Asteroid Radar Database
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208023 (1999 AQ10)
Classification: ATE [NEO, PHA]
H:20.52 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2009 Feb Goldstone Goldstone 8560 [G]
2009 Feb 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 MPO695414 (heliocentric ecliptic J2000)
Element Value Units
e 0.2353759
a 0.9339245 AU
i 6.49952 deg
om 326.97011 deg
w 300.5638 deg
ma 174.69786 deg
n 1.09203471 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
2016-10-18 02:44:00 0.13923 139.0 2.2
2017-07-10 18:15:00 0.30071 300.1 0.1
2018-01-31 02:17:00 0.13503 134.8 2.4
2019-02-04 23:09:00 0.44360 442.7 0.0
2025-10-26 04:34:00 0.29647 295.9 0.2
2026-08-09 01:29:00 0.25691 256.4 0.3
2026-12-23 13:13:00 0.19815 197.8 0.6
2027-05-04 02:19:00 0.27595 275.4 0.2
2028-02-11 17:12:00 0.27602 275.5 0.2

Link to complete Close-Approach Data on SBDB at JPL