Minor Planet Radar Database
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2062 Aten (1976 AA)
Classification: ATE [NEO]
H:16.8 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1995 Jan Goldstone Goldstone 8510 [G]
2012 Jul Arecibo Arecibo 2380 [A]
2013 Jun Arecibo Arecibo 2380 [A]
2014 Jan Arecibo Arecibo 2380 [A]
2015 Jan 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 0.39 0.06 2008Icar..198..294B Date: 1995T

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO458849 (heliocentric ecliptic J2000)
Element Value Units
e 0.1827762
a 0.9667379 AU
i 18.93371 deg
om 108.55506 deg
w 147.98679 deg
ma 64.71272 deg
n 1.03690978 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
2011-09-13 07:37:00 0.35619 355.5 2.5
2012-08-05 00:23:00 0.21139 211.0 15.7
2012-12-08 22:16:00 0.29761 297.0 4.8
2013-06-26 13:40:00 0.23608 235.6 10.7
2014-01-08 09:56:00 0.14628 146.0 56.7
2014-05-07 19:22:00 0.33520 334.5 3.1
2015-01-23 19:08:00 0.18644 186.1 24.4
2016-01-22 23:15:00 0.44052 439.6 1.2

Link to complete Close-Approach Data on SBDB at JPL