2020-07-11 02:40:00 0.24148 241.0 1.7
2021-02-18 19:28:00 0.36345 362.7 0.4
2021-08-08 01:11:00 0.12760 127.3 15.5
2022-01-28 05:03:00 0.15158 151.3 8.5
2022-09-18 00:46:00 0.43082 430.0 0.2
2023-01-18 08:28:00 0.25546 255.0 1.4

Link to complete Close-Approach Data on SBDB at JPL